Friday 24 March 2017

What are the Symptoms and Types of Allergies?

At times all human face the different types health problems. Among them some are seasonal or some are chronic diseases that harm people in many ways. Allergies are the common types of health problems which we have to face. Actually allergies are reactions against immune system in some individuals and these are some kinds of proteins and substances. 

When it comes to the mechanism of the allergies, these occur when a person is exposed to allergen. In the beginning or the first time when a person is exposed to the allergens, the person’s body develops some kinds of molecules called antibodies these antibodies work against the invading proteins, and this process or action of the antibodies against the invading proteins is called immune response. But if the body exposed to the allergies again and again, then immune system creates huge amount of antibodies, and as a result breakdown of mast cells occurs. It contains some kind of chemical like histamine and this makes the features of allergies apparent. This entire process is call sensitization which may take different time period according to person to person. The time duration of sensitization can be starting from days to years. In this condition Symptoms can appear according to different kinds of allergies. Some common symptoms of the allergies are listed below:

Common Symptoms of allergy include:
Itching ears, eyes, throat and roof of the mouth
Itching in skin
Sneezing
Shortness of breath
Wheezing
Runny nose and eyes
Pain over the sinuses 
Coughing
Skin rashes 
Nettle rashes or hives
Swelling of the lips or face
Nausea
Vomiting
Abdominal cramps
Diarrhea

Anaphylaxis-The severe stage of allergy

When the patient’s body severe allergic reaction and it becomes a threat to life, the allergy is termed as anaphylaxis or anaphylactic shock.  Anaphylaxis requires urgent emergency management. A patient requires a good treatment so that it can be resolved and the life of the patient can be saved. You can buy allergy medicine online to treat your chronic disease of allergy or you can consult the doctor first.


Types of allergies:
Allergy depending on the severity and possibility of management can be classified into the following types.

Hypersensitivity-Type I: The type first hypersensitivity is known as anaphylactic-type reactions. This type of allergy may be caused because of drugs, pollen, foods and insect stings.

Hypersensitivity-Type II: Type first hypersensitivity involves specific antibodies that are called the Immunoglobulin G (IgG) and IgM. 

Hypersensitivity-Type III: This type of allergy is an Immune complex-mediated reaction. 

Hypersensitivity-Type IV: This type of allergy is called delayed or cell-mediated reactions and these are mediated by special immune cells known as T-cell lymphocytes.