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Dr. S A Khan

BUMS

General Physician, Delhi

10 Years Experience  ·  50 at clinic
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Dr. S A Khan BUMS General Physician, Delhi
10 Years Experience  ·  50 at clinic
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Personal Statement

My experience is coupled with genuine concern for my patients. All of my staff is dedicated to your comfort and prompt attention as well....more
My experience is coupled with genuine concern for my patients. All of my staff is dedicated to your comfort and prompt attention as well.
More about Dr. S A Khan
Dr. S A Khan is a trusted General Physician in Gagan Vihar, Delhi. He has over 10 years of experience as a General Physician. He is a qualified BUMS . You can visit him at Khan Clinic in Gagan Vihar, Delhi. Book an appointment online with Dr. S A Khan and consult privately on Lybrate.com.

Lybrate.com has an excellent community of General Physicians in India. You will find General Physicians with more than 28 years of experience on Lybrate.com. You can find General Physicians online in Delhi and from across India. View the profile of medical specialists and their reviews from other patients to make an informed decision.

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Specialty
Education
BUMS - Delhi University, - 2007
Languages spoken
English
Hindi
Professional Memberships
Delhi Bhartiya Chikitsa Parishad

Location

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Khan Clinic

B-58/1,Jagat Puri. Landmark: Opp. Shiv Mandir, DelhiDelhi Get Directions
50 at clinic
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My sperm motility very down. Please suggest. We want baby. I am 24 years old. Urgent need.

DGO, MBBS
Sexologist,
My sperm motility very down. Please suggest. We want baby. I am 24 years old. Urgent need.
You need medicines. Keep away from heat, chemical, smoking zones. Wear loose undergarments and keep your testes cooled by pressing them with wet towel for 5-10 minutes daily. Take vitamins, fruits and vegetables.
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She is having thyroid. N she is taking thyronorm medicine since three years. Sometimes she skips her dose. Is it compulsory to take those medicine everyday?

BHMS
Homeopath, Mumbai
She is having thyroid. N she is taking thyronorm medicine since three years. Sometimes she skips her dose. Is it comp...
HELLO SAUMYA, PLS,,NEVER EVER MISS YOU THYROID MEDICINE DOSE, KEEP YOUR THYROID MEDICINE IN COOL AND DARK PLACE AWAY FROM SUNLIGHT,AS IT MAY REDUCE EFFICACY OF THE MEDICINE. DO T3,T4,,TSH TEST EVERY 3 MONTHS AND REGULARY CONSULT YOUR DOCTOR
4 people found this helpful
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I am suffering from dry cough for the lest 2 weeks and I have chest pain whenever I cough hard. Can you suggest what should be done?

MD - Homeopathy, BHMS
Homeopath, Vadodara
I am suffering from dry cough for the lest 2 weeks and I have chest pain whenever I cough hard. Can you suggest what ...
Hi. The chest pain is long and forceful coughing so once the cough goes the chest pain too should disappear. For cough you may take homoeopathic medicine Drosera 30 tds for 1 day. For further advise you may consult.
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Dear sir I have been masturbating when I was in class sixth standard and I was fully addicted to this till date, I can't control this habit, I use to do this 4 to 5 days a week, please advice me how I can control this habit, is there any medicines available to control this?

MBBS
General Physician, Cuttack
Dear sir I have been masturbating when I was in class sixth standard and I was fully addicted to this till date, I ca...
1.Masturbation is a normal way of relieving sexual tension. 2.It is, not harmful if done in moderation, preferably 2-3 times a week. 3.Excess indulgence may cause physical problem like weakness, tiredness, loss of memory, lack of energy, lack of concentration, loss of facial glow and sexual problem.. 4.Consult sexologist for further advice
3 people found this helpful
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At mid night time after sleeping a clear sticky liquid fluid oozes out of my penis without getting strong erection also I don't masturbate I'm in tense pls help me out.

