A
Abdominal pain
Abdominal pain is pain that you feel anywhere between your chest and groin. This is often referred to as the stomach region or belly.
The esophagus, stomach, large and small intestine, a
Abscess
Overview
An abscess is an infection characterized by a collection of pus underneath a portion of the skin. Bacteria commonly causing abscesses are Staphylococcus aureus and St
Acne
What is acne?
Acne is a skin problem that occurs when the hair follicles of your skin are blocked by a mix of dead skin cells and sebum (oil). When this happens, bacteria can grow in the plugged hai
Acoustic neuroma
An acoustic neuroma is a slow-growing tumor of the nerve that connects the ear to the brain. This nerve is called the vestibular cochlear nerve. It is behind the ear right under the brain. An ac
Adenocarcinoma
Cancer that begins in glandular (secretory) cells. Glandular cells are found in tissue that lines certain internal organs and makes and releases substances in the body, such as mucus, digestive juice
Adhesive capsulitis
What is adhesive capsulitis?
Adhesive capsulitis is when you lose the ability to move your shoulder around in all directions without pain. Doctors sometimes refer to this problem as "fr
Agammaglobulinemia
Contents
Causes
Symptoms
Exams and Tests
Treatment
Outlook (Prognosis)
Possible Complications
When to Contact a Medical Professional
Prevention
Agammaglobulinemia is an inherited diso
Alcohol use disorder
Alcohol use disorder (which includes a level that's sometimes called alcoholism) is a pattern of alcohol use that involves problems controlling your drinking, being preoccupied with alcohol, cont
Allergic reaction: first aid
Below is information about first aid that is required if you noticed allergic reaction.
For a mild to moderate allergic reaction:
Calm and reassure the person having the reaction. Anxiety can make