• Basic Info
• Top Questions
• Interactions

Before using methylphenidate transdermal, tell your doctor if you are using any of the following drugs:

• blood pressure medications;

• a blood thinner such as warfarin (Coumadin);

• clonidine (Catapres);

• seizure medicine such as phenytoin (Dilantin), phenobarbital (Luminal), primidone (Mysoline); or

• antidepressants such as clomipramine (Anafranil), desipramine (Norpramin), imipramine (Tofranil), citalopram (Celexa), fluoxetine (Prozac, Sarafem), paroxetine (Paxil), and others.

This list is not complete and there may be other drugs that can interact with methylphenidate transdermal. Tell your doctor about all the prescription and over-the-counter medications you use. This includes vitamins, minerals, herbal products, and drugs prescribed by other doctors. Do not start using a new medication without telling your doctor.

Get emergency medical help if you have any of these signs of an allergic reaction: hives; difficulty breathing; swelling of your face, lips, tongue, or throat.

Stop using methylphenidate and call your doctor at once if you have any of these serious side effects:

• fast, pounding, or uneven heartbeats;

• feeling light-headed, fainting;

• increased blood pressure (severe headache, blurred vision, trouble concentrating, chest pain, numbness, seizure);

• redness, swelling, itching, or blistering where the skin patch was worn (may also spread to other areas);

• headache with fever, weakness, joint pain, diarrhea, and/or vomiting;

• aggression, restlessness, hallucinations, unusual behavior, or motor tics (muscle twitches); or

• confusion, crying, feeling irritable.

Less serious side effects may include:

• vision problems;

• mild skin redness, bumps, or itching;

• nausea, vomiting;

• loss of appetite, weight loss;

• sleep problems (insomnia); or

• stuffy nose, sore throat.

This is not a complete list of side effects and others may occur. Tell your doctor about any unusual or bothersome side effect.