BHMS, DEMS
Homeopath, Pune
At mid night time after sleeping a clear sticky liquid fluid oozes out of my penis without getting strong erection al...
Hello Lybrate User, This is known as wet dream or nightfall, it is a spontaneous orgasm during sleep that is involuntary ejaculation for a male. Take homeopathic treatment, the aim of homeopathy is not only to treat wet dreams but to address its underlying cause and individual susceptibility. Along with follow this tips to get rid from nightfall - * Relax - make sure you get enough sleep and exercise. Pick up new hobbies to fill your free time with activities and feel relax. * Sleep on your back and wear loose clothes that may reduce the risk of accidental stimulation while you're sleep. * Avoid spicy foods and stimulants. * Avoid overtly sexual stimuli, such as, avoid pornography, sexual programming. * Try a warm bath with essential oils. * Eat foods rich in Vitamins C, E and B12. If you want to take homeopathic treatment and for better results you can consult me on lybrate privately. Take care.
4 people found this helpful
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I am in 12th now. please tell me what diet I should have at dinner time and lunch time?

PDDM, MHA, MBBS
General Physician, Nashik
I am in 12th now. please tell me what diet I should have at dinner time and lunch time?
Breakfast - 1 glass banana milkshake+ 5 khajur+ 5 anjeer, • . mid morning - 2 chikoo • . lunch - 4 chapati + 1 bowl sabji+1 bowl dal++ 1 bowl rice + 1 bowl curd • tea time - tea + 1 pckt parleg • . late evening - 1 bowl roasted chana • dinner same as lunch • . bed time - 1 glass banana milkshake •
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Sir I have headache in upper side and nose pain back side headache ear buzz and runny nose and body ache.

MBBS
General Physician, Cuttack
Sir I have headache in upper side and nose pain back side headache ear buzz and runny nose and body ache.
1.Do steam inhalation by steam inhaler 2-3 times daily with Karvol plus inhalant capsule. 2.Put otrivin nasal drop 1 drop thrice daily 3. Take one tablet of sinarest 2-3 times daily after food 4.Drink plenty of water 5. Take rest 6.If no relief, consult doctor for further advice.
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I am suffering from dark due to excessive masturbation please suggest me something.

Reparenting Technique, BA, BEd
Psychologist, Bangalore
I am suffering from dark due to excessive masturbation please suggest me something.
Masturbation has nothing to do with the skin colour. Masturbation is not really bad; it is the addiction to it that is bad. Not even the number of years is a problem but the frequency and compulsiveness to do it is to be considered for its ill-effects. At your age you may feel it difficult and it can become addictive if you have alone time, if you obsess about it, and if you are not into relationships. The problem with addiction to this is that you may go on to prefer masturbation to heterosexual contact, even when you are married. That obviously would be an insult to your wife and will lead to a lot of conflict. Heterosexual contact is very wholesome and the physiology is made exactly for penile and vaginal contact. You will instead enjoy a poor replica of this and not know or care for the difference. The second thing that can happen with addiction is that it will become compulsive and will have no boundaries or limits, since it can be done all by yourself, whenever, wherever, and however too. The big problem a lot of children get into is the guilt around this. A useful way to discharge the energy is to get into contact games, or exercises, or even hobbies to channelize it. Also you should not spend too much time alone, and you need to keep your mind occupied with other interesting things and a lot of socializing. Even if you are not interested in marriage, for whatever reasons, it will help you to get into a friendship with a girl and enjoy the relationship where there will be a lot of excitement when you fall in love. Right now your hormones may be very active and your physiological apparatus is primed and ready for sexual stimulation. But because of your age and even otherwise it is important to develop good control and not feed into your impulses. Keeping yourself occupied and living a healthy social life are the keys to manage your sexual drives.
10 people found this helpful
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My father suffering from hepatitis b Can you suggest the treatment to be taken or to admit in hospital.

MBBS
General Physician, Cuttack
do liver function test to assess any damage to liver, consult gastroenterologist to start anti viral drugs if it is required
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I have a sore throat and my nose is little blocked sneezes some time I had a little fever causing joints pain I took medicine given by Dr. But that causing acidity and sleeplessness so after four days I quit that and taking paracetamol and benadryl syrups drinking lots of water even though I feel I am not recovered and feel fatigue very soon. So what other helping medicines should I take to overcome this soon thanks.

MBBS
General Physician, Trivandrum
I have a sore throat and my nose is little blocked sneezes some time I had a little fever causing joints pain I took ...
You maybe suffering from allergic rhinitis and pharyngitis. You need to avoid the cause of your allergies and also take anti allergy medications. Please consult for prescription. If you have an infection and have fever you will need to do a course of antibiotics. For now do warm saline gargle and steam inhalation 3 times a day.
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Hello, One of my friend soon he will get marry he wanted to increase sex stamina so please can you tell me each and everything.

