DRUG INTERACTIONS: Your healthcare professionals (e.g., doctor or pharmacist) may already be aware of any possible drug interactions and may be monitoring you for it. Do not start, stop or change the dosage of any medicine before checking with them first. Avoid taking MAO inhibitors (e.g., furazolidone, isocarboxazid, linezolid, moclobemide, phenelzine, procarbazine, selegiline, tranylcypromine) within 2 weeks before or after treatment with this medication. In some cases, a serious, possibly fatal, drug interaction may occur. If you are currently using any of these medications, tell your doctor or pharmacist before starting this medication. Before using this medication, tell your doctor or pharmacist of all prescription and nonprescription/herbal products you may use, especially of: "blood thinners" (e.g., warfarin), clonidine, guanethidine, phenylbutazone, drugs that can increase blood pressure (e.g., phenylephrine), anti-seizure drugs (e.g., phenobarbital, phenytoin, primidone), tricyclic antidepressants (e.g., imipramine, desipramine), SSRI antidepressants (e.g., fluoxetine, sertraline).

OVERDOSE: If overdose is suspected, contact your local poison control center or emergency room immediately. US residents can call the US national poison hotline at 1-800-222-1222. Canadian residents should call their local poison control center directly. Symptoms of overdose may include: severe vomiting, persistent tremors, agitation, muscle twitching, seizures, loss of consciousness, confusion, hallucinations, sweating, flushing, severe headache, wide pupils.

NOTES: Do not share this medication with others. It is against the law. Laboratory and/or medical tests (e.g., blood pressure, growth monitoring in children requiring long-term therapy) should be performed periodically to monitor your progress or check for side effects. Other laboratory tests (blood counts, platelets) may also be performed to check for side effects. Consult your doctor for more details. Methylphenidate may help lessen inattention and hyperactivity ADHD symptoms such as not paying attention, making careless mistakes, not listening, being easily distracted, fidgeting, talking excessively, or interrupting others. There are different brands and forms of this medication available. Not all are identical. Do not change brands or forms without consulting your doctor or pharmacist.