ADHD Home > Focalin XR Side Effects

Side Effects to Report

Some side effects with Focalin XR, while occurring infrequently, are potentially serious and should be reported to your healthcare provider. These reactions include but are not limited to:
  • Abnormally long-lasting or frequent painful erections of the penis in males of any age
  • Behavior that is more outgoing or aggressive than normal
  • Strange behavior, agitation, or restlessness
  • Hallucinations (seeing, hearing, or feeling things that are not really there)
  • Fainting or seizures
  • Uncontrolled movements of the head, neck, mouth, arms, or legs (known as tics)
  • Signs of an allergic reaction, including:
    • An unexplained skin rash
    • Itching
    • Hives
    • Wheezing or trouble breathing
    • Unexplained swelling.

Rare Focalin XR Side Effects

Some side effects were not reported in short-term studies of Focalin XR. However, these problems were reported in studies on methylphenidate (which is similar to Focalin XR). Given that they were not actually reported for Focalin XR, it can be difficult to tell whether these side effects are caused by the medication or something else.
These rare side effects include but are not limited to:
Written by/reviewed by:
Last reviewed by: Kristi Monson, PharmD;
Last updated/reviewed:
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