Indications/Uses
Depression.
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Dosage/Direction for Use
Adult: PO Initial: 15 mg/day; may increase gradually based on response. Usual range: 15-45 mg/day as 1-2 divided doses.
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Administration
May be taken with or without food.
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Special Precautions
Epilepsy or history of seizures; avoid completely in unstable cases. Hepatic or renal impairment, cardiac disorders e.g. conduction disturbances, angina pectoris, recent MI. Hypotension, DM, psychoses, history of bipolar disorder. Stop treatment if jaundice develops. Micturition disturbances, angle-closure glaucoma, raised intraocular pressure. Monitor patient for signs of bone marrow depression. Monitor patient for suicidal tendency. Avoid abrupt withdrawal. May impair ability to drive or operate machinery. Pregnancy and lactation. Elderly.
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Adverse Reactions
Increase in appetite and wt, oedema; drowsiness or sedation; dizziness, headache, increased liver enzyme levels; jaundice. Orthostatic hypotension, rash, nightmares, agitation, mania, hallucinations, paraesthesia, convulsions, tremor, myoclonus, akathisia, restless legs syndrome, arthralgia, myalgia, reversible agranulocytosis, leucopenia, granulocytopenia, hyponatraemia.
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Drug Interactions
Potentiation of sedative effects with alcohol or benzodiazepines. Increased plasma levels with potent CYP3A4 inhibitors (e.g. HIV-protease inhibitors, azole antifungals including ketoconazole, erythromycin, nefazodone). Reduced plasma levels with carbamazepine and other inducers of CYP3A4. Increased bioavailability with cimetidine.
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CIMS Class
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ATC Classification
N06AX11 - mirtazapine ; Belongs to the class of other antidepressants.
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