Find answers to your health-related questions in our health encyclopedia.

  • Symptoms

    Face pain

    Face pain may be dull and throbbing or an intense, stabbing discomfort in the face or forehead. It can occur in one or both sides.

  • Poison

    Face powder poisoning

    Face powder poisoning occurs when someone swallows or breathes in this substance. This article is for information only. DO NOT use it to treat or manage an...

  • Surgery


    A facelift is a surgical procedure to repair sagging, drooping, and wrinkled skin of the face and neck.

  • Disease

    Facial nerve palsy due to birth trauma

    Facial nerve palsy due to birth trauma is the loss of controllable (voluntary) muscle movement in an infant’s face due to pressure on the facial nerve in the...

  • Symptoms

    Facial paralysis

    Drooping of the eyelid is called ptosis.  Ptosis may result from damage to the nerve that controls the muscles of the eyelid, problems with the muscle strength (as in myasthenia gravis), or from swelling of the lid.

    Facial paralysis occurs when a person is no longer able to move some or all of the muscles on one side of the face.

  • Symptoms

    Facial swelling

    This person has noticeable swelling (edema) of the face.

    Facial swelling is the buildup of fluid in the tissues of the face. Swelling may also affect the neck and upper arms.

  • Disease

    Facial tics

    A facial tic is a repeated spasm, often involving the eyes and muscles of the face.

  • Disease

    Facial trauma

    Facial trauma is an injury of the face. It may include the facial bones such as the upper jaw bone (maxilla).

  • Disease

    Facioscapulohumeral muscular dystrophy

    Superficial muscles are close to the surface of the skin. Muscles which lie closer to bone or internal organs are called deep muscles.

    Facioscapulohumeral muscular dystrophy is muscle weakness and loss of muscle tissue that gets worse over time.

  • Disease

    Factitious hyperthyroidism

    The thyroid gland, a part of the endocrine (hormone) system, plays a major role in regulating the body's metabolism.

    Factitious hyperthyroidism is higher-than-normal thyroid hormone levels in the blood that occur from taking too much thyroid hormone medicine.