IMPORTANT NOTE: The following information is intended to supplement, not substitute for, the expertise and judgment of your physician, pharmacist or other healthcare professional. It should not be construed to indicate that use of the drug is safe, appropriate or effective for you. Consult your healthcare professional before using this drug.
Table of Contents
- Uses and How to Use
- Dosage and Storage
- Precautions and Side Effects
- Drug Interactions
- Drug Images
Pronounced: (meth-ill-FEN-eh-date)
Ritalin LA Oral 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: confusion, agitation, sweating, flushing, wide pupils, persistent tremor, muscle twitching, hallucinations, severe headache, severe vomiting, seizures, loss of consciousness.
Ritalin LA Oral Missed Dose
If you miss a dose, take it as soon as you remember. If it is near the time of the next dose, skip the missed dose and resume your usual dosing schedule. Do not double the dose to catch up.
Ritalin LA Oral 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 have identical effects. Do not change brands or forms without consulting your doctor or pharmacist.
Ritalin LA Oral Storage
Store this medication at room temperature at 77 degrees F (25 degrees C). Brief storage between 59-86 degrees F (15-30 degrees C) is permitted. Do not store in the bathroom. Keep all medicines away from children and pets.
Do not flush medications down the toilet or pour them into a drain unless instructed to do so. Properly discard this product when it is expired or no longer needed. Consult your pharmacist or local waste disposal company for more details about how to safely discard your product.
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CONDITIONS OF USE: The information in this database is intended to supplement, not substitute for, the expertise and judgment of healthcare professionals. The information is not intended to cover all possible uses, directions, precautions, drug interactions or adverse effects, nor should it be construed to indicate that use of a particular drug is safe, appropriate or effective for you or anyone else. A healthcare professional should be consulted before taking any drug, changing any diet or commencing or discontinuing any course of treatment.
Copyright 2007 First DataBank, Inc.

