What Is Ampicillin 500mg?
ampicillin 500mg Capsule is a penicillin-type antibiotic used to treat many different types of infections caused by bacteria, such as ear infections, bladder infections, pneumonia, gonorrhea, and E. coli or salmonella infection. Principen is available in generic form.
Ampicillin 500mg Uses
How Ampicillin 500mg works
What Are Side Effects of ampicillin 500mg Capsule?
Common side effects of ampicillin 500mg Capsule include:
- nausea,
- vomiting,
- stomach pain,
- diarrhea,
- vaginal itching or discharge,
- headache,
- mouth/tongue sores,
- thrush (white patches inside your mouth or throat), or
- swollen, black, or “hairy” tongue.
Tell your doctor if you have rare but very serious side effects of ampicillin 500 mg Capsule including:
- dark urine,
- persistent nausea or vomiting,
- yellowing eyes or skin,
- easy bruising or bleeding, or
- persistent sore throat or fever.
Dosage for Principen
The usual oral dose range of ampicillin 500mg Capsule for most infections is 250 to 500 mg 4 times daily for 7-14 days. To treat gonorrhea, a single 3.5 g dose is administered along with probenecid.
What Drugs, Substances, or Supplements Interact with Principen?
ampicillin 500mg Capsule may interact with allopurinol, methotrexate, sulfa drugs, or tetracycline antibiotics. Tell your doctor all medications you are taking.
Principen During Pregnancy or Breastfeeding
ampicillin 500 mg Capsule should be used only when prescribed during pregnancy. This medication passes into breast milk. Consult your doctor before breastfeeding.
Additional Information
Our ampicillin 500mg Capsule (ampicillin) Side Effects Drug Center provides a comprehensive view of available drug information on the potential side effects when taking this medication.








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