Depending on the underlying cause, infection blisters can vary in size, be painful or itchy, and may be contagious. Allergic blisters are fluid-filled bumps that can form on the skin as part of an ...

A mosquito bite may turn into a fluid-filled blister in some cases. If you also notice symptoms of infection or an allergic reaction, you should contact a doctor for advice on treatments.

Medically reviewed by Jurairat J. Molina, MD Essential oils are highly concentrated oils made from plant extracts. They are ...

Allergic reactions to insect bites do not normally ... Sand fly bites can be painful and itchy with discolored bumps and blisters. Some people may experience ulceration. The fly can also transmit ...