Dicycloverine
Also sold as: Merbentyl, Bentyl
Prescription neededStomach cramps
Comes as:TabletSyrup
Usual adult dose
Usual adult dose: 10 to 20 mg three times a day, before meals. Not for babies under 6 months.
Your doctor may give you a different dose. Children's doses depend on weight.
Side effects
Common
- dry mouth
- dizziness
- blurred vision
- drowsiness
- constipation
Serious — get help
Stop taking it and see a doctor straight away if you notice:
- confusion
- fast or irregular heartbeat
- inability to pass urine
- breathing problems in babies
Do not take it, or take care, if
- Babies under 6 months
- Narrow-angle glaucoma
- Enlarged prostate or difficulty passing urine
- Bowel blockage, severe ulcerative colitis or myasthenia gravis
- Breastfeeding
Interactions
Medicines that can react with this one.
Moderate2 medicinesTake together only with care. Ask your doctor or pharmacist.
- Amitriptyline
Both have anticholinergic effects; more dry mouth, constipation, confusion and urine retention.
- Metoclopramide
They have opposite effects on the gut and can cancel each other out.