Modafinil: May cause some people to feel dizzy

Modafinil may cause some people to feel dizzy, drowsy, have trouble thinking or controlling movements, or trouble seeing clearly. Make sure you know how you react to this medicine before you drive, use machines, or do other jobs that require you to be alert, well-coordinated, or able to think or see well. Modafinil (Provigil) is a medication that treats excessive tiredness caused by narcolepsy, sleep apnea and shift work sleep disorder. Learn about modafinil : What is it used for, what you need to know before taking, important warnings and safety info, how to take, side effects and more... Modafinil is a CNS stimulant that promotes wakefulness and treats excessive daytime sleepiness caused by various disorders. Learn about its benefits, risks, precautions, and how to take it safely.