Generic Name: METHYLPHENIDATE SUSTAINED-ACTION - ORAL
Pronounced: (METH-il-FEN-i-date)

Ritalin LA Oral Precautions

Before taking methylphenidate, tell your doctor or pharmacist if you are allergic to it; or if you have any other allergies. This product may contain inactive ingredients, which can cause allergic reactions or other problems. Talk to your pharmacist for more details.

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

• high blood pressure
• glaucoma
• heart problems (such as irregular heartbeat, heart failure, previous heart attack, problems with heart structure)
• family history of heart problems (such as sudden cardiac death, irregular heartbeat)
• mental/mood conditions (especially anxiety, tension, agitation)
• personal/family history of mental/mood disorders (such as bipolar disorder, depression, psychosis)
• personal/family history of uncontrolled muscle movements (motor tics, Tourette's syndrome)
• overactive thyroid (hyperthyroidism)
• seizure disorder
• throat/stomach/intestinal problems (such as narrowing/blockage)

This drug may make you dizzy 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.

Before having surgery, tell your doctor or dentist about all the products you use (including prescription drugs, nonprescription drugs, and herbal products).

Some brands of this medication may contain sugar. Caution is advised if you have diabetes, fructose intolerance, or any other condition that requires you to limit/avoid sugar in your diet. Ask your doctor or pharmacist about using this medication safely.

If used for a long time, this drug may affect a child's growth rate, weight, and final adult height. To reduce the risk, the doctor may recommend briefly stopping the medication from time to time. Check the child's weight and height regularly, and consult your doctor or pharmacist for more details.

During pregnancy, methylphenidate should be used only when clearly needed. Discuss the risks and benefits with your doctor.

This medication passes into breast milk. Consult your doctor before breast-feeding.

Ritalin LA Oral Side Effects

Nervousness, trouble sleeping, loss of appetite, weight loss, dizziness, nausea, vomiting, headache, or blurred vision may occur. If any of these effects persist or worsen, tell your doctor or pharmacist promptly.

Remember that your doctor has prescribed this medication because he or she has judged that the benefit to you is greater than the risk of side effects. Many people using this medication do not have serious side effects.

Tell your doctor right away if you have any serious side effects, including:

• fast/pounding/irregular heartbeat
• mental/mood/behavior changes (such as agitation, aggression, mood swings, depression, abnormal thoughts)
• uncontrolled muscle movements (such as twitching, shaking)
• sudden outbursts of words/sounds that are hard to control

Get medical help right away if you have any very serious side effects, including:

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