Brief Answer: Follows. Detailed Answer: Dear Madam, Thank you for posting your query on HCM. Well looking into your problem I would like to tell you that for fibromyalgia pain it is generally given in lower doses like starting from 300 mg which can be raised upto 900 mg if required but every persons requirement may be different . People may be intolerant to even small doses so it varies from person to person . But in above mentioned dose people generally tolerate it except for mild drowsiness . Take care. Dr. Shruti

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