ADHD Drug Shortages Spread to Generic Ritalin (1)

Shortages of ADHD medications that started this summer with Adderall have widened to now include another major category of stimulants.

For the past two months, patients have had a hard time finding methylphenidate drugs, a class that includes Novartis AG’s Ritalin and Johnson & Johnson’s Concerta. A drug manufacturer and a major pharmacy told Bloomberg News there are issues with the supply of the drugs, though it’s unclear what’s causing the shortage.

There has been a shortage of ADHD stimulant medications, taken by millions in the US each month, since August, starting with amphetamine-based drugs like Adderall. ...