Hives, also called urticaria are swollen welts or bumps that appear on your skin suddenly.

They itch, burn and sting and can happen anywhere on your body. You can get them on your face, lips, tongue, ears or chest. And in size, they can be as small as an eraser to as large as a plate. They also form plaques and can last for hours or up to several days.

Types

Acute urticaria - These type of hives last less than six weeks. The most common causes are allergies due to certain foods and medications, or infections. These hives can also happen due to diseases or insect bites.
Chronic urticaria - Hives lasting more than six weeks come under this category. What causes them is usually more difficult to identify than what causes acute urticaria. In some cases, chronic hives are caused due to thyroid disease, hepatitis or even cancer. This type can affect your internal organs like lungs, muscles, and the gut. Thus, symptoms include muscle soreness, shortness of breath, vomiting, and diarrhoea.
Physical urticaria - These types are caused due to direct physical stimulation of the skin due to cold, heat, sun exposure, vibration, pressure, sweating, and exercise.
What causes hives?

Hives happen mostly due to allergies. Some of the common hive triggers are-

Certain foods, especially peanuts, eggs, nuts and shellfish- Fresh foods are more likely to cause hives as compared to cooked foods. Certain food additives and preservatives can also play culprits. Medicines like penicillin and sulfa- based antibiotics, aspirin and ibuprofen which are non-steroidal anti-inflammatory medications, high blood pressure drugs like ACE inhibitors, and painkillers such as codeine can also trigger hives. Other things that may cause it are:

Insect bites
Latex
Transfusion of blood
Bacterial infections, including urinary tract infections and infected throat
Viral infections- common cold and hepatitis
Pollen grains
Plants like poison oak and poison ivy
Sunlight
Cold weather
Pet dander 
If you wish to discuss about any specific problem, you can consult a dermatologist.

What Are Hives? What Causes Them?

 Hives , also known as urticaria, is the outbreak of pale red, swollen bumps on the body. It can occur on any part of the body including the face, back, arms or legs. It is a type of hypersensitivity reaction in which the cause for the reaction is idiopathic (unknown). Also, it can come in various shapes and sizes. Hives can be associated with redness, itching, and a burning and stinging sensation. These can last for more than a minute or even more than that; up to days.

What causes hives?
Most of the times, hives are idiopathic, i.e. the reason that causes this type of hypersensitivity reaction is unknown. The bumps are caused by the action of histamine that makes the plasma in the blood leak out of the small blood vessels. Histamine is a substance that is released from a specialized cell and is what causes allergic responses in general. There are three types of hives- namely, acute, chronic urticaria and physical urticaria. Acute urticaria is when the hives last for less than six weeks. Chronic urticaria occurs when the hives last for more than six weeks. 

Physical urticaria refers to the condition when the hives are triggered due to causes such as heat, cold, sun exposure, sweating, pressure and exercise. Although, this condition is mainly idiopathic, there are common causes that may trigger this condition such as:

Foods such as nuts, fish, chocolates, milk and milk products
Environmental triggers such as pollen grains, dust etc
Medications such as ibuprofen or paracetamol
Insect bites
Latex
Blood transfusion
Bacterial infections including strep throat and urinary tract infection
Pet dander
Plants such as poison oak or poison ivy
What are the symptoms of urticaria?
Hives are usually self-diagnosable. The various symptoms of urticaria are:

Swollen red bumps known as weals
The red bumps can occur suddenly and subside all of a sudden as well
 Blanching which is characterized by the whitening of the swollen red part.
They occur on any part of the body and can change shapes, and sizes. It can become larger or it can reduce in size; it can also move around in the body.

Hives - Most Common 9 Reasons Behind It!

One of the most important functions of the skin is protection. During this process, it comes in contact with various substances including chemicals, pollen, dust, and other pollutants. While it does protect the overall body from all these, there is some damage that is inevitably done to the skin through these exposures. Different skin and different bodies react differently to these, and while some may have no reaction, others develop allergies. This is also defined by how strong the person s immunity is.

Hives is one of the most common skin allergy responses. While it is not easy to pinpoint what causes the allergy or the hives, the causative agent can be nailed by observing patterns and excluding out some of the causative agents. There are a set of regular household and surrounding items that could lead to urticaria, and working around these can help pin down the source.

Origin: When the body encounters a foreign body, it produces what are known as histamines. When they are produced, the plasma in the cell leaks out, producing a red and swollen appearance. Hives are red, itchy, raised patches on the skin. They are seen in about 20% of the population. Hives are usually allergic in nature, implying that they occur when there is a foreign substance that induces an allergic reaction. Hives can appear either due to coming in touch with some substance or due to eating some allergy-inducing substance.

Hives can be acute or chronic. Acute is when the hives appear in response to an allergic reaction. These usually disappear in a matter of days to a week at the maximum. In some people, they could be chronic and can last for months together.

Treatment: Given that they are allergic in nature, managing hives includes a combination of immediate treatment as well as preventive measures. While most are topically managed, others might require systemic intervention also.

Once the hives have developed, the following can help in the relief of symptoms and prevent from spreading further. The redness and swelling will take some time to disappear.

Avoid tight-fitting clothes
Use cool compresses on the hives
Avoid warm or hot shower
Stay in a cooler room
Avoid itching the hives
Use topical moisturizer to prevent dryness
Use topical steroid cream to manage the inflammation
Take a systemic antihistamine or an injection of epinephrine if required.
While these help in managing the hives which have occurred, preventing is via the following.

Avoid the source once identified
If the source is not yet known, record when the hives are occurring
Manage stress and see hives appear much less
Increase moisturizer use
Keep an antihistamine handy so you can take it immediately in case of suspected hives. 

