Description

Ritalin (methylphenidate) is a central nervous system stimulant. It affects chemicals in the brain and nerves that contribute to hyperactivity and impulse control. It produces such effects as increasing or maintaining alertness, combating fatigue, and improving attention.

Side Effects

Common Ritalin side effects may include: mood changes, feeling nervous or irritable, sleep problems (insomnia); fast heart rate, increased blood pressure; loss of appetite, weight loss; nausea, stomach pain; or a headache. But the side effects are greatly limited with the Ritalin (methylphenidate) produced by Norvatis. Buy Ritalin online without prescription.