Rohit ate some shellfish for lunch after which he got rashes on his hands as shown in the picture. What is the reson for this?
Allergy
Allergies, also known as allergic diseases, are a number of conditions caused by hypersensitivity of the immune system to typically harmless substances in the environment. These include hay fever, food allergies, and allergic asthma. Symptoms may include red eyes, an itchy rash, sneezing, or a runny nose.