The maximum daily cefdinir dose for a 77 lb child is 489 mg once every 24 hours or 244 mg every 12 hours.
To calculate it:
Convert the weight in lbs to kgs. 77 lbs = 34.9 kg
A standard dose of cefdinir for children is 7 mg/kg twice a day or 14 mg/kg once a day. Multiply the child's weight in kg by the doses.
34.9 × 7 = ~244
34.9 × 14 = ~489
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