Modalert 100 mg is a prescription medicine used to help people stay awake and alert. It contains modafinil, a wakefulness-promoting medicine often prescribed for conditions that cause excessive daytime sleepiness, such as narcolepsy, obstructive sleep apnea (OSA), and shift work sleep disorder.

Many people look for Modalert 100 mg because they want better focus, improved alertness, and less daytime tiredness. However, it is important to use it safely because it can cause side effects and drug interactions.