When a patient immune system becomes reactive to a drug, this is an example of ;

When a patient immune system becomes reactive to a drug, this is an example of ;

جب مریض کا مدافعتی نظام کسی دوا کے لیے ردِ عمل اختیار کر لیتا ہے، تو یہ کس کی ایک مثال ہے؛
Explanation

An allergy is an immune system response to a foreign substance that's not typically harmful to your body.

These foreign substances are called allergens.

They can include certain foods, pollen, or pet dander. Your immune system's job is to keep you healthy by fighting