METHYLPHENIDATE HCL Information
What is this medicine?
METHYLPHENIDATE (meth il FEN i date) is used to treat attention-deficit hyperactivity disorder (ADHD). It is also used to treat narcolepsy.
This medicine may be used for other purposes; ask your health care provider or pharmacist if you have questions.
How should I use this medicine?
Take this medicine by mouth with a glass of water. Follow the directions on the prescription label. It is best to take this medicine 30 to 45 minutes before meals, unless your doctor tells you otherwise. Take your medicine at regular intervals. Usually the last dose of the day will be taken at least 4 to 6 hours before bedtime, so it will not interfere with sleep.
Overdosage: If you think you have taken too much of this medicine contact a poison control center or emergency room at once.
NOTE: This medicine is only for you. Do not share this medicine with others.
What may interact with this medicine?
Do not take this medicine with any of the following medications:
• MAOIs like Carbex, Eldepryl, Marplan, Nardil, and Parnate
• other stimulant medicines for attention disorders, weight loss, or to stay awake
This medicine may also interact with the following medications:
• certain medicines for blood pressure, heart disease, irregular heart beat
• certain medicines for depression, anxiety, or psychotic disturbances
• certain medicines for seizures like carbamazepine, phenobarbital, phenytoin
• cold or allergy medicines
This list may not describe all possible interactions. Give your health care provider a list of all the medicines, herbs, non-prescription drugs, or dietary supplements you use. Also tell them if you smoke, drink alcohol, or use illegal drugs. Some items may interact with your medicine.
Do not take this medicine close to bedtime. It may prevent you from sleeping.
What if I miss a dose?
If you miss a dose, take it as soon as you can. If it is almost time for your next dose, take only that dose. Do not take double or extra doses.
What side effects may I notice from receiving this medicine?
Side effects that you should report to your doctor or health care professional as soon as possible:
• allergic reactions like skin rash, itching or hives, swelling of the face, lips, or tongue
• changes in vision
• chest pain or chest tightness
• fast, irregular heartbeat
• fingers or toes feel numb, cool, painful
• hallucination, loss of contact with reality
• high blood pressure
• males: prolonged or painful erection
• severe headaches
• shortness of breath
• suicidal thoughts or other mood changes
• trouble walking, dizziness, loss of balance or coordination
• uncontrollable head, mouth, neck, arm, or leg movements
• unusual bleeding or bruising
Side effects that usually do not require medical attention (report to your doctor or health care professional if they continue or are bothersome):
• loss of appetite
• nausea, vomiting
• trouble sleeping
• weight loss
This list may not describe all possible side effects. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.
Where should I keep my medicine?
Keep out of the reach of children. This medicine can be abused. Keep your medicine in a safe place to protect it from theft. Do not share this medicine with anyone. Selling or giving away this medicine is dangerous and against the law.
This medicine may cause accidental overdose and death if taken by other adults, children, or pets. Mix any unused medicine with a substance like cat litter or coffee grounds. Then throw the medicine away in a sealed container like a sealed bag or a coffee can with a lid. Do not use the medicine after the expiration date.
Store at room temperature between 15 and 30 degrees C (59 and 86 degrees F). Protect from light and moisture. Keep container tightly closed.