Fish sensitivity

 

 

 

A number of people suffer from fish allergy after eating or touching it. What are the causes and symptoms? How can it be treated?

 

Fish is a valuable nutritional source rich in essential amino acids, trans fatty acids and fat soluble vitamins, but fish is a common cause of severe allergies.

 

 

Causes of fish allergy

 

 Allergy occurs as a result of an abnormal immune response to allergens that are not harmful, and these substances are known as allergen, and therefore the fish's sensitivity is mainly because it contains a protein called parvalbumin that stimulates this immune response.

 

This protein differs slightly between different types of fish, which means that exposure to an allergy to a certain type of fish may cause allergies to other species as well.

This protein is very heat-tolerant, so it is not easily broken down even after being cooked for several hours. If a person suffers from fish sensitivity, his immune system will begin to secrete a substance called IgE when exposed to this protein after eating fish, which leads to The release of histamine from mast cells and other blood cells in the bloodstream.

 

The primary function of histamine is to expand the blood vessels, so that the larger immune cells can reach the place of infection or infection, but in this case there is no infection or infection, so the secretion of histamine can lead to symptoms appearing on the skin, respiratory system, and digestive system This is known as an allergic reaction.

 

 

Symptoms of fish allergy

 

 Every time a person with allergies to fish eats or sometimes just touches or inhales vapor when cooked, his body will produce histamine that causes many symptoms, ranging in severity from mild to severe, and include the following:

 

Wheezing and difficulty breathing.

cough.

Hoarseness.

Narrow throat.

Abdominal pain.

Diarrhea.

vomiting.

Tears, itchy eyes and swelling.

Red spots.

swelling.

A drop in blood pressure, causing dizziness or loss of consciousness (coma).

Hives or rash.

nausea.

Indigestion and stomach pain.

Stuffy or runny nose

Sneezing.

Headache.

Anaphylaxis or anaphylaxis, which is a less common reaction that can threaten life, weaken breathing and may cause shock to the body.

 

 

Fish allergy treatment

 

Since parvalbumin protein is found in varying amounts in different types of fish, it may be best to avoid all fish nutritional forms from your diet if you are allergic to fish, including any sauces, spices, or ready-to-eat foods that contain the fish or its by-products.

And if your allergy symptoms are mild, you can often treat them with an over-the-counter oral antihistamine, and if you run the risk of severe allergies, it may be advisable to carry a pre-filled epinephrine syringe for single use, which will be injected into the groin in an emergency .