Negative Effects of Ritalin
In most cases, Ritalin® (methylphenidate hydrochloride) is a safe and effective treatment for narcolepsy and attention deficit hyperactivity disorder (ADHD). However, as with any medicine, it's a good idea to be aware of the potentially negative reactions to Ritalin before starting treatment, just in case. For example, some of the common side effects of this drug include:
Serious side effects -- such as suicidal thoughts, hallucinations, or difficulty breathing -- are also possible; however, they are not as common.
(Click Ritalin Warnings and Precautions and Ritalin Side Effects to learn about other potentially negative effects of this drug. These articles further explain why Ritalin may not be the best choice for everyone and give statistics on how frequently side effects occur.)