Hay fever, also known as allergic rhinitis, is the fifth most common allergies to affect people in the United States. It can be either seasonal or perennial. Seasonal hay fever is caused during the time of the year when it the season of pollination for specific plants. Perennial hay fever can occur at any time of the year.

Blepharitis is an inflammation that causes a burning sensation and itchiness in the eyelids. The causes of blepharitis include allergies, infections, insect bites and more. An individual who suffers from blepharitis tends to feel irritation in the eyes that is commonly accompanied with swelling crusting of the eyelids. While the causes of blepharitis cannot be controlled, maintaining the right kind of hygiene is essential.

The immune system works as a superpower, keeping you protected from diseases or illnesses that can meddle with the well-being of your body. And if you ever wondered why you did not catch a cold after your co-worker sneezed around you? The answer is the immune system. It gives you immunity to protect yourself from viruses and bacteria that are present in the environment.

Epiphora is a term given to the condition when there is an involuntary overflow of tears without any possible reason. This medical condition is typically referred to as watery eyes and it usually occurs in infants, children under two years of age, and seniors over the age of 60. However, it may happen at any age and may be triggered by infections, allergies, and the like.

A stye, also called as hordeolum is a small painful lump that forms inside or outside the eyelid. It is actually abscess that is filled with pus. Stye is caused due to bacterial infection called staphylococcus, which is a kind of bacterial infection. Stye are one of the common eye infection.

What is the normal body temperature in babies and adults? There are several factors which may influence the temperature of your body. It is of no surprise then that you may have a fever, sometimes at a lower temperature, while at other times you may have a fever at a higher temperature.