You are out in public, and a person next to you is incessantly coughing. It is natural to be worried if it is bronchitis and the possibility of you getting infected. Read on to know about the condition and if it is really contagious. Bronchial tubes are the airways in the lungs, and when they are inflamed due to an infection or an underlying medical condition, it results in bronchitis. Bronchitis can be acute or chronic and depending on the cause, may or may not be contagious.

Types of bronchitis
Chronic bronchitis occurs when the airways in the lungs get irritated again and again. Though it s a severe health condition that requires medical attention, it is not as contagious as it occurs due to the exposure to certain chemicals, dust, cigarette smoke or smoke from a fire, air pollutants that irritate the lungs.

On the other hand, acute bronchitis that usually lasts for one to three weeks is considered to be contagious because this particular type of bronchitis happens due to the flu or cold viruses. It is the infectious properties of the viruses causing it that makes it contagious.

Transmission
In the case of acute bronchitis, since it is caused mainly due to viral infections when an infected person coughs, sneezes or talks, the viruses get transmitted to others in the surrounding. Hence it can spread quickly.

Symptoms
Some of the common symptoms of acute bronchitis are a hacking cough, production of excessive mucus, shortness of breath, and feelings of discomfort in the chest. Note that as long as the infection is present, acute bronchitis remains contagious. Once the infection is gone, it is no longer contagious, though, the symptoms, like a persisting cough, may stay for several weeks afterward.

Prevention
Maintaining a healthy hygiene, such as washing hands regularly or keeping the surfaces clean, or using a handkerchief when coughing or sneezing can help in preventing the spread of the infection as well as getting affected with it. Also, taking flu vaccinations and quitting to smoke can also assist in preventing lung infections.

Treatment
For the majority cases of acute bronchitis, the condition is resolved by itself within a few weeks and antibiotics may not be an ideal treatment option if the acute bronchitis is caused by a virus. The most recommended treatment options that can quicken the recovery process are taking rest, opting for prescribed over-the-counter medications, drinking lots of fluids, inhaling the steam of hot water, whether from the shower or a bowl of hot water.

People who have asthma or chronic bronchitis sometimes may develop acute bronchitis as a result of further complications of their present lung conditions and not as a result of virus invasion. Therefore, the chances of such acute bronchitis being contagious are less than those caused by influenza viruses or bacteria.

Thus, acute bronchitis due to a viral infection is more contagious than chronic bronchitis that is due to an underlying medical condition like asthma and other lung diseases. With a few simple and effective measures, such contagious infections can be prevented.

Bronchitis - Can It Be Contagious?

The respiratory system, through which air enters the body, is prone to disorders, and most of them are infections. Micro-organisms thrive in the air around us, and can gain easy access to the system through the air that we inhale. Therefore, respiratory issues are very common, but also not always a cause for concern. Most respiratory disorders would have common symptoms including coughing, chest pain, sputum production with varying features, shortness of breath, wheezing, etc. 

Read on to know the symptoms of common respiratory disorders, so you are equipped to handle them.

Asthma: Asthma is one of the most common respiratory issues. The trigger could be extreme cold, excessive pollen in the air, stress, etc.
Common cold: This is a common disorder of the upper respiratory tract. This could be due to allergy or infection. There is difficulty breathing, labored breathing, runny nose, and extreme lethargy. The throat is also sore and there is a scratchy, itchy feeling at the back of the throat.
Bronchitis: The bronchi are the further branches through which air flows, and these when inflamed cause bronchitis. Often caused as an infection, this produces a cough that can throw up a lot of sputum.
Chronic obstructive pulmonary disease: This often occurs with ageing and also due to smoking. This produces chronic coughing, difficulty to throw out air easily without effort. There could also be phlegm, which can be colorless (unlike an infection)
Tuberculosis: This is a bacterial infection of the lung tissue, and there is shortness of breath, a cough which persists for more than 5 weeks, and greenish-yellowish sputum. The person also would have very low energy levels, and sometimes blood in the sputum too.
Pneumonia: Pneumonia again is an infection of the lung and can be caused by bacteria or virus. This again causes chest pain, difficulty breathing, shortness of breath, and a greenish sputum.
Lung cancer: With smoking and environmental pollution on the rise, the instances of lung cancer have also been on the rise. This is usually diagnosed in the later stages as the symptoms are confused with any common respiratory disorders and ignored. Chest pain, chronic cough, difficulty breathing, and voice changes are some common symptoms of cancer.
Emphysema: Caused predominantly by smoking, this causes breathing difficulties and reduces the amount of air available for exchange in the lungs. There is no cure, but quitting smoking can reduce the severity of the condition.
Know that prolonged problems with respiratory tract require further investigation and should not be ignored as just another attack of cold and cough.

Signs Of Most Common Respiratory Disorders!

Pulmonary Function Tests or PFTs are a set of tests that are used to determine, measure or observe the functioning of the lungs. The most common pulmonary function tests used are spirometry, gas diffusion, and lung plethysmography. 

