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clarithromycin vs colchicine

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

major Known Drug Interaction

Fluconazole No Dose Adjustment Fluconazole: [see Pharmacokinetics ( 12.3 )] Anti-Gout Agents: Colchicine (in patients with renal or hepatic impairment) Contraindicated Colchicine: Colchicine is a substrate for both CYP3A and the efflux transporter, P-glycoprotein (Pgp). The dose of colchicine should be reduced when co-administered with clarithromycin in patients with normal renal and hepatic function [see Contraindications ( 4.4 ) and Warnings and Precautions ( 5.4 )] . Colchicine (in patients with normal renal and hepatic function) Use With Caution Antipsychotics: Pimozide Contraindicated...

Recommendation: Avoid this combination if you have kidney or liver issues, and ensure your doctor reduces your colchicine dose if your organs are healthy.

Drug Class
clarithromycin Macrolide Antibiotic
colchicine Anti-Gout Agent
Type
clarithromycin Prescription
colchicine Prescription
Summary
clarithromycin

Clarithromycin is an antibiotic that fights bacterial infections. It belongs to a class of drugs called macrolides.

colchicine

Colchicine is a medicine used to prevent or treat gout flares and Familial Mediterranean Fever (FMF). It works by reducing inflammation and pain.

What It Treats
clarithromycin

Clarithromycin treats mild to moderate infections caused by certain bacteria. It can treat bronchitis, sinus infections, pneumonia, and throat/tonsil infections. It also treats skin infections, ear infections in children, certain mycobacterial infections, and H. pylori infections that cause ulcers.

colchicine

Colchicine is used to prevent and treat gout flares in adults. Gout flares cause sudden, severe pain, redness, and swelling in your joints. Colchicine is also used to treat Familial Mediterranean Fever (FMF) in adults and children ages 4 and older. FMF causes recurring fevers and pain in the abdomen, chest, or joints.

How It Works
clarithromycin

Clarithromycin works by stopping the growth of bacteria. It prevents bacteria from making proteins they need to survive. This helps your body fight off the infection.

colchicine

Colchicine reduces inflammation in the body. It does this by blocking certain processes that cause swelling and pain. This helps to relieve gout flares and manage FMF symptoms.

Common Side Effects
clarithromycin
  • Abdominal pain
  • Diarrhea
  • Nausea
  • Vomiting
  • Taste changes
colchicine
  • Diarrhea
  • Abdominal pain
  • Nausea
  • Vomiting
FAERS Reports
clarithromycin
  • Drug Interaction 2,906
  • Nausea 2,214
  • Dyspnoea 1,959
  • Diarrhoea 1,937
  • Malaise 1,650
colchicine
  • Diarrhea 2,661
  • Feeling sick to your stomach 1,940
  • Feeling very tired 1,745
  • Difficulty breathing 1,466
  • Sudden damage to the kidneys 1,436
Serious Warnings
clarithromycin

Clarithromycin can cause severe allergic reactions. Stop taking it and get medical help right away if you have signs of a reaction. This medicine can also cause heart rhythm problems (QT prolongation) and liver problems. Tell your doctor if you have heart or liver issues. Clarithromycin may increase the risk of death in patients with coronary artery disease.

colchicine

Taking too much colchicine can be fatal in both adults and children. Keep this medicine out of the reach of children. Colchicine can also cause serious blood problems and muscle weakness. Certain medicines can interact with colchicine and cause life-threatening problems. Talk to your doctor about all the medicines you take.

Pregnancy
clarithromycin

Clarithromycin is not recommended during pregnancy unless there are no other options. Talk to your doctor if you are pregnant or plan to become pregnant. It is not known if clarithromycin passes into breast milk, so talk to your doctor before breastfeeding.

colchicine

Tell your doctor if you are pregnant or plan to become pregnant. Colchicine may harm your unborn baby. It is not known if colchicine passes into breast milk. Talk to your doctor about the risks and benefits of taking colchicine while breastfeeding.

Also Compare, Nearby Drugs

How to Read This clarithromycin vs colchicine Comparison

clarithromycin is classified in the Macrolide Antibiotic drug class, while colchicine sits within the Anti-Gout 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, clarithromycin has 10,666 submissions while colchicine has 9,248. 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 major interaction flagged in FDA labeling, attributed to clarithromycin blocks the enzymes and transporters that remove colchicine from your body, which can lead to toxic levels of the drug.. Serious warnings, pregnancy guidance, and contraindications can differ even when indications overlap.

A table cannot substitute for clinical judgment. Effectiveness, tolerability, drug-drug interactions with your other medications, kidney and liver function, pregnancy status, insurance formulary, and price all feed into a decision that only a licensed prescriber can make responsibly. Data here is sourced from FDA Structured Product Labels (SPL) and FAERS, both of which update as manufacturers and clinicians submit new information. This page is for educational purposes only, is not medical advice, and should not be used to self-switch between clarithromycin and colchicine - always consult your physician or pharmacist first.

Important: This comparison is for informational purposes only. Drug effects vary between individuals. Always consult your doctor or pharmacist for personalized medical advice.