Suppository for constipation. Bisacodyl BP 10mg- Suppisitory. Dosage: Short-term treatment for constipation: Adults and children over 10 years: 1 - 2 coated tablets (5 - 10 mg) daily before bedtime, or 1 suppository (10 mg) for immediate effect. For preparation of diagnostic procedures and preoperatively: Should only be used under medical supervision. Adults and children over 10 years: 2 coated tablets (10 mg) in the morning and 2 coated tablets (10 mg) in the evening and 1 suppository on the following morning is recommended.