Posted by admin | August - 6 - 2017 | 0 Comment

Allergic rashes are immune responses to certain substances that often not harmful. The body immune system is responsible for the body defense against viruses and bacteria. There areĀ vasayo reviews that show when the body defends against substances that are not a threat to the body. Such substances are called allergens.

An allergic reaction occurs when the body defends against allergens thus resulting so allergic rashes. These allergens could be inhaled, eaten or may come into contact with the skin.

Causes of allergic rashes

It could be difficult outlining the exact cause of these rashes in some cases. In some cases, the reactions could be within the family- it is inherited. The risk of experiencing such conditions is known to increase in those with close family members who have ever had allergies.

There are substances that could cause allergic rashes. In most cases, people who experience allergies have allergic reactions to one or more of the following:

  • Pollen
  • Pet dander
  • Certain plants
  • Stings or bites from some insects such as bees
  • Use of certain medications such as aspirin or penicillin
  • Taking some foods such as shellfish or nuts

Signs and symptoms

Allergic rashes come in various symptoms varying from mild to severe. Exposure to an allergen for the first time may cause mild symptoms. However, these signs could get worse over repeated exposure to allergens.

Mild allergic reactions could present in the following symptoms:

  • Itching
  • Hives
  • Mild rashes
  • Itchy or watery eyes
  • Nasal congestion

In other cases, one may experience various severe symptoms of allergic rashes. These may include:

  • Unconsciousness
  • Wheezing
  • Diarrhea
  • Difficulties when swallowing
  • Dizziness
  • Problems while breathing
  • General body weakness
  • Swelling of the tongue, face, or eyes
  • Vomiting or nausea
  • Flushing of the face
  • Anxiety or fear
  • Heart palpitations
  • Chest pain or tightness
  • Pain or cramps in the abdomen

Warning: some people may experience serious allergic reactions within few seconds of exposure to the allergens. This causes life-threatening symptoms such as airway swelling, breathe shortness as well as sudden decline in the blood pressure. This is known as anaphylaxis. The condition requires immediate medical attention as it can even lead to death within a short time.

Diagnosis

Your healthcare provider will perform a number of examinations while asking various questions regarding your medical history. Diagnosis entails asking questions about any substances that could be causing such reactions. The following tests could also be advised to establish the cause and extent of reactions causing the allergic rashes:

  • Blood tests
  • Skin tests
  • Tests to eliminate the causes

Skin test involves applying some suspected allergen on the skin to watch out for the reactions. This is useful in diagnosing penicillin allergy, food allergy, pollen and animal dander allergy, venom and contact dermatitis allergies.

Challenge test is reliable for the diagnosis of food allergies. This involves removing eliminating the food from your diet for duration to watch out for any symptoms.

A blood test checks on the blood for antibodies against a possible allergen thus useful when skin tests do not work.

 

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