Health Information Library

A blood clot that forms on and remains attached to the inside wall of a blood vessel or the heart.

Swelling and irritation of a vein.

Swelling and irritation of a vein due to a blood clot, often in the legs.

Learn about different tick species and some of the diseases they may carry.

A significant loss of body fluid that impairs normal body functions.

Pain and irritation of the ball of the foot.

Here's what to expect when you meet your baby for the first time.

A bony bump that forms on the joint at the base of the big toe.

Widespread pain along with symptoms such as fatigue.

A lack of iodine in the diet.

An infection of the tissue folds around the nails.

Sweating from sweat glands, often in response to heat, exercise, or stress.

Odor caused by the mix of sweat and bacteria on the skin.

A condition in which too much acid builds up in the body.

Welts on the skin triggered by a response to food, medicine, or other irritants.

Painless swelling under the skin, triggered by an allergy to animal dander, pollen, drugs, venom, food, or medicine.

Intense itching, inflammation, burning or soreness in or around the anus.

Thickened layers of skin, often on the hands or feet.

A loss of typical function of the ovaries before age 40.

Small bump on the skin that sometimes hurts.