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General Medication Fact Sheet for Oxybutynin
| Field | Information |
|---|---|
| Generic Name | Oxybutynin |
| Brand Name Versions | Ditropan XL, Oxytrol (patch) |
| Purpose | Treats overactive bladder (OAB) and urinary incontinence by reducing bladder muscle spasms. |
| Mechanism of Action | Anticholinergic that relaxes bladder muscles and decreases bladder contractions. |
| Dosage Forms | Oral tablets, extended-release tablets, topical patch, topical gel |
| Available Strengths | Oral tablets: 5 mg; Extended-release tablets: 5 mg, 10 mg, 15 mg; Patch: 3.9 mg/day |
| Dosage Frequency | Oral tablets: 2-3 times daily; Extended-release tablets: Once daily; Patch: Twice weekly (every 3-4 days) |
| Common Side Effects | Dry mouth, constipation, blurred vision, dizziness, drowsiness. |
| Serious Side Effects | Severe allergic reactions (rash, itching, swelling, difficulty breathing), heat stroke (due to decreased sweating), hallucinations, urinary retention. |
| Drug Interactions | Other anticholinergics, antihistamines, certain antidepressants, MAO inhibitors, digoxin. |
| Important Notes | Use caution when driving or operating machinery due to dizziness or drowsiness. Stay hydrated to avoid constipation. Consult a doctor if you have glaucoma or urinary retention. |
| Storage | Store at room temperature away from moisture and light. |
| Missed Dose | Take as soon as you remember; skip if it’s almost time for your next dose. Do not double the dose. If using the patch, apply a new patch as soon as you remember, then change the patch on your regular schedule. |
| Alternatives | Tolterodine, Solifenacin, Fesoterodine, Mirabegron. |
Oxybutynin Alternatives
| Medication | Mechanism of Action | Notes |
|---|---|---|
| Tolterodine (Detrol) | Anticholinergic; muscarinic receptor antagonist. | Similar mechanism to oxybutynin; may have fewer side effects in some patients. |
| Solifenacin (Vesicare) | Anticholinergic; selective M3 receptor antagonist. | May be better tolerated than some older anticholinergics. |
| Fesoterodine (Toviaz) | Anticholinergic; muscarinic receptor antagonist (prodrug of desfesoterodine). | Converted in the body to an active metabolite with anticholinergic effects. |
| Mirabegron (Myrbetriq) | Beta-3 adrenergic agonist. | Relaxes the bladder muscle by a different mechanism than anticholinergics; fewer anticholinergic side effects. |
Oxybutynin Side Effects
| Common Side Effects | Serious Side Effects |
|---|---|
| Dry mouth | Severe allergic reaction (rash, itching, swelling, difficulty breathing) |
| Constipation | Heat stroke (decreased sweating) |
| Blurred vision | Hallucinations |
| Dizziness | Urinary retention (inability to empty the bladder) |
| Drowsiness | Cognitive impairment (especially in elderly patients) |
Oxybutynin Dosage Guide
| Condition | Starting Dose | Maintenance Dose | Administration Notes |
|---|---|---|---|
| Overactive Bladder (Oral Immediate Release) | 2.5 mg | 5 mg two to three times daily (maximum 30mg daily) | Take with water; can be taken with or without food. |
| Overactive Bladder (Oral Extended Release) | 5 mg | 5-30 mg once daily. | Swallow whole; do not crush, chew, or divide. |
| Overactive Bladder (Topical Patch) | 3.9 mg/day | 3.9 mg/day twice weekly (every 3-4 days) | Apply to clean, dry, intact skin on the abdomen, hip, or buttock. Rotate application sites. |
Oxybutynin Price With And Without Insurance
| Purchase Context | Estimated Price |
|---|---|
| With Insurance | $40 |
| Without Insurance (U.S.) | $50 – $120 |
| From CPS | $29.95 |
