Adults and pediatric patients 12 years of age and older
1 to 2 mL every four hours or as directed by health care provider. Do not exceed 12 mL in 24 hours.
Pediatric patients 2 years to 12 years of age
1/4 to 1 mL every four hours or as directed by health care provider. Do not exceed 6 mL in 24 hours.
Patients less than 2 years of age
Use as directed by health care provider with a dosage administered in drops.
The package of Hyoscyamine Sulfate Oral Drops includes a dropper having markings of 3, 4, 5 DROPS, and 0.25 mL. The approximate equivalent amount of Hyoscyamine Sulfate drops (mL) and its equivalent amount of Hyoscyamine Sulfate (mg) for each marking are as follows:
Approximate Equivalent Amount
Marking on Dropper
Hyoscyamine Sulfate Oral Drops Solution (mL)
Hyoscyamine Sulfate (mg)
3 DROPS
0.08 mL
0.01 mg
4 DROPS
0.11 mL
0.01375 mg
5 DROPS
0.14 mL
0.0175 mg
0.25 mL
0.25 mL
0.03125 mg
The doses may be repeated every four hours or as needed. Dosage may be adjusted according to the severity of symptoms or as directed by a health care provider. Measure dosage very carefully.