Modalert 200 is a prescription medication commonly used in Australia to promote wakefulness in individuals suffering from sleep disorders such as narcolepsy, obstructive sleep apnea, and shift work sleep disorder. Modafresh active ingredient, modafinil, works by stimulating the central nervous system, improving alertness, and reducing excessive daytime sleepiness. The typical dosage for adults is 200 mg once daily, usually taken in the morning or an hour before a work shift. However, the dosage may vary based on medical conditions and doctor’s recommendations. While Modalert 200 is generally well-tolerated, some potential side effects include headache, nausea, dizziness, nervousness, and trouble sleeping (insomnia). In rare cases, it may cause serious side effects such as skin rashes, irregular heartbeat, or severe allergic reactions. It is important to use this medication under medical supervision to minimize risks and ensure safe usage.