Methylphenidate HCl CR Oral

In Depth

shortness of breath
chest pain
jaw/left arm pain
fainting
seizures
sudden vision changes
weakness on one side of the body
slurred speech
confusion

A very serious allergic reaction to this drug is unlikely, but seek immediate medical attention if it occurs. Symptoms of a serious allergic reaction may include:

rash
itching/swelling (especially of the face/tongue/throat)
severe dizziness
trouble breathing

This is not a complete list of possible side effects. If you notice other effects not listed above, contact your doctor or pharmacist.

In the US -

Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.

In Canada - Call your doctor for medical advice about side effects. You may report side effects to Health Canada at 1-866-234-2345.

Methylphenidate HCl CR Oral Precautions

Before taking methylphenidate, tell your doctor or pharmacist if you are allergic to it; or if you have any other allergies.

This medication should not be used if you have certain medical conditions. Before using this medicine, consult your doctor or pharmacist if you have:

severe anxiety/tension
certain mental/mood conditions (e.g, agitation, psychosis)
heart/blood vessel disease (e.g., irregular heartbeat/rhythm, coronary artery disease, angina, heart failure, cardiomyopathy)
problems with heart structure (e.g., valve problems)
history of heart attack or stroke
glaucoma
motor tics

Before using this medication, tell your doctor or pharmacist your medical history, especially of:

high blood pressure (hypertension)
family history of sudden death/irregular heartbeat/rhythm
family/personal history of mental/mood disorders (e.g., bipolar disorder, depression, psychotic disorder, suicidal thoughts)
overactive thyroid (hyperthyroidism)
seizures
verbal tics (diagnosis or family history of Tourette's syndrome)

This drug may make you dizzy, lightheaded, (rarely) drowsy, or cause blurred vision. Do not drive, use machinery, or do any activity that requires alertness or clear vision until you are sure you can perform such activities safely. Limit alcoholic beverages.

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