cefazolin vs probenecid

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Side-by-side comparison of cefazolin and probenecid. Data from FDA drug databases (Orange Book, NDC Directory, recalls, shortages) covering 20,000+ approved drugs, plus CMS pricing; see our methodology.

minor Known Drug Interaction

Drug Interactions Probenecid may decrease renal tubular secretion of cephalosporins when used concurrently, resulting in increased and more prolonged cephalosporin blood levels.

Drug Class
cefazolin First-Generation Cephalosporin
probenecid Uricosuric Agent
Type
cefazolin Prescription
probenecid Prescription
Summary
cefazolin

Cefazolin is an antibiotic medicine. It fights bacterial infections in your body.

probenecid

No summary available.

What It Treats
cefazolin

Cefazolin treats serious infections caused by certain bacteria. This includes infections of the lungs, urinary tract, skin, blood, heart, bones, and genital area. It can also prevent infections after surgery.

probenecid

Information not available.

How It Works
cefazolin

Cefazolin belongs to a class of drugs called cephalosporins. It works by stopping the growth of bacteria. This helps your body fight off the infection.

probenecid

Information not available.

Common Side Effects
cefazolin
  • Diarrhea
  • Oral thrush (a yeast infection in your mouth)
  • Vomiting
  • Nausea
  • Stomach cramps
probenecid
  • Diarrhea
  • Nausea
  • Yeast infection of the vagina
  • Headache
  • Vomiting
FAERS Reports
cefazolin
  • Hypotension 542
  • Anaphylactic Reaction 470
  • Rash 454
  • Renal Failure 435
  • Pain 385
probenecid
  • Diarrhoea 76
  • Dyspnoea 52
  • Adenovirus Infection 47
  • Asthenia 47
  • Fatigue 46
Serious Warnings
cefazolin

You should not take cefazolin if you are allergic to cephalosporin antibiotics. Symptoms of pseudomembranous colitis (severe diarrhea) can occur during or after treatment with cefazolin. Tell your doctor right away if you have severe diarrhea.

probenecid

No specific warnings noted.

Pregnancy
cefazolin

Tell your doctor if you are pregnant, plan to become pregnant, or are breastfeeding. It is not known if cefazolin will harm an unborn baby or pass into breast milk.

probenecid

No pregnancy information available.

Also Compare, Nearby Drugs

Compare cefazolin with

How to Read This cefazolin vs probenecid Comparison

cefazolin is classified in the First-Generation Cephalosporin drug class, while probenecid sits within the Uricosuric Agent class. Drugs from different classes work through distinct mechanisms, so a head-to-head comparison illustrates trade-offs rather than equivalence. Both drugs are prescription-only, so a licensed provider must authorize use.

Adverse event totals above are pulled from the FDA's Adverse Event Reporting System (FAERS). For these top-ranked reactions alone, cefazolin has 2,286 submissions while probenecid has 268. Those figures reflect cumulative reporting volume, not per-patient risk, so older, widely dispensed drugs typically look worse on count alone. These two drugs have a known minor interaction flagged in FDA labeling, attributed to probenecid slows down how fast your kidneys remove cefazolin from your body, causing the antibiotic to stay in your blood longer.. Serious warnings, pregnancy guidance, and contraindications can differ even when indications overlap.

A table cannot represent individual circumstances. Data here is sourced from FDA Structured Product Labels (SPL) and FAERS, both of which update as manufacturers and clinicians submit new information. This registry does not provide medical, treatment, substitution, or medication-change directions for cefazolin or probenecid.

Registry boundary: This comparison displays source-record fields and does not provide individualized medical direction.