ciprofloxacin vs duloxetine

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Side-by-side comparison of ciprofloxacin and duloxetine. 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

Other drugs that inhibit CYP1A2 metabolism include cimetidine and quinolone antimicrobials such as ciprofloxacin and enoxacin [see Warnings and Precautions (5.12) ].

Drug Class
ciprofloxacin Fluoroquinolone Antibiotic
duloxetine Serotonin-Norepinephrine Reuptake Inhibitor (SNRI)
Type
ciprofloxacin Prescription
duloxetine Prescription
Summary
ciprofloxacin

Ciprofloxacin eye drops are an antibiotic medicine. They treat bacterial infections in the eye.

duloxetine

Duloxetine is a medicine that can help treat depression and anxiety. It can also help with certain types of pain.

What It Treats
ciprofloxacin

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.

duloxetine

Duloxetine can treat major depressive disorder and generalized anxiety disorder in adults and children (7 years and older). It can also treat diabetic nerve pain, fibromyalgia, and chronic muscle or bone pain in adults. In children, it can treat fibromyalgia (13 years and older).

How It Works
ciprofloxacin

Ciprofloxacin is a fluoroquinolone antibiotic. It stops bacteria from growing and multiplying. This helps your body fight off the infection.

duloxetine

Duloxetine is a type of drug called an SNRI. It works by increasing the levels of serotonin and norepinephrine in your brain. These chemicals can help improve mood and reduce pain.

Common Side Effects
ciprofloxacin
  • Burning or discomfort in the eye
  • White crystal-like build-up in the eye
duloxetine
  • Nausea
  • Dry mouth
  • Sleepiness
  • Constipation
  • Decreased appetite
FAERS Reports
ciprofloxacin
  • Drug Hypersensitivity 5,673
  • Pain 5,587
  • Fatigue 5,503
  • Diarrhoea 5,326
  • Nausea 5,298
duloxetine
  • Fatigue 4,787
  • Nausea 4,782
  • Pain 3,697
  • Headache 3,654
  • Diarrhoea 3,262
Serious Warnings
ciprofloxacin

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.

duloxetine

Antidepressants may increase the risk of suicidal thoughts and behaviors in children, teenagers, and young adults. Watch closely for worsening depression or suicidal thoughts. Tell your doctor right away if you notice any changes in mood or behavior.

Pregnancy
ciprofloxacin

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.

duloxetine

Using duloxetine in the last month of pregnancy may cause problems in the newborn. Talk to your doctor about the risks and benefits of taking duloxetine during pregnancy. Women who stop taking antidepressants during pregnancy are more likely to experience a relapse of depression.

Also Compare, Nearby Drugs

How to Read This ciprofloxacin vs duloxetine Comparison

ciprofloxacin is classified in the Fluoroquinolone Antibiotic drug class, while duloxetine sits within the Serotonin-Norepinephrine Reuptake Inhibitor (SNRI) 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 duloxetine has 20,182. 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 ciprofloxacin blocks a liver enzyme that usually breaks down duloxetine. this can cause the amount of duloxetine in your blood to rise.. 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 duloxetine.

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