Hyperacidity, GERD, and ulcers:

Indications for: BENTYL INJECTION

Irritable bowel syndrome.

Adult Dosage:

Give by IM route only. 10–20mg four times daily for max 1–2 days when oral therapy is not feasible.

Children Dosage:

<6mos: see Contraindications. ≥6mos: consult manufacturer.

BENTYL INJECTION Contraindications:

Glaucoma. Unstable cardiovascular status. GI or urinary tract obstruction. Severe ulcerative colitis. Myasthenia gravis. Reflux esophagitis. Children <6months of age. Nursing mothers.

BENTYL INJECTION Warnings/Precautions:

Inj: avoid IV administration (may cause thrombosis, inj site reactions). Autonomic neuropathy. Hepatic or renal impairment. Cardiovascular disease. Hypertension. Hyperthyroidism. Salmonella dysentery. Toxic megacolon. Ulcerative colitis. GI or GU obstruction. High environmental temperature. Diarrhea. Elderly. Debilitated. Pregnancy (Cat.B).

BENTYL INJECTION Classification:



Antacids may inhibit absorption; avoid. May antagonize anti-glaucoma agents or drugs that alter GI motility (eg, metoclopramide). Antagonized by agents used to treat achlorhydria and those used to test gastric secretion. Additive anticholinergic effects with other anticholinergics, narcotic analgesics, type I antiarrhythmics, antihistamines, antipsychotics, tricyclics, amantadine, benzodiazepines, MAOIs, nitrites, nitrates, sympathomimetics. May affect absorption of sust rel dosage forms.

Adverse Reactions:

Dizziness, dry mouth, blurred vision, nausea, somnolence, asthenia, and nervousness; cardiovascular and CNS symptoms (eg, psychosis, delirium). Fatal reactions have occurred in infants.


Formerly known under the brand name Bentyl.

How Supplied:

Caps, tabs, syrup—contact supplier; Amps (2mL)—5