Are allergic to Ritalin, methylphenidate hydrochloride, or any inactive component used to make Ritalin. Your healthcare provider or pharmacist has a list of the inactive ingredients.
There are a number of situations in which Ritalin should not be taken, as well as a number of warnings and precautions to be aware of before starting the drug. However, it is possible that not all Ritalin warnings and precautions were discussed in this article. Therefore, you should talk with your healthcare provider about any specific ones that may apply to you.