Ritalin is available in various forms, including immediate-release tablets, extended-release capsules, and transdermal patches. The choice of formulation depends on the individual's needs and preferences, as well as the prescribing healthcare professional's recommendation.

Like any medication, Ritalin may have potential side effects. Common side effects include decreased appetite, trouble sleeping, headaches, and increased heart rate. However, these side effects are usually mild and temporary, and they often diminish as the body adjusts to the medication. It is important to note that Ritalin should only be taken under the supervision of a healthcare professional, who can monitor its effects and adjust the dosage if necessary.