Medication Guide App

Senna Dosage

This dosage information may not include all the information needed to use Senna safely and effectively. See additional information for Senna.

The information at Drugs.com is not a substitute for medical advice. ALWAYS consult your doctor or pharmacist.

Usual Adult Dose for:

Usual Pediatric Dose for:

Additional dosage information:

Usual Adult Dose for Bowel Preparation

Oral:
Syrup:
8.8 mg/5 mL:
10 to 15 mL (17.6 to 26.4 mg) orally once a day, not to exceed 15 mL (26.4 mg) twice a day

176 mg/5 mL:
10 to 15 mL (352 to 528 mg) orally once a day, not to exceed 15 mL (528 mg) twice a day

Tablets:
8.6 mg:
2 tablets (17.2 mg) orally at bedtime, not to exceed 4 tablets (34.4 mg) twice a day

17.2 mg:
1 tablet (17.2 mg) orally at bedtime, not to exceed 2 tablets (34.4 mg) twice a day

25 mg:
2 tablets (50 mg) orally once or twice a day

17 mg:
1 tablet (17 mg) orally, not to exceed 2 tablets (34 mg) twice a day

15 mg:
2 tablets (30 mg) orally once or twice a day

Usual Adult Dose for Constipation

Oral:
Syrup:
8.8 mg/5 mL:
10 to 15 mL (17.6 to 26.4 mg) orally once a day, not to exceed 15 mL (26.4 mg) twice a day

176 mg/5 mL:
10 to 15 mL (352 to 528 mg) orally once a day, not to exceed 15 mL (528 mg) twice a day

Tablets:
8.6 mg:
2 tablets (17.2 mg) orally at bedtime, not to exceed 4 tablets (34.4 mg) twice a day

17.2 mg:
1 tablet (17.2 mg) orally at bedtime, not to exceed 2 tablets (34.4 mg) twice a day

25 mg:
2 tablets (50 mg) orally once or twice a day

17 mg:
1 tablet (17 mg) orally, not to exceed 2 tablets (34 mg) twice a day

15 mg:
2 tablets (30 mg) orally once or twice a day

Usual Pediatric Dose for Bowel Preparation

Oral:
10 to 20 mg/kg/dose orally at bedtime, not to exceed 872 mg

Tablets:
8.6 mg:
2 to less than 6 years: 1/2 tablet (4.3 mg) orally at bedtime, not to exceed 1 tablet (8.6 mg) twice a day
6 to less than 12 years: 1 tablet (8.6 mg) orally at bedtime, not to exceed 2 tablets (17.2 mg) twice a day
12 to less than 18 years: 2 tablets (17.2 mg) orally at bedtime, not to exceed 4 tablets (34.4 mg) twice a day

17.2 mg:
6 to less than 12 years: 1/2 tablet (8.6 mg) orally at bedtime, not to exceed 1 tablet (17.2 mg) twice a day
12 to less than 18 years: 1 tablet (17.2 mg) orally at bedtime, not to exceed 2 tablets (34.4 mg) twice a day

25 mg:
6 to less than 12 years: 1 tablet (25 mg) orally once or twice a day
12 to less than 18 years: 2 tablets (50 mg) orally once or twice a day

17 mg:
6 to less than 12 years: 1/2 tablet (8.5 mg) orally, not to exceed 1 tablet (17 mg) twice a day
12 to less than 18 years: 1 tablet (17 mg) orally, not to exceed 2 tablets (34 mg) twice a day

15 mg:
6 to less than 12 years: 1 tablet (15 mg) orally once or twice a day
12 to less than 18 years: 2 tablets (30 mg) orally once or twice a day

Syrup:
8.8 mg/5 mL:
2 to less than 6 years: 2.5 to 3.75 mL (4.4 to 6.6 mg) orally once a day, not to exceed 3.75 mL (6.6 mg) twice a day
6 to less than 12 years: 5 to 7.5 mL (8.8 to 13.2 mg) orally once a day, not to exceed 7.5 mL (13.2 mg) twice a day
12 to less than 18 years: 10 to 15 mL (17.6 to 26.4 mg) orally once a day, not to exceed 15 mL (26.4 mg) twice a day

176 mg/5 mL:
2 to less than 6 years: 2.5 to 3.75 mL (87.5 to 132 mg) orally once a day, not to exceed 3.75 mL (132 mg) twice a day
6 to less than 12 years: 5 to 7.5 mL (176 to 263.5 mg) orally once a day, not to exceed 7.5 mL (263.5 mg) twice a day
12 to less than 18 years: 10 to 15 mL (352 to 528 mg) orally once a day, not to exceed 15 mL (528 mg) twice a day

