Basically, the safe dosage, frequency, and duration of treatment is suggested by your doctor and you should not take more Ritalin, more often, or in a different way than prescribed. While the dosage range varies for children, the average daily dose of methylphenidate for adults is 20 to 30 mg/day.
http://prescription-drug.addictionblog.org/how-much-ritalin-is-too-much/
Is Ritalin Effective for Adult ADHD? Methylphenidate was the first drug to be used in the treatment of ADHD, originally to treat children in the 1960’s. Since its discovery, methylphenidate has been used to treat ADHD in both children and adults for many years.
http://www.adultadhd.net/ritalin/
Although the drug is only licensed to treat children and teenagers with ADHD, healthcare providers may occasionally recommend it as an off-label ADHD medication. When prescribing stimulants such as Ritalin for adults, conditions such as high blood pressure or heart problems should be checked for first. Advertisement.
http://adhd.emedtv.com/ritalin/ritalin-for-adults.html
Ritalin® (methylphenidate hydrochloride) is a prescription medication licensed to treat attention deficit hyperactivity disorder (ADHD) in children and teenagers. The drug is not approved for use in adult ADHD, although it is approved to treat narcolepsy in adults.
http://adhd.emedtv.com/ritalin/ritalin-for-adults.html
Incrementally increasing the dose allows the family to determine the dosage that produces the optimal response. If 10 mg of Ritalin works better than 5 mg and as well as 15 mg, then the child should take only 10 mg. In certain cases, however, even 5 mg may make a child jittery or bring on a headache (both rare at 5 mg but possible). If such complaints persist for more than a day or two, no further Ritalin is offered.
http://www.pbs.org/wgbh/pages/frontline/shows/medicating/drugs/diller.html
Average dosage is 20 to 30 mg daily. Some patients may require 40 to 60 mg daily. In others, 10 to 15 mg daily will be adequate. Patients who are unable to sleep if medication is taken late in the day should take the last dose before 6 p.m. SR Tablets: Ritalin-SR tablets have a duration of action of approximately 8 hours.
https://www.drugs.com/dosage/ritalin.html
Concerta vs. Ritalin in your body. Stimulants are among the most commonly prescribed drugs for ADHD. According to the Cleveland Clinic, stimulants work to treat the condition in 70 percent of adults. They’re also effective for 70 to 80 percent of children with ADHD. Stimulants like Concerta and Ritalin may help reduce symptoms such as fidgeting, hyperactivity, short attention span, and more.
http://www.healthline.com/health/adhd/concerta-ritalin
While Concerta and Ritalin have the same active ingredient, they work in different ways. Concerta is a long-acting drug: It increases dopamine steadily. This means that you only need to take it once per day for all-day symptom relief. According to the Cleveland Clinic, Concerta works for 10 to 12 hours.
http://www.healthline.com/health/adhd/concerta-ritalin
I am on short acting ritalin 2 doses 6am 30mg and noon 30mg and it dosnt last but 2 hours. im getting a different pyschiatris and going to try for Adderal. hoprfully yhat will work better. i was on 72mg Concerta and it worked great but my insuranc did away with all long acting stimulants.
http://www.adultadhd.net/ritalin/
How much Ritalin can you take at once? While the dosage range varies for children, the average daily dose of methylphenidate for adults is 20 to 30 mg/day. Most texts on the matter recommend that the daily dose should not exceed 60 mg, although some individuals may require higher doses.
http://prescription-drug.addictionblog.org/how-much-ritalin-is-too-much/
how many milligrams of ritalin should an adult take
An adult should take 20 to 30 mg of Ritalin per day. An adult should take 20 to 30 milligrams of Ritalin a day. An adult takes 20 to 30 milligrams per day of Ritalin.