Adult Initially 100-200 mg once daily or bid, may give small increments of 200 wkly, usually 400 mg bid or 600 mg bid until best response is obtained. Childn 10-15 yr Max: 600-1,000 mg once daily, 5-10 yr Max: 400-600 mg once daily,>5 yr10-20 mg/kg once daily in 2 divided doses. Trigeminal neuralgia 600-800 mg for complete pain relief.
Not to be discontinued abruptly. Patients w/ serious heart disease, liver or kidney disorders. Perform LFTs & complete hemogram before starting therapy. Alteration in liver condition; occurrence of neutropenia, leucopenia, thrombocytopenia occur. May impair ability to drive & use machines. Pregnancy & lactation. Not recommended in childn <5 yr. Elderly.
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