Concerta 54 mg tablets. Dosing for this medication varies from person to person, depending on whether you have previously taken methylphenidate (the active ingredient in Concerta). The recommended starting dose for people new to methylphenidate is either 18 mg or 36 mg once daily. Each CONCERTA extended-release tablet contains 18 mg, 27 mg, 36 mg or 54 mg of methylphenidate hydrochloride as the active ingredient. CONCERTA extended-release tablets contain lactose. Patients New to Methylphenidate. The recommended starting dose of CONCERTA ® for patients who are not currently taking methylphenidate or stimulants other than methylphenidate is 18 mg once daily for children and adolescents and 18 or 36 mg once daily for adults (see Table 1). CONCERTA ® is approved in dosages up to 54 mg per day for children and 72 mg per day for adolescents. Children under 6 years of age should not take CONCERTA ®. A typical dose adjustment schedule may look like this: I'm on 54mg of concerta and I'm wondering if its bad if I toke two of them ? Cause i think I forgot if I already toke one and I don't wanna be hooked on 108 mg :/ so if someone could give me an answer Please let me know. Concerta and Adderall are medications used to treat attention deficit hyperactivity disorder. These drugs help activate the areas of your brain that are responsible for focusing and paying attention. Take this medication by mouth with or without food as directed by your doctor, usually once daily in the morning. Concerta 54 mg tablet,extended release. color brownish-red shape oblong. Following administration of Concerta XL in single doses of 18, 36, and 54 mg/day to adults, C max and AUC inf of methylphenidate were proportional to dose. Distribution Plasma methylphenidate concentrations in adults decline biexponentially following oral administration. You should only take CONCERTA ® as instructed by your healthcare professional. The most common side effects (greater than 10%) for CONCERTA ® in adults are dry mouth, nausea, decreased appetite, headache, and insomnia. I take 72 mg concerta and I am a girl, 5'6, 124 pounds. I can't stop losing weight! I eat 2100-2200 calories a day, I run track at my high school.