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Medical Conditions - Hypersensitivity Reaction

An exaggerated body's immune response to certain allergens causes hypersensitivity reactions. Potential allergens are pollens, bee venom, drugs, food items, etc. Four types of hypersensitivity reactions are anaphylaxis, cytotoxic, immune complex, and delayed reactions. Examples include allergic rhinitis, conjunctivitis, drug-induced hemolytic anemia, contact dermatitis, food allergy, hay fever, angioedema, atopic eczema, erythema, etc.

All hypersensitivity reaction Q&A

Can cardiac medication trigger eczema at age 64?

Hello, Welcome to icliniq.com. I have read your query and understand your concern, and I will definitely help you with it.

Answered By
Dr. Ashraf Ghani

Dr. Ashraf Ghani

How to treat a pimple-like spot on a baby's forehead?

Hi, Welcome to icliniq.com. I have read through your query in detail. Please find my observations below: 1. Pimples in a baby are a common occurrence. Simple remedies might help to prevent recurrence.

Answered By
Dr. Vivek Chail

Dr. Vivek Chail

I have white patches in the throat and a reddened soft palate. Is it oral cancer?

Hello, Welcome to icliniq.com. It is good that you stopped drinking. Meanwhile, I do not find any cancerous lesion in the pictures you sent (attachment removed to protect patient identity).

What causes multiple tiny, itchy bumps on the skin that turn red with scratching?

Hello, Welcome to icliniq.com. I went through your query and understood your concern. It appears to be a hypersensitivity reaction to an itch mite.

Are there any side effects associated with taking Dapsone?

Hello, Welcome to icliniq.com. I understand your concern. Dapsone (antibiotic) works well in Dermatitis herpetiformis. It is the drug of choice for this condition.

What are the possible causes of allodynia?

Hello,Welcome to icliniq.com.Hypersensitivity is caused by the effect on the nerve, which can be due to various reasons. It may be from the spinal cord to the region in the leg.

Why am I experiencing itching after taking a bath, especially on the legs?

Hello, Welcome to icliniq.com. I understand your concern. As per the history provided, the condition may be cholinergic urticaria.

What medicines give long-term asthma relief in young males?

Hello, Welcome to icliniq.com. I read your query and can understand your concern.

Does caffeine cause my persistent nausea and anxiety?

Hello,Welcome to icliniq.com.I read your query and understand your concern.After going through your history, it is very clear that what you described are two totally different issues.

What causes recurrent cough and cold in a toddler?

Hello, Welcome to icliniq.com. I read your query and understand your concern. Your son seems to be suffering from asthma. It is a hypersensitive disorder where the airways are hyper-reactive.

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