Hyperacidity, GERD, and ulcers:

Indications for Hyoscyamine Sulfate Drops:

Adjunct in peptic ulcer. Irritable bowel syndrome. Infant colic.


1–2mL every 4 hrs or as needed; max 12mL/day.


3.4kg: 4 drops. 5kg: 5 drops. 7kg: 6 drops. 10kg: 8 drops. Older children (2 yrs–12 yrs): 0.25–1mL; max 6mL/day. All: every 4 hrs or as needed.


Glaucoma. Unstable cardiovascular status in acute hemorrhage. GI or urinary tract obstruction. Paralytic ileus, intestinal atony of elderly or debilitated patients. Toxic megacolon. Severe ulcerative colitis. Myasthenia gravis.


High environmental temperature. Diarrhea. Autonomic neuropathy. Impaired cardiac or renal function. Cardiovascular disease. Hypertension. Hyperthyroidism. Hiatal hernia with reflux esophagitis. Pregnancy (Cat.C). Nursing mothers.

See Also:

Pharmacologic Class:



Antacids may inhibit absorption. Additive anticholinergic effects with other anticholinergics, amantadine, type I antiarrhythmics, antihistamines, phenothiazines, tricyclics, MAOIs.

Adverse Reactions:

Anticholinergic effects, drowsiness.


Formerly known under the brand name Levsin Drops.

How Supplied:

Tabs, SL—100, 500; Drops—contact supplier