Drug reference
Docusate sodium
Laxative · Laxative, Ceruminolytic agent
Also known as Dioctyl sodium sulphosuccinate, Dioctyl
LaxativeLaxative, Ceruminolytic agent
CDSCO approved
EXCRETION
—
not curated
INTERACTIONS
—
none in our sources
PREGNANCY
—
not curated
Mechanism
Docusate sodium is a softening laxative that facilitates the passage of stool by increasing the penetration of water and lipids into the faecal mass, thus softening it. It also acts as a softening agent when applied to earwax, aiding in its dislodgement and removal.
Indications
Chronic constipationAdjunct in abdominal radiological proceduresRemoval of ear wax
Dosing
- Adult
- Chronic constipation: Up to 500 mg daily in divided doses (oral); 120 mg for 1 dose (rectal). Adjunct in abdominal radiological procedures: 400 mg, to be administered with barium meal (oral); 120 mg for 1 dose (rectal). Removal of ear wax: Consult product literature (to the ear).
- Pediatric
- Chronic constipation (oral): Child 6–23 months: 12.5 mg 3 times a day; Child 2–11 years: 12.5–25 mg 3 times a day; Child 12–17 years: Up to 500 mg daily in divided doses. Chronic constipation (rectal): Child 12–17 years: 120 mg for 1 dose.
- Max dose
- 500 mg daily
Pharmacokinetics
Onset
Oral preparations act within 1–2 days; response to rectal administration usually occurs within 20 minutes.
Side effects
Common
Anal irritationContact dermatitisGranulomaPneumonia lipoidRectal discharge of drugSkin reactions (ear drops)
Related guidelines
Intra-abdominal infection
WSES · Surgery · 2017
Anticoagulant management for dental procedures
ADA_DENTAL · Dentistry · 2015
Infective endocarditis prevention
NICE · Cardiology / Dentistry · 2008
Infective endocarditis prevention
AHA · Cardiology / Dentistry · 2007
Irritable bowel syndrome
ISG · Gastroenterology · 2023
Other Laxative drugs
Ask House about Docusate sodium
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Sources: Katzung, BNF, Harriet Lane·Verified: 2026-05-10 · House clinical team