Usual Adult Dose for Bowel Preparation:
5 to 15 mg (1 to 3 tablets) orally once a day as needed or
10 mg (1 suppository) rectally once a day as needed or
10 mg rectal liquid once a day as needed.
Usual Adult Dose for Constipation:
5 to 15 mg (1 to 3 tablets) orally once a day as needed or
10 mg (1 suppository) rectally once a day as needed or
10 mg rectal liquid once a day as needed.
 Detailed Dulcolax dosage information
What happens if I miss a dose?
Since Dulcolax is used when needed, it does not have a daily dosing schedule.
If you are preparing for a medical test and you miss your dose, call your doctor for instructions.
What happens if I overdose?
Seek emergency medical attention or call the Poison Help line at 1-800-222-1222, especially if anyone has accidentally swallowed a rectal suppository.
