Hay fever, also called allergic rhinitis, causes cold-like symptoms such as a runny nose, congestion, sneezing and sinus pressure. But unlike a cold, hay fever isn't caused by a virus ? it's caused by an allergic response to indoor or outdoor airborne allergens, such as pollen, dust mites or pet dander. Some people have hay fever year-round. For others, hay fever gets worse at certain times of the year, usually in the spring, summer or fall. One of the most common allergic conditions, hay fever affects about one in five people.

It is highly contagious respiratory tract infection caused by a virus, a Paramyxovirus. It is the common cause of death among the young children. It affects respiratory system, skin and eyes. It is common is school going children and in winter and spring.

A healthy cornea ? the transparent, dome-shaped surface of your eye ? is an essential component of sharp, clear vision. It accounts for a large part of your eye's focusing power. Any condition that distorts your cornea or diminishes its transparency can harm your vision ? sometimes severely. One treatment option may be a cornea transplant (keratoplasty).

Bullous pemphigoid is an autoimmune skin disorder producing chronic, pruritic bullous eruptions in elderly patients. Usually on the arms, legs or trunk. Without treatment, bullous pemphigoid may persist, with periods of remission and flare-ups, for many years.

Common cold, ear infection, sore throat, conjunctivitis and stomach flu are the commonest medical conditions that affects the child more commonly leading to missing of school