Modalert 200mg is frequently used to encourage wakefulness in patients with sleep apnea, narcolepsy, and shift work sleep disorder. Although it is usually well tolerated in the short term, its long-term safety needs to be carefully evaluated. Side effects such headaches, anxiety, sleeplessness, or dependency may result with prolonged use. 

Furthermore, its effects on cardiovascular and liver health are not entirely understood. For anyone taking Modalert 200 over an extended period of time, regular medical care is necessary. To ensure safe and efficient use, patients should speak with a healthcare physician about their unique health state and potential dangers.