Follow all directions on your prescription label and read all medication guides or instruction sheets. Use the medicine exactly as directed.
Always follow directions on the medicine label about giving  hyoscyamine to a child.
Swallow an extended-release tablet whole and do not crush, chew, or break it.
Measure liquid medicine carefully. Use the dosing syringe provided, or use a medicine dose-measuring device (not a kitchen spoon).
Remove an orally disintegrating tablet from the package only when you are ready to take the medicine. Place the tablet on your tongue and allow it to dissolve. Swallow several times as the tablet dissolves. You may drink water after the pill has completely dissolved.
Store at room temperature away from moisture and heat.
 Detailed Hyoscyamine dosage information
What happens if I miss a dose?
Take the medicine as soon as you can, but skip the missed dose if it is almost time for your next dose. Do not take two doses at one time.
What happens if I overdose?
Seek emergency medical attention or call the Poison Help line at 1-800-222-1222.
Overdose symptoms may include headache, dizziness, dry mouth, trouble swallowing, nausea, vomiting, blurred vision, hot dry skin, and feeling restless or nervous.
