Axillary: Of or relating to the underarm.
Dermatologist: A physician who specializes in diagnosing and treating problems with the skin.
Dysphagia: Swallowing difficulty.
FDA: The US Food and Drug Administration is the governing agency that regulates all medicines in the United States.
Hyperhidrosis Disease Severity Scale (HDSS): A questionnaire regarding the extent to which severe underarm sweating affects your daily activities.
Hyperhidrosis: Excessive sweating.
Pharyngitis: Swelling of the throat.
Placebo: A treatment with no medication in it (eg, a sugar pill or injection of saline). Sometimes patients in clinical trials are given a placebo so that researchers can compare it to the effects of a medication.
Primary axillary hyperhidrosis: Severe underarm sweating not caused by an underlying health problem.
Sweat glands: A group of cells that secretes sweat, found in the skin.