M.D (HOMEOPATHY), MBA (Healthcare)
Homeopath, Gulbarga
Hello, One of my friend soon he will get marry he wanted to increase sex stamina so please can you tell me each and e...
Dear patient, most common conditions of sexual activity are pre mature ejaculation, erectyle dysfunction & micro penis (small penis). The main symptom of premature ejaculation is an uncontrolled ejaculation either before or shortly after intercourse begins. And erectile dysfunction, or ed, is the inability to achieve or sustain an erection suitable for sexual intercourse. Common causes include, habits, drug addiction, excess of masturbation during childhood, poor nutriiton, stress, anxiety. Most successful treatments for all the above mentioned 3 problems, include both correction of life style & diet, and proper consumption of homeo medicines till completion of course. 9 out of 10 cases now, responds well to morkoprad energy pills, which are completely natural and safe. Try this formula and revert back with result. Take care.
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I do night shift. Which medicine or supplements I should take so that there is no deficiency in my body due to night shift. Any also suggest me eye drop as I wake whole night.

MBBS
General Physician, Trivandrum
I do night shift. Which medicine or supplements I should take so that there is no deficiency in my body due to night ...
There is no supplement to replace a good nights sleep. Sleep disorders and having too less sleep can affect your immunity and general well being. So try to make up for lost sleep and avoid night shifts for too long. Take omega 3 fatty acid supplements for your well being.
3 people found this helpful
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Hi doctor I am a 30 years old male and have a muscle cramps for last 6 months what should I do.

MBBS
General Physician, Cuttack
Take one capsule of polybion daily,drink plenty of water with little salt, take one tablet of paracetamol 500mg sos after food if there is pain.Check your blood sugar both fasting and Pp.Avoid severe physical and mental exertion .Take adequate rest,7-8 hour sleep is required to remain healthy.If no relief,consult
5 people found this helpful
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I had symptoms of migraine after eating pickles made by mango is migraine is a incurable disease what are another symptoms of migraine.

MBBS, MD - Anaesthesiology, FIPM, Fellowship in palliative medicine, certificate in interventional pain management
Pain Management Specialist, Pune
Migraine attacks are episodes of headache precipitated by some smell, food, situations it is associated with nausea, vomiting, hallucinations. Exposure to sun can also trigger it. You need to take medicines during an attack and also otherwise to prevent attack.
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Before 6 months my wife was having little problem of asthma. My wife suffering from asthma but nowadays when we sex at night then next morning she always get problem of asthma after doing sex at night. Please advise.

C.S.C, D.C.H, M.B.B.S
General Physician,
Before 6 months my wife was having little problem of asthma. My wife suffering from asthma but nowadays when we sex a...
It is due to overexertion in sex but you should not stop. Instead use an inhaler two times a day for asthma.
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I am suffering from urinary tract infection. Please suggest me some antibiotics for this problem.

MD - Homeopathy, BHMS
Homeopath, Palakkad
I am suffering from urinary tract infection. Please suggest me some antibiotics for this problem.
Urinary tract infection can completely cured with homoeopathic medicines within 1 to 3 days. No side effects in homoeopathic medicines. 100% rapid and effective results. Medicines like apis, cantharis are very effective for uti.
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My digestive system is very poor. Usually I got acidity and then migraine. Please suggest.

Bachelor of Unani Medicine and Surgery (B.U.M.S)
General Physician, Delhi
My digestive system is very poor. Usually I got acidity and then migraine. Please suggest.
Always use green vegetables in food avoid fatty and fry, spicy food always use oat, boil potato Double toned milk take a text consult appointment for treatment.
2 people found this helpful
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What are the symptoms of the malaria fever. Is it periodic fevers? How can it be detected and cured.

BHMS
Homeopath, Kolkata
What are the symptoms of the malaria fever. Is it periodic fevers? How can it be detected and cured.
Yes the fever comes periodically. Symptoms you will have severe chill for 5 mins to1 hour followed by high rise of temperature even upto 106 degree F for 2-6 hours which is followed by profuse sweating for 2-4 hours. Apart from this you wil have vomiting, headache,bodyache, weakness and vertigo.
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I am 7wk pregnant. In my 1st sonograme report 1sac 2 poles are seen what it means?

