Antimuscarinics decrease bowel movements in pelvic MRI, and may be used for better image acquisition.
Usually, 20mg of hyoscine butylbromide IM/IV is administered prior to examination.
Contraindications
Additionally, precautions mention:
- Down syndrome
- Ulcerative colitis
- Hypertension
- Tachycardia
- Open angle glaucoma
- Pregnancy