📋 Indications & Clinical Dosage
*Urinary frequency, Urinary urgency, Urinary incontinence:*
Adult: 2 mg twice daily, reduced if not tolerated to 1 mg twice daily.
⛔ Contraindications
Urinary retention, uncontrolled narrow angle glaucoma, myasthenia gravis, severe ulcerative colitis, toxic megacolon.
⚠️ Precautions & Warnings
Bladder outlet or GI obstruction, renal or hepatic impairment, autonomic neuropathy, hiatus hernia, history of QT-interval prolongation
🔄 Drug Interactions
Potent CYP3A4 inhibitors such as azole antifungals or macrolides. Anticholinergics, muscarinic agonists, metoclopride, cisapride.
⚠️ Adverse Reactions / Side Effects
Bronchitis, chest pain, fatigue, paraesthesia, peripheral oedema, sinusitis, vertigo, weight gain, memory impairment, flushing, dry mouth, GI upset, headache,
🤰 Pregnancy & Lactation Safety
Pregnancy Risk:
Risk cannot be ruled out.
Lactation / Breastfeeding:
Contraindicated or not recommended.
📚 Official Regulatory & Clinical References
- Drug Regulatory Authority of Pakistan (DRAP): Drug Registration, S.R.O. Price Gazettes & National Essential Medicines List (NEML).
- World Health Organization (WHO): Collaborating Centre for Drug Statistics Methodology (ATC/DDD Index).
- Formulary Standards: British National Formulary (BNF) & Pakistan National Formulary (PNF) guidelines.