C.S.C, D.C.H, M.B.B.S
General Physician,
I am 7wk pregnant. In my 1st sonograme report 1sac 2 poles are seen what it means?
One sac means single pregnancy and poles amy refer to another gestation which may or not have grown. You need to repeat and confirm
1 person found this helpful
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Know About Tuberculosis

MD(Am)
General Physician, Secunderabad

Definition

Tb is a disease which in humans is usually caused by bacteria called mycobacterium tuberculosis (m. Tuberculosis). Tb is an abbreviation of the word tuberculosis and is how people often refer to the disease.

Bovine tb is a disease caused by similar bacteria called mycobacterium bovis (m. Bovis). Bovine tb mainly affects cattle but can also affect humans.

Just a few years ago it was believed that tb was an old disease, and that it was no longer a problem in humans. But now because of such issues as drug resistance and hiv, it has become a major problem again.

History

  • On march 24, 1882, Dr. Robert koch announced the discovery of mycobacterium tuberculosis, the bacteria that cause tuberculosis (tb). During this time, tb killed one out of every seven people living in the united states and europe. Dr. Koch’s discovery was the most important step taken toward the control and elimination of this deadly disease.
  • In 1982, a century after Dr. Koch’s announcement, the first world tb day was sponsored by the world health organization (who) and the international union against tuberculosis and lung disease (iuatld). The event was intended to educate the public about the devastating health and economic consequences of tb, its effect on developing countries, and its continued tragic impact on global health.
  • Today, world tb day is commemorated across the globe with activities as diverse as the locations in which they are held. But more can be done to raise awareness about the effects of tb. Among infectious diseases, tb is now the leading killer of adults in the world, with 1.8 million tb-related deaths in 2015. In the united states, the overall number of tb cases increased over the previous year in 2015 after having declined yearly during 1993–2014.
  • Until tb is eliminated, world tb day won’t be a celebration. But it is a valuable opportunity to educate the public about the devastation tb can spread and how it can be stopped.

Epidemiology

Globally, more than 1 in 3 individuals is infected with tb. According to the who, there were 8.8 million incident cases of tb worldwide in 2010, with 1.1 million deaths from tb among hiv-negative persons and an additional 0.35 million deaths from hiv-associated tb. In 2009, almost 10 million children were orphaned as a result of parental deaths caused by tb.

Overall, the who noted the following:

  • The absolute number of tb cases has been falling since 2006 (rather than rising slowly, as indicated in previous global reports)
  • Tb incidence rates have been falling since 2002 (2 years earlier than previously suggested)
  • Estimates of the number of deaths from tb each year have been revised downwards
  • The 5 countries with the highest number of incident cases in 2010 were india, china, south africa, indonesia, and pakistan. India alone accounted for an estimated 26% of all tb cases worldwide, and china and india together accounted for 38%.

Types

1. Active tb

Active tb is an illness in which the tb bacteria are rapidly multiplying and invading different organs of the body. The typical symptoms of active tb variably include cough, phlegm, chest pain, weakness, weight loss, fever, chills and sweating at night. A person with active pulmonary tb disease may spread tb to others by airborne transmission of infectious particles coughed into the air.

If you are diagnosed with an active tb disease, be prepared to give a careful, detailed history of every person with whom you have had contact. Since the active form may be contagious, these people will need to be tested, as well.

Multi-drug treatment is employed to treat active tb disease. Depending on state or local public health regulations, you may be asked to take your antibiotics under the supervision of your physician or other healthcare professional. This program is called “directly observed therapy” and is designed to prevent abandonment or erratic treatment, which may result in “failure” with continued risk of transmission or acquired resistance of the bacteria to the medications, including the infamous multi-drug resistant tb (mdr-tb).

2. Miliary tb

Miliary tb is a rare form of active disease that occurs when tb bacteria find their way into the bloodstream. In this form, the bacteria quickly spread all over the body in tiny nodules and affect multiple organs at once. This form of tb can be rapidly fatal.

Types of tb

1. Cavitary tb

Cavitary tb involves the upper lobes of the lung. The bacteria cause progressive lung destruction by forming cavities, or enlarged air spaces. This type of tb occurs in reactivation disease. The upper lobes of the lung are affected because they are highly oxygenated (an environment in which m. Tuberculosis thrives). Cavitary tb can, rarely, occur soon after primary infection.

Symptoms include productive cough, night sweats, fever, weight loss, and weakness. There may be hemoptysis (coughing up blood). Patients with cavitary tb are highly contagious. Occasionally, disease spreads into the pleural space and causes tb empyema (pus in the pleural fluid).

