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Comparing Ampicillin vs Oxacillin

View side-by-side comparisons of medication uses, ratings, cost, side effects, interactions and more.
Ampicillin Remove Ampicillin from your drug comparison Oxacillin Remove Oxacillin from your drug comparison
View side-by-side comparisons of medication uses, ratings, cost, side effects, interactions and more.
Ampicillin Remove Ampicillin from your drug comparison Oxacillin Remove Oxacillin from your drug comparison

Prescribed for Urinary Tract Infection, Bacterial Infection, Bronchitis, Bacteremia, Skin or Soft Tissue Infection, Bacterial Endocarditis Prevention, Endocarditis, Septicemia, Upper Respiratory... View more

Prescribed for Bacterial Infection, Joint Infection, Bone infection, Endocarditis, Meningitis, Pneumonia, Septicemia, Sinusitis, Skin or Soft Tissue Infection. oxacillin may also be used for purposes... View more

Prescription only

Prescription only

Ratings & Reviews

Recent helpful reviews
9.3
3 Reviews

For Urinary Tract Infection: It works and helps me get back to normal within a few hours. No side effects or drowsiness.

10

N/A
Review this drug

View all 3 reviews

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Drug Class

Side Effects

Commonly reported side effects include: eosinophilia, and skin rash.

See the full ampicillin side effects document.

See the full oxacillin side effects document.

Pricing and Coupons

* Prices are without insurance
Quantity 4 capsule
Dosage 500 mg
Per Unit* $2.02
Cost* $8.08

View all ampicillin prices

Quantity 10 powder for injection
Dosage 2 g
Per Unit* $4.32 - $27.00
Cost* $43.18 - $269.95

View all oxacillin prices

Get free Discount Card

Get free Discount Card

Generic Availability

Yes (this medicine)

Yes (this medicine)

Dosage Form(s) Available
  • Injectable powder for injection
  • Oral capsule
  • Oral powder for reconstitution
  • Injectable powder for injection
  • Intravenous solution

Brand Names

N/A

 Bactocill

Half Life

The half-life of a drug is the time taken for the plasma concentration of a drug to reduce to half its original value.

1.3 hours

2 hours

CSA Schedule**

View glossary of terms.
N
Not a controlled drug

Is not subject to the Controlled Substances Act.
N
Not a controlled drug

Is not subject to the Controlled Substances Act.

Pregnancy Category
B
Category B No proven risk in humans

See the full Pregnancy Warnings document.
B
Category B No proven risk in humans

See the full Pregnancy Warnings document.

FDA Alerts

N/A

FDA Alerts (1)

Drug Interactions

A total of 83 drugs are known to interact with ampicillin:

  • 3 major drug interactions (11 brand and generic names)
  • 63 moderate drug interactions (562 brand and generic names)
  • 17 minor drug interactions (65 brand and generic names)

A total of 66 drugs are known to interact with oxacillin:

  • 2 major drug interactions (10 brand and generic names)
  • 49 moderate drug interactions (513 brand and generic names)
  • 15 minor drug interactions (54 brand and generic names)

Alcohol/Food/Lifestyle Interactions
  • You may experience reduced absorption of ampicillin in the presence of food. The effectiveness of... View more
  • You may experience reduced absorption of oxacillin in the presence of food. The effectiveness of... View more

Disease Interactions

First Approval Date

December 17, 1965

April 08, 1971

WADA Class

View World Anti-Doping Agency classifications.

N/A

N/A

More Information

Consumer Resources

Professional Resources

Related Treatment Guide

** The Controlled Substances Act (CSA) schedule information displayed applies to substances regulated under federal law. There may be variations in CSA schedules between individual states.

Further information

Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.

Medical Disclaimer

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