Prescription medication · Neuromuscular Blocker

botulinum toxin A

Also sold as Botox. Botox can treat overactive bladder with symptoms like needing to go often, feeling a strong urge, and leaking urine.

Data updated 2026-05-15

Rx
Availability

botulinum toxin A (Botox) is a prescription Neuromuscular Blocker. Botox can treat overactive bladder with symptoms like needing to go often, feeling a strong urge, and leaking urine.

Botox is a drug that blocks nerve signals to muscles. It is used to treat a variety of conditions, including overactive bladder, chronic migraines, and muscle spasticity.

Verify with FDA → · CMS NADAC pricing →

Compare with Another Drug →

What it does

Botox can treat overactive bladder with symptoms like needing to go often, feeling a strong urge, and leaking urine.

Common side effects

Urinary tract infection, Pain when urinating, Inability to fully empty the bladder

Key warnings

Botox can cause the toxin's effects to spread beyond the injection site.

The sections below are summarized in plain English from botulinum toxin A's FDA-approved prescribing information. They describe what the official label says, and are not personal medical advice.

How It Works

Botox works by blocking the release of a chemical called acetylcholine. This chemical tells muscles to contract. By blocking acetylcholine, Botox prevents muscles from contracting.

Serious Warnings

Botox can cause the toxin's effects to spread beyond the injection site. This can cause muscle weakness, trouble seeing, drooping eyelids, trouble swallowing or breathing, voice changes, difficulty speaking clearly, and loss of bladder control. Swallowing and breathing problems can be life-threatening, and there have been reports of death. Seek medical care right away if you have any of these symptoms.

Common Questions

What should I tell my doctor before using Botox?
Tell your doctor if you have allergies, neuromuscular disorders, breathing problems, or any other medical conditions.
Can I drive after getting Botox?
Botox can cause blurred vision or muscle weakness, so use caution when driving or operating machinery.
How long does Botox last?
The effects of Botox usually last for 3-6 months.
What if I have an allergic reaction to Botox?
Seek immediate medical attention if you experience hives, swelling, or difficulty breathing.
Can Botox interact with other medications?
Yes, Botox can interact with aminoglycosides, muscle relaxants, and anticholinergic drugs. Tell your doctor about all medications you take.
What happens if I get too much Botox?
Overdosing on Botox can cause widespread muscle weakness, breathing difficulties, and other serious symptoms. Seek immediate medical attention.
Is Botox the same as Botox Cosmetic?
Yes, Botox and Botox Cosmetic contain the same active ingredient but are approved for different uses.
What if I have a urinary tract infection?
You should not receive Botox injections into your bladder if you have a urinary tract infection.
What if I cannot empty my bladder fully?
You should not receive Botox injections into your bladder if you cannot empty your bladder fully, unless you regularly use a catheter.
Who makes Botox?
Botox is made by AbbVie.
What are the common side effects of botulinum toxin A?
The registry lists Urinary tract infection, Pain when urinating, Inability to fully empty the bladder, Neck pain, Headache among the most-reported FAERS reaction terms for botulinum toxin A. These counts are not an individual symptom assessment.
What drug class is botulinum toxin A?
botulinum toxin A belongs to the Neuromuscular Blocker drug class. It requires a prescription (Rx). Botox can treat overactive bladder with symptoms like needing to go often, feeling a strong urge, and leaking urine.
What pregnancy or breastfeeding source fields are listed for botulinum toxin A?
The FDA label for botulinum toxin A contains product-specific pregnancy or breastfeeding language. PlainMeds does not apply that source text to an individual.

Related Medications in Neuromuscular Blocker

Other drugs grouped near botulinum toxin A - same-class peers and common alternatives.

baclofen

Lioresal, Gablofen

Baclofen is a muscle relaxant.

Compare with botulinum toxin A →

carisoprodol

Soma

Carisoprodol is a muscle relaxant.

Compare with botulinum toxin A →

chlorzoxazone

Parafon Forte

Chlorzoxazone is a muscle relaxant.

Compare with botulinum toxin A →

cyclobenzaprine

Flexeril, Amrix

Cyclobenzaprine is a muscle relaxant.

Compare with botulinum toxin A →

dantrolene

Dantrium

Dantrolene is a muscle relaxant.

Compare with botulinum toxin A →

Compare botulinum toxin A vs baclofen side-by-side →

Medication Guides

Understanding Drug Interactions

How CYP450 enzymes, inhibitors, and inducers affect your medications

Generic vs Brand Name Drugs

FDA requirements, cost savings, and when the difference matters

Narrow Therapeutic Index Drugs

FDA bioequivalence and label-record context for narrow therapeutic index medicines

Common Drug Interactions

Dangerous medication combinations and how to protect yourself

Save on botulinum toxin A

Compare prices and find discounts at pharmacies near you. Free coupons can save up to 80% on prescriptions.

Check Prices on GoodRx →

Disclosure: This link may earn us a commission at no extra cost to you. See our terms.

What the FDA Data Shows for botulinum toxin A

The FDA label for botulinum toxin A (sold under brand names such as Botox) classifies it as a prescription-only medication in the Neuromuscular Blocker class. Botox can treat overactive bladder with symptoms like needing to go often, feeling a strong urge, and leaking urine. Official labeling lists 15 commonly reported side effects, including Urinary tract infection, Pain when urinating, Inability to fully empty the bladder.

Post-market surveillance from the FDA Adverse Event Reporting System (FAERS) captures real-world experience. Voluntary reports accumulate over the lifetime of a drug and reflect wide-ranging clinical use. Interaction data is drawn directly from FDA-approved prescribing information. Acquisition-cost data is surveyed weekly by CMS and updated as manufacturers report changes.

Report counts do not establish causation, a FAERS entry documents a temporal association, not proof that the drug produced the outcome. Widely prescribed medications naturally accumulate more reports than niche therapies, so raw totals must be interpreted alongside total exposure. Shortage status, recall history, and patent information are separate source-record fields. This page is a public FDA/CMS registry and does not provide medical, treatment, substitution, or medication-change directions.

Data Sources

Drug labeling: FDA Drug Labels (SPL/DailyMed). Adverse events: FDA Adverse Event Reporting System (FAERS).

FAERS reports are voluntary and do not establish causation. Drug interactions are derived from FDA labeling and clinical references. This registry does not provide medication decisions.

Last updated: November 18, 2023

PlainMeds is rendered directly from FDA openFDA/FAERS extracts, DailyMed labels, and CMS drug-pricing files, no number is typed in by an editor. FAERS counts, recalls, shortages, and price figures on this page are queried live from those federal extracts. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of 2026-05-15. Primary sources: openFDA / FAERS, DailyMed and CMS Part B ASP.

Read our methodology - how this data is sourced, computed, and verified.

Data currency: FDA FAERS adverse-event reports through 2025, CMS NADAC acquisition-cost pricing effective December 2024, compiled from the source snapshot dated . See our methodology for per-source dates and refresh cadence. Spot a figure that looks wrong? Report a data issue.

All federal data sources used on this page