Modafinil 400 mg Australia is a high dose of modafinil that is prescribed by doctors for increasing alertness in adults suffering from excessive daytime sleepiness. It is prescribed for treatment of a number of ailments including narcolepsy, obstructive sleep apnea, and shift work sleep disorder. The medicine supports patients’ alertness when awake but does not provide enough sleep.

The use of 400 mg must be done on a doctor’s advice. The dosage of 200 mg once daily is usually enough for treating some conditions. In some cases, 400 mg of modafinil may be required but it does not bring any extra effect. Some of the possible side effects include headache, nausea, dizziness, nervousness, and insomnia. There is also a risk of interaction with some other drugs as well as reduced efficiency of hormonal contraception. Patients must talk about their medical history and drugs taken with this dose before using them.

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