2. Latent tb infection

Latent tb occurs when a person has the tb bacteria within their body, but the bacteria are present in very small numbers. They are kept under control by the body’s immune system and do not cause any symptoms.

People with latent tb do not feel sick and are not infectious. They cannot pass the bacteria on to other people. In addition they will usually have a normal chest x-ray and a negative sputum test. It is often only known that someone has latent tb because they have had a test, such as the tb skin test.

Risk factors

You are at risk of tb infection if you are around people with active tb disease who are coughing, which releases bacteria into the air. The risk of infection increases for intravenous drug users, healthcare workers, and people who live or work in a homeless shelter, migrant farm camp, prison or jail, or nursing home.

Most people who are infected with the bacteria that cause tb do not develop active disease. The following factors increase the risk that latent disease will develop into active disease:

  • Infection with hiv, the virus that causes aids and weakens the immune system
  • Diabetes mellitus
  • Low body weight
  • Head or neck cancer, leukemia, or hodgkin’s disease
  • Some medical treatments, including corticosteroids or certain medications used for autoimmune or vasculitic diseases such as rheumatoid arthritis or lupus, which suppress the immune system.
  • Silicosis, a respiratory condition caused by inhaling silica dust.

Causes

The mycobacterium tuberculosis bacterium causes tb. It is spread through the air when a person with tb (whose lungs are affected) coughs, sneezes, spits, laughs, or talks.

Causes of tuberculosis

  • Tb is contagious, but it is not easy to catch. The chances of catching tb from someone you live or work with are much higher than from a stranger. Most people with active tb who have received appropriate treatment for at least 2 weeks are no longer contagious.
  • Since antibiotics began to be used to fight tb, some strains have become resistant to drugs. Multidrug-resistant tb (mdr-tb) arises when an antibiotic fails to kill all of the bacteria, with the surviving bacteria developing resistance to that antibiotic and often others at the same time.
  • Mdr-tb is treatable and curable only with the use of very specific anti-tb drugs, which are often limited or not readily available. In 2012, around 450, 000 people developed mdr-tb.

Symptoms

Although tuberculosis (tb) is most frequently associated with symptoms involving the lungs—because the disease most often affects the lungs—it can affect any organ of the body. The disease can cause a variety of symptoms. If you have symptoms, your doctor will want to know when they began.

People with latent tb infection (an infection without active disease) have no symptoms.

The usual symptoms of tb include:

  • Fever
  • Chills
  • Night sweats
  • Cough
  • Loss of appetite
  • Weight loss
  • Blood in the sputum (phlegm)
  • Loss of energy

The symptoms may be mild and may not seem particularly worrisome to the patient. In other people, the symptoms become chronic and severe.

Other symptoms of active tb disease depend on where in the body the bacteria are growing. If active tb disease is in the lungs (pulmonary tb), the symptoms may include a bad cough, pain in the chest, and coughing up blood. If active tb is outside the lungs (for example, the kidney, spine, brain, or lymph nodes), it is called extrapulmonary tb and has other symptoms, depending on which organs are affected. For example, tuberculosis in the spine may cause back pain or stiffness.

Diagnosis and test

  • During the physical exam, your doctor will check your lymph nodes for swelling and use a stethoscope to listen carefully to the sounds your lungs make while you breathe.
  • The most commonly used diagnostic tool for tuberculosis is a simple skin test, though blood tests are becoming more commonplace. A small amount of a substance called ppd tuberculin is injected just below the skin of your inside forearm. You should feel only a slight needle prick.
  • Within 48 to 72 hours, a health care professional will check your arm for swelling at the injection site. A hard, raised red bump means you’re likely to have tb infection. The size of the bump determines whether the test results are significant.
  • If your gp suspects you may have tb, they will send you for testing. If you do have tb, it’s best to know as soon as possible. Delaying treatment makes it more likely you may develop long-term health problems and could put people close to you at risk.

Types of tb test

There are a range of tests to show if you have tb, such as a sputum test, a culture test and x-rays.

Chest x-ray

A chest x-ray can show damage in your lungs, but you might need further tests to prove you have tb, such as sputum and culture tests or scans.

Testing sputum

A lab will use a microscope to look at any sputum (phlegm) that you cough up. If there are tb germs in your sputum, you have tuberculosis of the lungs or throat (pulmonary tb). This test also helps doctors to understand how infectious you may be.

