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How long does modafinil stay in your system

It usually takes 12 to 15 hours for modafinil, including Modalert 200 mg, to take effect. This indicates the half-life of the substance in your system takes this long to disappear. But how long modafinil is detectable in the body depends on a number of parameters, including dose, age, and liver function. Generally speaking, stopping the usage of modafinil may need a few days for the drug to completely leave your system. When using Modafinil with other drugs, it's crucial to adhere to doctor's recommendations and dosage guidelines to prevent any possible interactions or problems.