- 13-Muscle relaxants:
- Baclofen (Lioresal)
- Cyclobenzaprine (Flexeril)
- 14-Anticholinergics:
- Oxybutynin (Ditropan)
- Tolterodine (Detrol)
- 15-Antihypertensives (Calcium channel blockers):
- Diltiazem (Cardizem)
- Verapamil (Calan)
- 16-Proton pump inhibitors (PPIs):
- Omeprazole (Prilosec)
- Esomeprazole (Nexium)