Urticaria (Hives) - The Best Way It Can Be Treated!

Urticaria, also known as Hives and Nettle Rash. It is an allergic disorder. It is similar to the rashes that are caused due to touching a nettle plant. This allergic reaction can be caused due to a variety of reasons, thus increasing the difficulty in identifying the exact cause of the allergy. Homeopathic medication has proved to be very efficient in treating urticaria. Some of the best homeopathic remedies include:

1. Apis Mellifica: Described as one of the best solutions to urticaria, this medication is commonly prescribed with regard to treatment. The characterising symptoms of this medication is eruptions accompanied by inflammation and sting. It is similar to the sting of a bee where there is redness and swelling. Exposure to heat in any form is intolerable as the eruption are aggravated. The slightest of touch can cause burning or itching and the patient usually remains thirsty.

2. Dulcamara: This is a medication that is usually prescribed for Urticaria, caused due to cold air or wet weather or dampness. Consumption of sour food or indefinite diet can cause the eruptions. Even though the skin is often dry, there is redness and itching.

3. Natrum Mur: One of the frequently used medicines for urticaria, this medicine is prepared from common salt. It is used in cases where the eruptions are triggered by exposure to the sun, thereby resulting in intense itching. The skin has an oily or greasy feel. Most likely locations of occurrence include margins of hair or bends of joints.

4. Ledum Pal: This medication focuses on the eruptions that occur on the legs and feet. There is a possibility of the infection spreading from the lower to the upper regions at a later stage. Increase in itching can result from the warmth of bed or on scratching. Colder conditions provide a soothing sensation

5. Astacus Fluviatilis: This is an effective medication that be used to treat, both acute and chronic urticarial forms. Rashes are visible on the entire body and are at an increased sensitiveness to air. It is recommended for liver diseases and liver-related symptoms that are accompanied by urticaria.

Best Homeopathic Remedies for Urticaria

If stressed, consuming certain food and medications can trigger skin rashes. This kind of rash is called hives. It is also known as urticaria. Anyone can be affected by hives, at least 20% of people are affected by hives at some time or the other in their lives. The itching could be severe or mild. It starts as a patch of scaly white skin that develops into red welts over time. To make sure the itching does not worsen, scratching, emotional stress, alcoholic drinks and exercise should be avoided.

Symptoms
1. Itchy bumps that are raised and are either red or flesh coloured
2. If the hive is pressed in the middle, the skin whitens this symptom is called blanching.
3. The hive formation can appear anywhere, disappear and then reappear somewhere else.

Common Triggers
1. Certain food like shellfish, eggs, peanuts and other nuts
2. Certain medicines like antibiotics, ibuprofen and aspirin
3. Insect bites or stings
4. Physical causes like pressure, sun exposure, cold, exercise and heat
5. Latex
6. Blood transfusions
7. Bacterial infections
8. Pet allergens
9. Viral infections like the common cold, hepatitis and infectious mononucleosis
10. Certain plants like poison ivy and poison oak
11. Pollen

Treatment
There is no distinct cure for hives. But you can control its symptoms in the following ways:
1. Antihistamines help in blocking histamines, which cause the allergy symptoms. Non sedating or low sedating Antihistamines will be mostly recommended by your doctor.
2. If episodes of hives are several, it may require limited treatment with prednisone. Prednisone will be able to lessen the symptoms.
3. If the symptoms get severe enough so much so that it swells up your tongue and you have problem breathing, then the doctor might prescribe an epinephrine. However, these symptoms can mean another thing, an anaphylaxis shock. Epinephrine is the only treatment for an anaphylaxis shock.

Prevention
If what caused hives to break out is figured out, then measures should be taken to avoid or eliminate the triggers.
1. Avoid eating food items that triggered the symptoms in the first place
2. If harsh soaps, frequent bathing cause hives, they should be avoided
3. Tight clothing should be avoided
4. If cold triggers hives, then wear warm clothing, wrap a scarf and do not swim in cold water.
5. Avoid sun exposure and wear sunblock
6. If a specific medication is causing the hives, inform your doctor.

All About Hives

Hives, or  Urticaria  in medical parlance, is a skin condition characterized by the appearance of itchy swellings on the skin surface. Hives may break out on any part of your body and can be of different sizes. It is not a prolonged condition and generally lasts for a few hours. Urticaria or hives usually occur due to the secretion of certain chemical substances such as  histamine  from underneath the skin surface.

Some of the possible causes of hives are mentioned below:

Overexposure to sunlight
As a side effect of medicines such as aspirin, painkillers or antibiotics.
Insect bites
Any food related allergy may also trigger hives
People allergic to certain chemicals or latex can also develop hives
Sensitivity to temperature or water can cause hives
Infections such as Hepatitis or chronic diseases such as thyroid may result in the occurrence of hives.
Alcohol or caffeine intake can cause chronic urticaria
The most common symptoms of Hives include:

Skin becomes swollen
Frequent itching sensation
Skin inflammation is also common
You may feel a burning sensation
Within a short span of time, it may disappear and then again reappear on different parts of the body
Red and white patches appear all over the skin surface known as  wheals 
Hives generally go untreated as the condition subsides within a few hours. But sometimes, hives can be chronic or acute in nature. If so, it would require treatment as it can give rise to further complications. Some of the treatment methods are given below:

Corticosteroids may be prescribed by the doctor to control the formation of hives and give relief from inflammation.
Antihistamines (drugs which hinder the impacts of histamines; mainly used for curing allergies) are advised to patients with chronic urticaria. It controls the effects caused due to the discharge of histamines.
Knowing and avoiding the trigger conditions may prove to be helpful.
Applying menthol creams can give comfort due to its cooling properties.

Hives - Causes, Symptoms & Treatments

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