Cause and Symptoms: An ingrown toenail occurs when the edge of the toenail, usually the big toe, grows into the skin next to it (lateral nail fold). This results in pain at the side of the toe and often redness, swelling, and discharge characteristic of an infection.
Amantadine Has Lasting Benefit on Levodopa-Induced Dyskinesia. For patients with Parkinson's disease (PD) who have levodopa-induced dyskinesia (LID), amantadine can maintain its antidyskinetic effect over several years, a new study indicates.
Amantadine (trade name Symmetrel, by Endo Pharmaceuticals) is a medication that has U.S. Food and Drug Administration approval for use both as an antiviral and an antiparkinsonian medication. It is the organic compound 1-adamantylamine or 1-aminoadamantane, meaning it consists of an adamantane backbone that has an amino group substituted at one of the four methyne positions.