Modalert 200 is a medication commonly prescribed for the treatment of narcolepsy, a sleep disorder characterized by excessive daytime sleepiness and sudden attacks of sleep. It contains the active ingredient Modafinil, which works by promoting wakefulness and improving cognitive function. When taken as prescribed by a healthcare professional, Modalert 200 is generally considered safe for narcolepsy treatment. However, like any medication, it can have potential side effects and interactions with other drugs. It's important to follow your doctor's instructions carefully and report any unusual symptoms or reactions.