Biopsy

If it is thought that you have tb, but not in your lungs or throat, the doctor may take a biopsy to test for tb. This is a small sample of tissue or fluid taken from the area where the tb is thought to be.

Culture test

This test uses your sputum or tissue sample to grow any tb bacteria that may be there. It tells doctors how infectious you are and also whether your tb is resistant to any antibiotics. This helps ensure they put you on a combination of drugs that will cure you. As tb culture grows slowly, it may take up to eight weeks to get some of the results.

Treatment and medications

Treatment for active tb

If you have this form of the disease, you’ll need to take a number of antibiotics for 6 to 9 months. These four medications are most commonly used to treat it:

  • Ethambutol
  • Isoniazid
  • Pyrazinamide
  • Rifampin

Your doctor may order a test that shows which antibiotics will kill the tb strain. Based on the results, you’ll take three or four medications for 2 months. Afterward, you’ll take two medications for 4 to 7 months.

You’ll probably start to feel better after a few weeks of treatment. But only a doctor can tell you if you’re still contagious. If you’re not, you may be able to go back to your daily routine.

Treatment of latent tb

The treatment of latent tb is considered by many people to be an important part of tb prevention.

It is not recommended that everyone with latent tb infection (ltbi) should have tb treatment. Rather it is recommended that certain “target” groups should receive treatment. The main “target” groups considered by the world health organisation (who) to be most at risk from progressing from latent to active tb include people in low tb burden countries:

  • Who have had recent contact with an infectious patient;
  • With silicosis (there is more about tb & mining);
  • Infected with both tb and hiv;
  • Who have been or who are in prison;
  • Who are immigrants to a low burden country from a high burden country;
  • Who are homeless;
  • Who are an illicit drug user;

Who have certain clinical conditions, or conditions which compromise their immune system, such as people with diabetes, and people with chronic renal failure.

In high tb burden countries the populations that are most strongly recommended for the treatment of latent tb infection are people living with hiv, and children under five who are household contacts of pulmonary tb cases.

Treatment for miliary tb

  • Antibiotics
  • Corticosteroids
  • Sometimes surgery
  • Generally, treatment of miliary tuberculosis is similar to thetreatment of pulmonary tuberculosis.
  • Antibiotics are given usually given for 6 to 9 months, unless the meninges are affected. Then antibiotics are given for 9 to 12 months.
  • Corticosteroids may help if the pericardium or meninges are affected.
  • Tuberculosis bacteria can easily develop resistance to antibiotics, particularly when people do not take the drugs regularly or for as long as they are supposed to.
  • Surgery is needed for some complications of military tuberculosis.

Prevention

If you test positive for latent tb infection, your doctor may advise you to take medications to reduce your risk of developing active tuberculosis. The only type of tuberculosis that is contagious is the active variety, when it affects the lungs. So if you can prevent your latent tuberculosis from becoming active, you won’t transmit tuberculosis to anyone else.

Protect your family and friends

  • If you have active tb, keep your germs to yourself. It generally takes a few weeks of treatment with tb medications before you’re not contagious anymore. Follow these tips to help keep your friends and family from getting sick:
  • Stay home. Don’t go to work or school or sleep in a room with other people during the first few weeks of treatment for active tuberculosis.
  • Ventilate the room. Tuberculosis germs spread more easily in small closed spaces where air doesn’t move. If it’s not too cold outdoors, open the windows and use a fan to blow indoor air outside.
  • Cover your mouth. Use a tissue to cover your mouth anytime you laugh, sneeze or cough. Put the dirty tissue in a bag, seal it and throw it away.
  • Wear a mask. Wearing a surgical mask when you’re around other people during the first three weeks of treatment may help lessen the risk of transmission.
  • Finish your entire course of medication
  • This is the most important step you can take to protect yourself and others from tuberculosis. When you stop treatment early or skip doses, tb bacteria have a chance to develop mutations that allow them to survive the most potent tb drugs. The resulting drug-resistant strains are much more deadly and difficult to treat.

Vaccinations

In countries where tuberculosis is more common, infants often are vaccinated with bacillus calmette-guerin (bcg) vaccine because it can prevent severe tuberculosis in children. The bcg vaccine isn’t recommended for general use in the united states because it isn’t very effective in adults. Dozens of new tb vaccines are in various stages of development and testing.

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