The average cost for 28 capsules of 500mg of Ampicillin is $15.48 with a free GoodRx coupon. This is 26.39% off the average retail price of $21.03.
CapsuleTypical dosage for Ampicillin
Your healthcare professional (HCP) will determine the appropriate dose and length of treatment for Ampicillin. Typically, this depends on several factors, including what type of infection you have, how serious it is, and your body weight.
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Adults and children weighing over 20 kg:
- Respiratory tract infections: The typical dose is 250 mg by mouth 4 times a day.
- Gastrointestinal tract infections and urinary and reproductive system infections: The typical dose is 500 mg by mouth 4 times a day.
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Children weighing 20 kg (44.1 lbs) or less:
- Respiratory tract infections: The typical daily dose is 50 mg/kg total, taken by mouth in divided doses 4 times a day.
- Gastrointestinal tract infections and urinary and reproductive system infections: The typical daily dose is 100 mg/kg total, taken by mouth in divided doses 4 times a day.
Ampicillin is also available as an injection into the veins for people in the hospital.
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