Ritalin side effects | ADHD Information

check here: http://www.nlm.nih.gov/medlineplus/druginfo/uspdi/202361.htm lMaybe take it earlier in the morning to get better sleep at night or a smaller dosage.  I did not take short acting Ritalin very long.  I take time release Concerta.Hi everyone i was recently diognosed with adhd and put on ritalin. I don't know why but i have very bad side effects. I get really bad stomach aches and find it hard to sleep at night. I dont know if these side effects are normal. Does anyone know? Thanx