Methylphenidate (MPD) is used in the treatment of ADHD, tachycardia syndrome and narcolepsy. As a central nervous system stimulant, it is also misused by drug addicts. Taken orally, the duration of action lasts for 1-12 hours depending on the release to blood circulation. After use, 80 % is excreted in urine intact or as ritalinic acid.
EXP.DATE 2025-02