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Castor Oil

Dosage form
LIQUID
Labeler
Old East Main Co.
Label updated
2026-03-12
Retrieved
2026-09-07
Active ingredients
CASTOR OIL
View original label and images on DailyMed ↗
Active ingredient

Castor oil USP 100%

Purpose

Stimulant laxative

Use

For relief of occasional constipation (irregularity).  Generally produces bowel movement in 6 to 12 hours.

Warnings

for this product

Do not use

for a period longer than 1 week

Ask a doctor before use if you have
  • abdominal pain, nausea, or vomiting
  • noticed a sudden change in bowel habits that persists over a period of 2 weeks
Ask a doctor or pharmacist before use if you are

taking any other drug.  Take this product 2 or more hours before or after other drugs.  Laxatives may affect how other drugs work.

Stop use and ask a doctor

If you have rectal bleeding or failure to have a bowel movement after use.  These could be signs of a serious condition.

If pregnant or breast-feeding,

ask a health professional before use.

Keep out of reach of children.

In case of overdose, get medical help or contact a Poison Control Center right away.

Directions
  • Adults and children over 12 years of age: 1 to a maximum of 4 Tablespoons (15 to 60 mL) in a single daily dose
  • children 2 to under 12 years of age: 1 to a maximum of 3 teaspoons (5 to 15 mL) in a single daily dose
  • children under 2 years of age: do not use, consult a doctor
Other Information

keep tightly closed, away from excessive heat.

Inactive Ingredients

none

ADVERSE REACTION

Distributed By Old East Main Co.

100 Mission Ridge, Goodlettsville, TN 37072 

Princiapl panel display

Since 1903 Rexall™

Castor Oil U.S.P.

Stimulant laxative

For relief of occasional constipation

SEALED WITH PRINTED NECKBAND FOR YOUR PROTECTION

4 FL OZ (118 mL)

[Image in the official label — see DailyMed source]

[Image in the official label — see DailyMed source]

DailyMed Set ID: a1ca668a-3bf9-46a9-8a4f-5cb61547bb81 · Version 16
NDC: 55910-979