ADHD Home > Methylin

Methylin is commonly prescribed for the treatment of narcolepsy and attention deficit hyperactivity disorder (ADHD). The medication produces a calming effect when used to treat ADHD and also works as a stimulant to help people with narcolepsy. It is available as chewable tablets or an oral solution, and is usually taken two or three times a day. Weight loss, dizziness, and stomach pain are common side effects seen with Methylin.

What Is Methylin?

Methylin® (methylphenidate hydrochloride) is a prescription medication used to treat attention deficit hyperactivity disorder (ADHD). It is also used to treat narcolepsy. Four forms are currently available:
  • Methylin tablets
  • Methylin chewable tablets
  • Methylin oral solution
  • Methylin ER tablets.
Because this drug is a stimulant and is commonly abused, there are special rules for prescribing it (see Methylin Abuse and Methylin: A Controlled Substance for more information).

Who Makes It?

Methylin is manufactured by Mallinckrodt, Inc. The chewable tablets and oral solution are marketed by Shionogi Pharma, Inc.

What Is Methylin Used For?

As mentioned, this medication is licensed to treat ADHD. In addition to hyperactivity (having trouble sitting still), people with the condition have problems paying attention, focusing, and controlling their behavior. While most people think of ADHD as a problem in children, it can also occur in adults (see Adult ADHD). However, Methylin is not approved for use in adult ADHD (see Methylin and Adults).
This medication is also licensed for the treatment of narcolepsy. This is a condition that involves falling asleep uncontrollably and at unusual times. People who have narcolepsy often appear paralyzed when they are asleep and have hallucinations when falling asleep. They also often fall asleep several times during the day.
(Click Methylin Uses for more information, including possible off-label uses for the drug.)
Written by/reviewed by:
Last reviewed by: Kristi Monson, PharmD;
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