Modalert 100 is a medication primarily used to treat narcolepsy, sleep apnea, and shift work sleep disorder. Its active ingredient, modafinil, is a wakefulness-promoting agent that helps improve alertness and cognitive function. By stimulating certain brain chemicals, Modalert 100 enhances wakefulness and reduces excessive daytime sleepiness. It is typically taken once daily, usually in the morning, or according to a healthcare provider's instructions. The effects can last up to 12 hours, making it effective for managing sleep-related issues.

Common side effects may include headaches, nausea, and insomnia. It’s important to use Modalert 200 under medical supervision to avoid potential interactions with other medications and to ensure it is appropriate for your condition. Consulting a healthcare provider before starting this medication is crucial to address any underlying health concerns and to determine the correct dosage.