Ritalin (methylphenidate) is a prescription medication that may be used under medical supervision for conditions such as ADHD and narcolepsy. Treatment should be started and monitored by a qualified healthcare professional. For information about eligibility, dosage, potential side effects, interactions, precautions, and appropriate treatment options, consult a licensed doctor or pharmacist. Do not use, share, or obtain Ritalin without a valid prescription. This advertisement is intended for general medical information and professional treatment guidance only. It does not offer Ritalin for sale or purchase.