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delafloxacin vs moxifloxacin

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

Drug Class
delafloxacin Fluoroquinolone Antibiotic
moxifloxacin Fluoroquinolone Antibiotic
Type
delafloxacin Prescription
moxifloxacin Prescription
Summary
delafloxacin

Baxdela is an antibiotic that fights bacteria in your body. It is used to treat certain skin infections and pneumonia.

moxifloxacin

Moxifloxacin is an antibiotic that fights bacteria in your body. It is used to treat different types of infections.

What It Treats
delafloxacin

Baxdela treats acute bacterial skin infections and skin structure infections in adults. It can treat infections caused by bacteria like Staphylococcus aureus (including MRSA), Streptococcus, and others. Baxdela also treats community-acquired bacterial pneumonia in adults, caused by bacteria like Streptococcus pneumoniae, Klebsiella pneumoniae, and others.

moxifloxacin

Moxifloxacin treats infections like pneumonia, skin infections, and infections in your stomach area. It can also treat sinus infections, bronchitis, and plague. This medicine should only be used to treat infections that are proven or very likely to be caused by bacteria that it can kill.

How It Works
delafloxacin

Baxdela belongs to a class of drugs called fluoroquinolones. It works by stopping bacteria from multiplying. This helps your body fight off the infection.

moxifloxacin

Moxifloxacin belongs to a class of drugs called fluoroquinolones. It works by stopping bacteria from multiplying. This helps your body fight off the infection.

Common Side Effects
delafloxacin
  • Nausea
  • Diarrhea
  • Headache
  • Changes in liver enzyme tests
  • Vomiting
moxifloxacin
  • Nausea
  • Diarrhea
  • Headache
  • Dizziness
FAERS Reports
delafloxacin

No adverse event reports.

moxifloxacin
  • Off Label Use 1,369
  • Drug Ineffective 1,347
  • Dyspnoea 1,224
  • Pneumonia 1,142
  • Vomiting 1,101
Serious Warnings
delafloxacin

Baxdela has a boxed warning. It can cause serious side effects like tendon problems, nerve damage, and central nervous system problems. It can also make muscle weakness worse if you have myasthenia gravis. Stop taking Baxdela right away if you have any of these side effects.

moxifloxacin

Moxifloxacin can cause serious side effects, even if they don't happen to everyone. These include tendon problems, nerve damage, and central nervous system problems. If you have myasthenia gravis, moxifloxacin can make your muscle weakness worse. If you experience any of these serious side effects, stop taking moxifloxacin immediately and talk to your doctor. Because of these risks, moxifloxacin should only be used when other treatment options are not available for sinus infections or bronchitis.

Pregnancy
delafloxacin

It is not known if Baxdela will harm your unborn baby. Talk to your doctor if you are pregnant or plan to become pregnant. It is also not known if Baxdela passes into breast milk. Talk to your doctor about the best way to feed your baby if you take Baxdela.

moxifloxacin

Talk to your doctor if you are pregnant or plan to become pregnant. Moxifloxacin may harm your unborn baby. It is not known if moxifloxacin passes into breast milk, so talk to your doctor if you are breastfeeding.

Also Compare — Nearby Drugs

How to Read This delafloxacin vs moxifloxacin Comparison

delafloxacin is classified in the Fluoroquinolone Antibiotic drug class, while moxifloxacin sits within the Fluoroquinolone Antibiotic class. Because both drugs share the same classification, they are often considered interchangeable in theory — but clinical outcomes rarely track that cleanly. 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, delafloxacin has 0 submissions while moxifloxacin has 6,183. Those figures reflect cumulative reporting volume — not per-patient risk — so older, widely dispensed drugs typically look worse on count alone. No direct interaction between these two drugs is listed in our FDA-derived dataset, though co-prescription still warrants pharmacist review. 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 delafloxacin and moxifloxacin — 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.