I Took a Fluoroquinolone
Now Something Is Very Wrong
A complete guide to understanding what's happening and what to do right now.
For ALL other symptoms: Contact your prescribing doctor immediately to discuss whether the fluoroquinolone should be stopped.
This website provides educational information only and is not medical advice, diagnosis, or treatment. Always consult a qualified healthcare professional before making decisions about medications, supplements, or treatment.
Read full Medical Disclaimer →Symptom onset can sometimes be delayed. Some patients report symptoms beginning days or even weeks after stopping the medication. If you recently completed a fluoroquinolone course and are now experiencing unusual symptoms, they may still be related to the drug.
Your Symptoms Are Real and Documented
Your symptoms have been documented in medical literature and regulatory safety reports.
If you're reading this, you probably feel:
- Terrified because something is very wrong with your body
- Confused because your symptoms don't make sense
- Dismissed because doctors say "it's not the antibiotic" or "it's just anxiety"
- Isolated because no one understands what you're experiencing
- Desperate for answers and validation
What Is Happening To You Has A Name:
Fluoroquinolone-Associated Disability (FQAD)
Also called "Fluoroquinolone Toxicity Syndrome" or being "Floxed". The FDA officially recognizes this condition with a black box warning (the most serious kind).
What To Do RIGHT NOW (First 48 Hours)
These are the most critical steps to take immediately.
Important: Document the drug name, dose, timing, and all symptoms as early as possible. This information will be essential for medical consultations and adverse event reporting.
Stop Taking The Fluoroquinolone
- Contact your doctor immediately to discuss stopping the medication. Do not take more doses without medical guidance.
- Contact your prescribing doctor and tell them about your symptoms.
- If your doctor insists you continue: Get a second opinion immediately.
- DO NOT take any remaining doses. Even one more dose may worsen symptoms.
- Save your prescription bottle/packaging. You will need this information.
Document Everything
- Drug details: Exact medication name, dose, how many doses you took
- Timeline: When symptoms started (during treatment? how many days after?)
- All symptoms: Even if they seem unrelated, write down EVERYTHING
- Severity scale: Rate each symptom 1-10 daily
- Photos: If you have visible symptoms (rashes, swelling, etc.)
Report to FDA
- Report your adverse reaction to MedWatch (FDA's reporting system)
- Online: https://www.fda.gov/medwatch
- Phone: 1-800-FDA-1088
- This helps track fluoroquinolone toxicity cases and may lead to stronger warnings
Find Your Community
- Join r/floxies on Reddit (40,000+ members who understand)
- Facebook groups for fluoroquinolone toxicity support
- You are NOT alone. Thousands are going through this.
Essential Resources
r/floxies Reddit
40,000+ members who understand
Visit CommunityFDA MedWatch
Report your adverse reaction
File ReportCrisis Line
Suicide & Crisis Lifeline
988When to Seek Urgent Medical Care
Seek emergency medical care immediately if you experience any of the following:
- •Tendon rupture: sudden pop or snap, inability to bear weight
- •Severe neurological symptoms: seizures, loss of consciousness, sudden severe confusion
- •Chest pain: possible aortic dissection (2-3x increased risk with fluoroquinolones)
- •Sudden blood pressure instability: severe drops or spikes with dizziness
- •Suicidal thoughts: call 988 (Suicide & Crisis Lifeline) or go to the emergency room
Recovery Is Possible
While this is frightening and overwhelming right now, many people do recover from fluoroquinolone toxicity. The path may be long, but healing happens. You will find support, you will learn to manage this, and things can get better.