Like all medications, Ritalin comes with potential side effects and risks. Common side effects include insomnia, nervousness, dizziness, headaches, and decreased appetite. Some users may experience increased blood pressure, rapid heart rate, or mood swings, especially when taking higher doses. Long-term use of Ritalin can lead to tolerance, dependence, and withdrawal symptoms if stopped abruptly. There is also a risk of misuse, particularly among students or professionals who use it for cognitive enhancement without a prescription. To reduce risks, Ritalin should only be taken as prescribed by a doctor and under medical supervision. Individuals with a history of heart problems, anxiety disorders, or substance abuse should consult their doctor before using Ritalin. Despite these risks, when used correctly, Ritalin is a safe and effective medication that can greatly improve focus, organization, and overall mental performance in individuals with ADHD.