Cefixime Dosage

If you are taking cefixime, your dosage is calculated based on the type and severity of infection you have, your kidney function, and various other considerations. This prescription antibiotic comes in many forms, and is taken once or twice a day. Do not stop taking cefixime too soon, as not finishing a prescribed course may lead to more serious infections.

An Introduction to Your Dosage of Cefixime

The dosage of cefixime (Suprax®) your healthcare provider recommends will vary, depending on factors such as:
 
  • Your age
  • Your weight
  • The type and severity of the infection being treated
  • How well your kidneys are functioning
  • Other medical conditions you may have.
 
As is always the case, do not adjust your dosage unless your healthcare provider specifically tells you to do so.
 

Recommended Cefixime Dosing Guidelines for Adults

The standard dose of cefixime for adults is 400 mg once daily or 200 mg twice daily. The length of treatment will vary, depending on the type and severity of the infection. For a standard gonorrhea infection, a single 400-mg dose can be used. 
 
If your kidneys are not functioning well, your healthcare provider may recommend a lower or less-frequent dose of cefixime.
 

What Is the Recommended Cefixime Dosage for Children?

The standard recommended cefixime dosage for children will vary, depending mostly on the child's weight. In general, the standard dose is 8 mg per kg per day, either all in one dose or spit up into two smaller doses every 12 hours. This is about 3.6 mg per lb per day. Children older than 12 years old or those who weigh more than 50 kg (110 lbs) should be treated with the standard adult dosage.
 
Cefixime liquid comes in three different strengths:
 
  • Cefixime 100 mg per 5 mL for oral suspension 
  • Cefixime 200 mg per 5 mL for oral suspension
  • Cefixime 500 mg per 5 mL for oral suspension.
 
If your kidneys are not functioning well, your child's healthcare provider may recommend a lower or less-frequent dose of cefixime.
 
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Cefixime Antibiotic Information

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