Matalert 200 Tablet is a medicine used in the treatment of excessive daytime sleepiness (narcolepsy). It promotes wakefulness and helps you to stay awake. Thereby, reducing the tendency to fall asleep during the day and restoring the normal sleep cycle. Matalert 200 Tablet may also be used to treat obstructive sleep apnea and shift work sleep disorder. Additionally, it has cognitive-enhancing properties and can aid in increased focus, alertness, and productivity.Matalert 200 Tablet may be taken with or without food. It is advised to take this medicine at a fixed time each day to maintain a consistent level in the blood. If you miss any doses, take it as soon as you remember. Do not skip any doses and finish the full course of treatment even if you feel better. This medication mustn't be stopped suddenly as it may worsen your symptoms.Some common side effects of this medicine include headache, nausea, nervousness, anxiety, and insomnia (difficulty sleeping). You may also have diarrhea, indigestion, back pain, and a runny nose. However, these side effects are temporary and usually resolve on their own in some time. Serious side effects are rare but may include skin rashes, severe mood changes, and signs of an allergic reaction. Consult your doctor immediately if you experience any of these side effects.Always remember that this medicine is only used when advised by a doctor as it is not a replacement for a good sleep routine. You should try to get the right amount of sleep every night. Before taking Matalert 200 Tablet, inform your doctor if you have any problems with your kidneys, heart, liver, or have a history of seizures (epilepsy or fits). Inform your doctor if you develop any unusual changes in mood or behavior, new or worsening depression, or if you have any suicidal thoughts.