ADHD Home > Ritalin SR Drug Info

Ritalin SR® (methylphenidate extended-release) is available only by prescription and is used to treat narcolepsy and attention deficit hyperactivity disorder (ADHD). This medication is not appropriate for everyone; your healthcare provider needs complete information on your medical history and what medicines you are taking before prescribing it. Because this drug is a stimulant and is commonly abused, there are special rules for prescribing Ritalin SR.
This long-acting drug only needs to be taken once a day. Most people take it in the morning, as taking it later in the day may cause insomnia.
The most commonly reported side effects of Ritalin SR include but are not limited to:
  • Nervousness
  • Insomnia
  • Loss of appetite
  • Nausea.
(For more info on this drug, including how it works and the factors that will affect your dosage, click Ritalin SR.)
Written by/reviewed by:
Last reviewed by: Arthur Schoenstadt, MD
Last updated/reviewed:
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