Highlights of pulmonary function tests

A spirometry test is used to measure the amount of air inhaled and exhaled. It also measures the amount of time taken to complete a respiration cycle.
A lung plethysmography measures the amount of air in the lungs after the patient has taken a deep breath. It also measures the amount of air that remains in the lungs after the patient has exhaled as much air as possible.
What does a Pulmonary Function Test measure?
Pulmonary function tests would not only check how well the person is breathing but also how effectively the lungs are able to conduct oxygen to the rest of the body. In addition to air flow, these tests would measure the size and volume of the lung and lung diffusion.

These tests can also be used to measure

Total Lung Capacity   the amount of air present in the lungs after breathing in deeply
Forced Vital Capacity   the amount of air that can be exhaled after breathing in deeply
Minute Volume   the amount of air exhaled per minute
Vital Capacity   the total volume of air that can be breathed out after inhaling as much as possible
Tidal Volume   the amount of air inhaled or exhaled when breathing normally
Maximum voluntary ventilation   the amount of air that can be inhaled and exhaled in one minute
Functional Residual Capacity   the amount of air that remains in the lungs when breathing normally
Forced Expiratory Flow   the flow or volume of air during an exhalation
Peak Expiratory Flow Rate   the rate at which a person can exhale
When are Pulmonary Function Tests recommended?
A physician might recommend a patient undergo a PFT as part of a routine physical check-up. This test would be advised if the patient is experiencing any symptoms associated with lung problems or disorders such as asthma, respiratory infections, chronic obstructive pulmonary disease, COPD. A doctor would also use these tests to monitor and check whether a certain treatment prescribed for a lung disease or condition is working effectively.

Pulmonary function tests are safe as they are non-invasive but it is important to follow the instructions of the doctor or technician before, after and during the test. It is important to make your doctor aware of any surgeries, respiratory infections, chest pains or heart attacks that you might have experienced before the test. If you are taking any medications you might need to follow the advice of the doctor as to whether you can take them before the test.

Your doctor would also advice you on how to prepare for the test such as not eating a large meal, avoiding caffeine and wearing loose-fitting clothes. If you have any doubts, concerns or queries discuss them with your doctor.

Pulmonary Function Tests - Why Is It Required?

Asthma is a severe respiratory disease, which occurs due to the inflammation of the airways of lungs. The airways of the lungs get swollen due to the inflammation, which cause production of mucus. Due to the effect of excessive mucus and swelling, the air path gets hindered. In such a condition, breathing becomes difficult and a wheezing sound appears at the time of breathing. Usually, the patient coughs very often.

These are the common symptoms of asthma:

Breathlessness
Whistling sound while breathing
Wheezing in chest
Mucus-producing cough
Tightness and heaviness in breathing
Heaviness in chest while running, walking or performing any activity
Recommended homeopathic medicines
Homeopathy is the holistic way of treating asthma. It not only cuts down the inflammation, but also cures the cause of the inflammation. So, treating asthma with homeopathy is safe because the remedies are all natural. Homeopathic medicines do not produce any side effects. There are several homeopathic medicines which are used to treat mild or severe asthma. Here are the five best homeopathic remedies for asthma:

Arsenic album: Arsenic Album is one of the effective homeopathic medicines for the patients who have asthma with anxiety. The patient might encounter symptoms such as intense feeling of restlessness, intense wheezing and coughing, feeling of suffocation while lying down, sudden increase of thirst etc. Usually, patients get relief after consuming warm drinks.
Ipecac: This is one of the wonderful homeopathic medicines for treating asthma with intense vomiting and nausea. The patient might encounter symptoms such as vomiting along with asthma attacks, persistent nausea, intense feeling of mucus in the chest, persistent cough, persistent salivation etc. This medicine is generally prescribed to patients who are a little heavy in weight.
Antim tart: This is the best homeopathic remedy for asthma patients who have a rattling cough. The symptoms also include a feeling of mucus in the chest, sleepiness, tiredness etc. Also, there is usually a burning sensation in the chest and throat, intense cough after eating anything, breathlessness, and hoarseness of the voice. This is more common in older people.
Nux vomica: This is one of the best homeopathic remedies for patients who have asthma with the gastronomic disorder. Symptoms include feeling of fullness around the stomach with asthma attacks, dry cough, sensation in the throat, mood swings etc.
Carbo veg: This is one of the best homeopathic remedies for treating asthma patients with blueness on face. Symptoms include numbness in hands and feet, stomach problem, breathlessness while lying down etc.

Asthma - 5 Homeopathic Remedies That Can Really Do Wonders!

As much as you want to avoid, there are things you have no control over. Lung cancer (Bronchogenic Carcinomas) is one such nemesis that can throw life in shambles. The malignant tumor that originates in the lungs slowly spreads onto the other distinct and vital organs as well. Thought to be mostly affecting men who are chain smokers and into severe tobacco consumption, incidences of lung cancer in women are rising at an alarming rate over the past few years. Non-smokers may also be susceptible (to a lesser extent though) to lung cancer.