Liquid:
33.3 mg/mL:
2 to 6 years: 5 to 10 mL (166.5 to 333 mg) orally 1 to 2 times a day
6 to 15 years: 10 to 15 mL (333 to 499.5 mg) orally 1 to 2 times a day

Strips:
8.6 mg:
2 to 6 years: 1 strip (8.6 mg) orally per day, not to exceed 2 strips (17 mg) per day
6 to 12 years: 2 strips (17 mg) orally per day, not to exceed 4 (68 mg) strips per day

Usual Pediatric Dose for Constipation

Oral:
10 to 20 mg/kg/dose orally at bedtime, not to exceed 872 mg

Tablets:
8.6 mg:
2 to less than 6 years: 1/2 tablet (4.3 mg) orally at bedtime, not to exceed 1 tablet (8.6 mg) twice a day
6 to less than 12 years: 1 tablet (8.6 mg) orally at bedtime, not to exceed 2 tablets (17.2 mg) twice a day
12 to less than 18 years: 2 tablets (17.2 mg) orally at bedtime, not to exceed 4 tablets (34.4 mg) twice a day

17.2 mg:
6 to less than 12 years: 1/2 tablet (8.6 mg) orally at bedtime, not to exceed 1 tablet (17.2 mg) twice a day
12 to less than 18 years: 1 tablet (17.2 mg) orally at bedtime, not to exceed 2 tablets (34.4 mg) twice a day

25 mg:
6 to less than 12 years: 1 tablet (25 mg) orally once or twice a day
12 to less than 18 years: 2 tablets (50 mg) orally once or twice a day

17 mg:
6 to less than 12 years: 1/2 tablet (8.5 mg) orally, not to exceed 1 tablet (17 mg) twice a day
12 to less than 18 years: 1 tablet (17 mg) orally, not to exceed 2 tablets (34 mg) twice a day

15 mg:
6 to less than 12 years: 1 tablet (15 mg) orally once or twice a day
12 to less than 18 years: 2 tablets (30 mg) orally once or twice a day

Syrup:
8.8 mg/5 mL:
2 to less than 6 years: 2.5 to 3.75 mL (4.4 to 6.6 mg) orally once a day, not to exceed 3.75 mL (6.6 mg) twice a day
6 to less than 12 years: 5 to 7.5 mL (8.8 to 13.2 mg) orally once a day, not to exceed 7.5 mL (13.2 mg) twice a day
12 to less than 18 years: 10 to 15 mL (17.6 to 26.4 mg) orally once a day, not to exceed 15 mL (26.4 mg) twice a day

176 mg/5 mL:
2 to less than 6 years: 2.5 to 3.75 mL (87.5 to 132 mg) orally once a day, not to exceed 3.75 mL (132 mg) twice a day
6 to less than 12 years: 5 to 7.5 mL (176 to 263.5 mg) orally once a day, not to exceed 7.5 mL (263.5 mg) twice a day
12 to less than 18 years: 10 to 15 mL (352 to 528 mg) orally once a day, not to exceed 15 mL (528 mg) twice a day

Liquid:
33.3 mg/mL:
2 to 6 years: 5 to 10 mL (166.5 to 333 mg) orally 1 to 2 times a day
6 to 15 years: 10 to 15 mL (333 to 499.5 mg) orally 1 to 2 times a day

Strips:
8.6 mg:
2 to 6 years: 1 strip (8.6 mg) orally per day, not to exceed 2 strips (17 mg) per day
6 to 12 years: 2 strips (17 mg) orally per day, not to exceed 4 (68 mg) strips per day

Renal Dose Adjustments

Data not available

Liver Dose Adjustments

Data not available

Precautions

Senna is not recommended when abdominal pain, nausea, or vomiting, or a sudden change in bowel habits are present. Long-term administration of senna is not recommended for the treatment of chronic constipation. Rectal bleeding or failure to have a bowel movement after senna use may indicate a serious underlying gastrointestinal condition, and warrants discontinuation of therapy and evaluation.

Case reports of severe diaper rash, blisters, and skin sloughing have been reported in pediatric patients who were administered suppositories. These effects have been more prevalent in children wearing diapers. Prompt changing of diapers, frequent cleansing of perianal area, and application of barrier ointment may help reduce the incidence and severity.

Dialysis

Data not available

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