Questions and Answers
What is the brand name of Oxybutynin?
What are the indications for Oxybutynin?
What is the maximum daily dose for bladder instability with Oxybutynin?
20 mg
What are the strengths of Oxybutynin tablets available?
Signup and view all the answers
What is the mechanism of action for Oxybutynin?
Signup and view all the answers
Which of the following are side effects of Oxybutynin?
Signup and view all the answers
What are some contraindications for using Oxybutynin?
Signup and view all the answers
What category of medication is Oxybutynin classified as?
Signup and view all the answers
What precautions should be taken regarding drug interactions with Oxybutynin?
Signup and view all the answers
If a dose of Oxybutynin is missed, you should _____ it as soon as possible.
Signup and view all the answers
What should patients avoid while taking Oxybutynin?
Signup and view all the answers
Study Notes
Oxybutynin Overview
- Brand name is Ditropan; the generic name is Oxybutynin.
Indications
- Effective for bladder instability due to uninhibited or reflex neurogenic bladder.
- Treats overactive bladder characterized by urge incontinence, urgency, and frequency.
Dosing Guidelines
- For bladder instability: Administer one 5 mg immediate release (IR) tablet 2-3 times daily, with a maximum of 20 mg per day.
- For overactive bladder: Start with 5 mg extended release (ER) tablet daily; may increase weekly to a maximum of 30 mg.
Available Strengths and Formulations
- Tablets available in 5 mg strength.
- Extended release tablets come in 5 mg, 10 mg, and 15 mg.
- Syrup formulation: 5 mg/5 mL.
- Also offered as a topical patch.
Medication Class
- Classified as a urinary bladder modifier.
Pharmacology
- Works by inhibiting muscarinic acetylcholine action on smooth muscle.
- Relaxes bladder smooth muscle, reducing urgency, frequency, urinary leakage, and dysuria.
Drug Interactions
- Can reduce the effectiveness of phenothiazines and haloperidol.
- Risk of tardive dyskinesia when combined with haloperidol.
- May exhibit additive effects with other anticholinergic agents.
- No medications classified as risk X/D.
Side Effects
- Common side effects include dry mouth and drowsiness.
- Other adverse effects: nausea, confusion, agitation, blurred vision, diarrhea.
Contraindications
- Not suitable for patients with uncontrolled narrow-angle glaucoma, urinary retention, gastric retention, or impaired hepatic/renal function.
- Caution in those with gastrointestinal obstruction, ulcerative colitis, intestinal atony, myasthenia gravis.
- Pregnant patients fall under Category B.
- Risk of heat prostration in hot environments.
Patient Counseling
- Advise avoidance of prolonged exposure to heat.
- Inform about potential drowsiness; caution when using machinery or requiring mental focus.
- Store medication in a cool, dry place, away from sunlight and children.
- If a dose is missed, take as soon as possible but skip if near the next scheduled dose; do not double doses.
- Contact a physician if side effects are severe or persistent.
- Instruct to swallow ER tablets whole; do not crush, split, or chew.
- ER tablet shells may appear intact in stool.
Studying That Suits You
Use AI to generate personalized quizzes and flashcards to suit your learning preferences.
Description
Test your knowledge on Oxybutynin with these flashcards. The quiz covers brand names, generic names, indications, and dosing information related to this medication. Perfect for students and healthcare professionals looking to enhance their understanding of pharmacology.