Lung cancer can be either

Non-small cell lung cancers: The NSCLC, accounting for ~85% of the lung cancer is one of the most common types of lung cancer affecting people, NSCLC may further be divided into
Adenocarcinoma: This type of NSCLC originates mostly in the peripheral regions of the lungs and may affect (spread) the lymph nodes. Non-smokers and women are mostly at the receiving end (other than the chain smokers).
Squamous Cell Carcinoma: Also known as Epidermoid Carcinoma, often affects men, epidermoid carcinoma may originate in the tissues that line the bronchial tubes. The lymph nodes are often affected by Epidermoid Carcinoma.
Large-cell Undifferentiated Carcinoma: The point of origin of large-cell undifferentiated carcinoma is the surface of the lungs. They have a higher probability of spreading to the lymph nodes.
Bronchioalveolar Carcinoma: Though rare, bronchioalveolar carcinoma originates close to the air sacs.
Small Cell Lung Cancer (SCLC, accounting for ~25% of the lung cancer): As the name suggests, SCLC is marked by the rapid proliferation of small cells into large malignant tumors. SCLC can move throughout the body (affecting vital organs).
Radiotherapy to treat Lung cancer:
Radiotherapy plays a pivotal role in the treatment of lung cancer. The radiation therapy is mainly of two types

External beam radiation therapy (EBRT)
Internal radiation therapy (Brachytherapy)
In external beam radiation therapy, high-energy rays are focused on the cancer cells (thereby resulting in the apoptosis of the cancer cells) externally, from outside the body. EBRT is particularly helpful in case of Non-small cell lung cancers.

The EBRT may be of the following types

3D-CRT (Three-dimensional conformal radiation therapy): An advanced radiation therapy, 3D-CRT accurately marks the position of the cancer cells (using advanced computers). The treatment ensures minimum damage to the other healthy cells and tissues (energy rays are directed at the affected cells from different positions).
SBRT (Stereotactic body radiation therapy): This is a radiation therapy used in the treatment of NSCLC, when it is at a nascent stage.
IMRT (Intensity modulated radiation therapy): As the name suggests, in IMRT, the intensity of the radiation reaching the normal tissues and cells can be modulated. Like 3D-CRT, the radiation in IMRT is directed from different angles (for maximum results).
Internal radiation therapy (Brachytherapy): This type of radiation therapy is generally used to deal with lung cancers that tend to block the airways. In this therapy, the radiation process is carried out through a narrow tube, thereby, shrinking and collapsing the tumor.
The effect, dosage, and duration of radiation therapy depend on the stage and severity of the condition. In some cases, radiation therapy may be given together with chemotherapy.

Radiotherapy - Is It Beneficial For Lung Cancer?

The inflammations of the lining in the bronchial tubes, which are responsible for carrying air from and to your lungs are known as bronchitis. It is a respiratory disease and more than a million cases are reported each year. Bronchitis requires medical diagnosis by your healthcare provider and can be chronic or acute. Cold or other respiratory infections can cause acute bronchitis whereas smoking leads to chronic bronchitis. Acute bronchitis usually lasts for few days but with persistent cough. Whereas, chronic bronchitis can be responsible for chronic obstructive pulmonary disease.

Symptoms of bronchitis:
The symptoms common to both acute and chronic bronchitis are given below:
1. Cough which may form mucus
2. Body aches and breathlessness
3. Headaches, blocked nose and sinuses
4. Fever with chills
5. Wheezing

The diagnosis of bronchitis is done by your doctor who will ask you about your cough. Some other questions may include your medical history, about smoking or whether you have had cases of flu or cold recently.

Treatment for bronchitis:
Your doctor will mainly recommend pain relievers and cough syrup along with warm air to breathe mainly at indoors. However your doctor may prescribe the following medications in cases of severe bronchitis:

1. Cough medicine: These medicines will help to remove mucus and irritants from your lungs. Medicines may not be able to suppress the symptoms completely but will give you relief from pain.
2. Bronchodilators: Which clears out the mucus by opening your bronchial tubes.
3. Mucolytics: These helps loosen mucus in the airways and help to cough up sputum.
4. Oxygen therapy: It will help to improve the oxygen intake when you face difficulty in breathing.
5. Therapy: Pulmonary program will include a therapist who would work to improve your breathing.
6. Medicines: Using anti inflammatory medicines to reduce damage to your lungs tissue and to also avoid chronic inflammation.

Prevention of bronchitis:

Acute and chronic bronchitis can be reduced by the following measures; however, they cannot be completely prevented:
1. Avoiding dust, smoke, and air pollution. You can always wear a mask when you are on the road or in traffic.
2. Washing your hands often to avoid germs and infections.
3. Avoiding smoking as it can cause harmful damage to your lungs.

All About Bronchitis

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