ciprofloxacin vs leflunomide
PlainMeds reviewed this comparison against our methodology in August 2026. It places FDA and CMS record fields side by side, without recommending either medication.
Side-by-side comparison of ciprofloxacin and leflunomide. 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
In patients taking leflunomide, exposure of drugs which are OAT3 substrates (e.g., cefaclor, cimetidine, ciprofloxacin, penicillin G, ketoprofen, furosemide, methotrexate, zidovudine) may be increased.
Cipro
Arava
Ciprofloxacin eye drops are an antibiotic medicine. They treat bacterial infections in the eye.
Leflunomide is a drug that can help reduce the symptoms of rheumatoid arthritis. It works by slowing down the body's immune system.
These eye drops treat corneal ulcers and conjunctivitis (pink eye) caused by certain bacteria. Corneal ulcers are open sores on the eye. Conjunctivitis is an infection that makes the eye red and swollen.
Leflunomide treats active rheumatoid arthritis in adults. Rheumatoid arthritis is a disease that causes pain, swelling, and stiffness in the joints. This medicine can help reduce these symptoms.
Ciprofloxacin is a fluoroquinolone antibiotic. It stops bacteria from growing and multiplying. This helps your body fight off the infection.
Leflunomide is a pyrimidine synthesis inhibitor. This means it blocks a certain process in your body. By blocking this process, it can reduce inflammation and slow down the damage to your joints.
- • Burning or discomfort in the eye
- • White crystal-like build-up in the eye
- • Diarrhea
- • Respiratory infection
- • Nausea
- • Headache
- • Rash
- Drug Hypersensitivity 5,673
- Pain 5,587
- Fatigue 5,503
- Diarrhoea 5,326
- Nausea 5,298
- Rheumatoid Arthritis 24,923
- Pain 20,055
- Arthralgia 16,941
- Joint Swelling 15,567
- Fatigue 15,384
Do not inject this medicine into your eye. Some people have had very bad allergic reactions, even after the first dose. Get emergency help right away if you have trouble breathing, pass out, or have swelling of the face, throat, or tongue.
This drug can cause serious harm to an unborn baby. If you are pregnant or could become pregnant, you should not take this medicine. This drug can also cause serious liver problems. If you have liver problems, you should not take this medicine. Your doctor will monitor your liver with blood tests.
Tell your doctor if you are pregnant, plan to become pregnant, or are breastfeeding. It is not known if ciprofloxacin eye drops will harm an unborn baby. It is also not known if ciprofloxacin passes into breast milk.
Do not take leflunomide if you are pregnant. It can cause birth defects. If you are breastfeeding, you should stop while taking this medicine.
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How to Read This ciprofloxacin vs leflunomide Comparison
ciprofloxacin is classified in the Fluoroquinolone Antibiotic drug class, while leflunomide sits within the Disease-Modifying Antirheumatic Drug (DMARD) 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, ciprofloxacin has 27,387 submissions while leflunomide has 92,870. 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 leflunomide interferes with the proteins that help clear ciprofloxacin from your system. this can lead to higher levels of the antibiotic in your body.. 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 ciprofloxacin or leflunomide.
Registry boundary: This comparison displays source-record fields and does not provide individualized medical direction.