Concerta (methylphenidate) is a central nervous system stimulant. It affects chemicals in the brain and nerves that contribute to hyperactivity and impulse control. t is very important to define correctly a dosage therefore before buying сonsertа, you have to consult with the doctor. The preparation isn’t appointed if there are heart diseases. Surely tell your doctor about chronic diseases if they are. Misuse or overdose can cause the death or serious side effects connected with work of heart. Сonserta’s tablet is drunk in the morning with water. Tablets can’t be chewed, divided or crushed. Active agent is gradually and controllably released from a cover which is brought then out of an organism. Form of release of tablets: on 18 mg, on 36 mg, on 54 mg. For all children above 6 years of age the recommended preparation doses are 1 tablet 18 – 54 mg. Correction of a dose to be carried out with an interval approximately of one week. Application of a dose higher than 54 mg isn’t recommended if improvement of a condition of the patient isn’t observed within one month after the corresponding selection of a dose. To store at a temperature not above 25 °C in the place, dry, inaccessible for children.