The dosage of Ritalin for the treatment of ADHD depends on the age and symptoms of the individual. Doctors usually start with 5 mg for children, which can gradually increase to 20 mg. For adults, the dosage can be slightly higher, but doctor's advice is always necessary. Ritalin is taken 2-3 times a day, so that its effect remains throughout the day. Taking the wrong dosage can increa... https://www.prosafewaypharmacy.com/blog/what-is-ritalin-dosage-for-adhd-treatment