How Much Senna for Constipation?

For constipation: For general constipation, the usual dose is 17.2 mg daily. Don't take more than 34.4 mg twice daily. In elderly people, 17 mg daily has been used. For constipation following pregnancy, 28 mg in 2 divided doses has been used.

How much senna should I take for constipation?

The normal dose of senna tablets for constipation in: adults and children aged 12 years and over is 1 or 2 tablets at bedtime (or 1 tablet of Senokot Max Strength) children aged between 6 and 11 years is 1 single tablet at bedtime.

How long does it take for a senna laxative to work?

Senna can take 8-12 hours to have an effect. It is best taken in the evening. If you are still constipated after taking senna for three days, make an appointment to speak with your doctor.