Ampicillin: what it is for, how to use it and side effects

Ampicillin is an antibiotic indicated for the treatment of various infections, of the urinary, oral, respiratory, digestive and biliary tracts and also of some local or systemic infections caused by microorganisms of the enterococcus group, Haemophilus, Proteus, Salmonella and E.coli.

This medicine is available in 500 mg tablets and in suspension, which can be purchased at pharmacies, upon presentation of a prescription.

What is it for

Ampicillin is an antibiotic indicated for the treatment of urinary, oral, respiratory, digestive and biliary infections. In addition, it is also indicated for the treatment of local or systemic infections caused by germs from the enterococcus group, Haemophilus, Proteus, Salmonella and E.coli.

How to use

The ampicillin dosage should be determined by the doctor according to the severity of the infection. However, the recommended doses are as follows:

Adults

  • Respiratory tract infection: 250 mg to 500 mg every 6 hours;
  • Infection of the gastrointestinal tract: 500 mg every 6 hours;
  • Genital and urinary infections: 500 mg every 6 hours;
  • Bacterial meningitis: 8 g to 14 g every 24 hours;
  • Gonorrhea: 3.5 g of ampicillin, combined with 1 g of probenecid, which must be administered simultaneously.

Children

  • Respiratory tract infection: 25-50 mg / kg / day in equal doses every 6 to 8 hours;
  • Infection of the gastrointestinal tract: 50-100 mg / kg / day in equal doses every 6 to 8 hours;
  • Genital and urinary infections: 50-100 mg / kg / day in equal doses every 6 to 8 hours;
  • Bacterial meningitis: 100-200 mg / kg / day.

In more serious infections, the doctor may increase the doses or prolong the treatment for several weeks. It is also recommended that patients continue treatment for at least 48 to 72 hours after all symptoms have stopped or cultures have given a negative result.

Clarify all your doubts about antibiotics .

Who should not use

Ampicillin should not be used in people who are hypersensitive to formula components or other beta-lactam drugs.

In addition, it should also not be used by pregnant women or women who are breastfeeding, unless recommended by the doctor.

Possible side effects

Some of the most common side effects that can occur during treatment with ampicillin are diarrhea, nausea, vomiting and the appearance of rashes.

In addition, although less frequent, epigastric pain, hives, generalized itching and allergic reactions may still occur.

Leave a Comment