Ritalin

There is no information regarding the safety and effectiveness of long-term treatment in children. However, suppression of growth has been seen with the long-term use of stimulants, so your doctor will watch your child carefully while he or she is taking this drug.

Blood pressure should be monitored in anyone taking this drug, especially those with high blood pressure.

Some people have had visual disturbances such as blurred vision while being treated with this drug.

The use of this drug by anyone with a seizure disorder is not recommended. Be sure your doctor is aware of any problem in this area. Caution is also advisable for anyone with a history of emotional instability or substance abuse, due to the danger of addiction.

Possible food and drug interactions when taking Ritalin

If this medication is taken with certain other drugs, the effects of either can be increased, decreased, or altered. It is especially important to check with your doctor before combining this drug with the following:

Antiseizure drugs such as phenobarbital, Dilantin and Mysoline
Antidepressant drugs such as Tofranil, Anafranil, Norpramin, and Effexor
Blood thinners such as Coumadin
Clonidine (Catapres-TTS)
Drugs that restore blood pressure, such as EpiPen
Guanethidine (Ismelin)
MAO inhibitors (drugs such as the antidepressants Nardil and Parnate)
Phenylbutazone

Special information if you are pregnant or breastfeeding

The effects of this drug during pregnancy have not been adequately studied. If you are pregnant or plan to become pregnant, inform your doctor immediately. It is not known if this drug appears in breast milk. If this medication is essential to your health, your doctor may advise you to discontinue nursing your baby until your treatment with this medication is finished.

Recommended dosage

ADULTS

Ritalin and Methylin Tablets

The average dosage is 20 to 30 milligrams a day, divided into 2 or 3 doses, preferably taken 30 to 45 minutes before meals. Some people may need 40 to 60 milligrams daily, others only 10 to 15 milligrams. Your doctor will determine the best dose.