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Dosage

Amoxicillin dosage

Dosages will be determined by the type of infection being treated.

ADULTS

Ear, Nose, Throat, Skin, Genital, and Urinary Tract Infections

For mild or moderate infections, the usual dose is 250 milligrams every 8 hours, or 500 milligrams every 12 hours. For severe infections, the usual dose is 500 milligrams every 8 hours, or 875 milligrams every 12 hours.

Lower Respiratory Tract Infections

For mild, moderate, or severe infections, the usual dose is 500 milligrams every 8 hours, or 875 milligrams every 12 hours.

Gonorrhea, Acute, Uncomplicated Anogenital and Urethral Infections

The usual dosage is 3 grams in a single oral dose.

Ulcers

For ulcer treatment, Amoxicillin is combined with Biaxin, Prevacid, or Prilosec. There are several dosage regimens available. For more information, refer to the "Recommended Dosage" section under Biaxin, Prevacid, or Prilosec.

If your kidneys are severely impaired or you are undergoing hemodialysis your doctor may have to adjust your dosage accordingly.

CHILDREN OLDER THAN 3 MONTHS

Children weighing 88 pounds and over should follow the recommended adult dose schedule.

Children weighing under 88 pounds will have their dosage determined by their weight.

Ear, Nose, Throat, Genital, and Urinary Tract Infections

For mild or moderate infections, the usual dose is 25 milligrams per 2.2 pounds of body weight, divided into two daily doses and taken every 12 hours; or 20 milligrams per 2.2 pounds of body weight, divided into three daily doses and taken every 8 hours.

For severe infections, the usual dose is 45 milligrams per 2.2 pounds of body weight, divided into two daily doses and taken every 12 hours; or 40 milligrams per 2.2 pounds of body weight, divided into three daily doses and taken every 8 hours.

Lower Respiratory Tract Infections

For mild, moderate, or severe infections, the usual dose is 45 milligrams per 2.2 pounds of body weight, divided into two daily doses and taken every 12 hours; or 40 milligrams per 2.2 pounds of body weight, divided into three daily doses and taken every 8 hours.

For infants 3 months or younger the maximum daily dose is 30 milligrams per 2.2 pounds of body weight, divided into two daily doses and taken every 12 hours.

The required amount of liquid medication should be placed directly on the child's tongue for swallowing. Amoxicillin can also be added to formula, milk, fruit juice, water, ginger ale, or cold drinks. The preparation should be taken immediately. To be certain the child is getting the full dose of medication, make sure he or she drinks the entire preparation.

If your child is taking the pediatric drops, use the dropper provided to measure the dosage.

For most infections in adults the dosing regimens for amoxicillin are 250 milligrams every 8 hours, 500 milligrams every 8 hours, 500 milligrams every 12 hours or 875 milligrams every 12 hours, depending on the type and severity of infection.

For the treatment of adults with gonorrhea, the dose is 3 g given as one dose.

For most infections, children older than 3 months but less than 40 kg are treated with 25 milligrams/kg/day in divided doses every 12 hours, 20 milligrams/kg/day in divided doses every 8 hours, 40 milligrams/kg/day in divided doses every 8 hours or 45 milligrams/kg/day in divided doses every 12 hours depending on type and severity of the infection.

Amoxicillin can be taken with or without food.

 

 
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