in patients who currently exhibit severe depression, anorexia nervosa, psychotic symptoms or suicidal tendency, since Concerta might worsen these conditions. 4.4 Special Warnings and Precautions for Use. Use with caution in the following circumstances. Drug dependence. Concerta should be given cautiously to patients with a history of drug or alcohol dependence. Chronic abusive use can lead to. Concerta XL 18 mg prolonged-release tablets. - Summary of Product Characteristics (SmPC) by Janssen-Cilag Ltd. Suicidal tendency. Patients with emergent suicidal ideation or behaviour during treatment for ADHD should be evaluated immediately by their physician. Consideration should be given to the exacerbation of an underlying psychiatric condition and to a possible causal role of. Methylphenidate taken orally has a bioavailability of 11–52% with a duration of action around 2–4 hours for instant release (i.e. Ritalin), 3–8 hours for sustained release (i.e. Ritalin SR), and 8–12 hours for extended release (i.e. Concerta). By mouth using immediate-release medicines. For Child 4–5 years. Initially 2.5 mg twice daily, increased in steps of 2.5 mg daily if required, at weekly intervals, increased if necessary up to 1.4 mg/kg daily in 2–3 divided doses, discontinue if no response after 1 month, if effect wears off in evening (with rebound hyperactivity) a dose at bedtime may be appropriate (establish need with. If you’re already depressed or suicidal, stopping Concerta abruptly could be more serious for you. In very rare cases, it could cause a psychotic episode. Stopping Concerta should be done slowly. Concerta Side Effects. Generic name: methylphenidate Medically reviewed by Drugs.com. Last updated on Jun 21, 2021. Consumer; Professional; FAQ; Note: This document contains side effect information about methylphenidate. Some of the dosage forms listed on this page may not apply to the brand name Concerta. In Summary Find patient medical information for Concerta oral on WebMD including its uses, side effects and safety, interactions, pictures, warnings and user ratings. Concerta (methylphenidate hydrochloride) is a central nervous system stimulant used to treat children and adults with ADHD. The drug contains the same active ingredient as Ritalin, another popular ADHD treatment, but Concerta only has to be taken once a day because it comes in an extended-release tablet. The most common side effects of the medication include headache, abdominal pain, insomnia. depression, mental illness, bipolar disorder, psychosis, or suicidal thoughts or actions; blood circulation problems in the hands or feet; or. alcoholism or drug addiction. To make sure Concerta is safe for you, tell your doctor if you have: problems with the esophagus, stomach, or intestines; `motor tics (muscle twitches) or Tourette's syndrome; or. seizures, epilepsy, or an abnormal brain. Age: Calculate Age * Height (enter height in inches, not feet plus inches) * Weight (enter weight in pounds, not kilograms) IMPORTANT: Updated information on height and weight is necessary for completing the preconsent review, as many medications are prescribed on basis of weight, and may affect height and weight. * BMI Calculate BMI * Gender Male Female * County.