ZINC AND CASTOR OIL CREAM
CASTOR OIL; ZINC
What it does
Castor is a natural substance derived from the seeds of the castor bean plant, often used for its health benefits.
Commonly used for: constipation, skin conditions, inducing labor (in pregnant women)
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Sourcing - Kenya onlyRegistration & product details
Source: Medicines Control Authority of Zimbabwe · fetched 2026-04-18 08:22:12 · updated 2026-09-30 04:30:11
About this medicine
Castor is a natural substance derived from the seeds of the castor bean plant, often used for its health benefits.
What it treats
- constipation
- skin conditions
- inducing labor (in pregnant women)
How it works
Castor works by stimulating the intestines to promote bowel movements and has moisturizing properties for the skin.
Who it's for
Castor is suitable for adults and may be used in specific situations by pregnant women under medical supervision.
Cautions
- • Do not use if allergic to castor or its components.
- • Should be used carefully in pregnant women and only under medical guidance.
AI-assisted summary grounded in BNF data - general information only, not medical advice. Always confirm with your pharmacist or doctor.
Clinical monograph: castor
Castor is derived from the seeds of the Ricinus communis plant, commonly known as castor bean. It is primarily known for its oil, which has been used for centuries for its laxative properties and as a lubricant. The oil contains ricinoleic acid, which is responsible for its therapeutic effects. Castor oil is often employed in various formulations to treat constipation, induce labor, and as a topical agent for skin conditions.
Indications
- Constipation
- Labor induction
- Topical treatment for skin conditions
Dosage
Children: Refer to the BNF for Children for appropriate pediatric dosing guidelines, as no specific doses are provided.
Adults: Refer to specific guidelines for adult dosing based on the formulation used and the condition being treated, as no standardized dose is provided.
Mechanism of action
Ricinoleic acid, the main active component of castor oil, acts as a stimulant laxative. It works by increasing the peristaltic movement of the intestines, which aids in the evacuation of stool. Additionally, it may inhibit the absorption of water in the intestines, resulting in softer stools. The oil is also believed to have anti-inflammatory properties, which can be beneficial in treating certain skin conditions.
Pharmacodynamics
The pharmacodynamic properties of castor oil include its ability to stimulate intestinal motility and increase the secretion of intestinal fluids. This leads to a faster transit time for stool through the bowel. In topical applications, castor oil exhibits emollient and moisturizing effects, promoting healing and soothing irritated skin. Its anti-inflammatory effects may also contribute to the reduction of swelling and pain in inflamed tissues.
Pharmacokinetics
Castor oil is absorbed in the gastrointestinal tract, where it is metabolized to ricinoleic acid. The onset of action for its laxative effect typically occurs within 2 to 6 hours after oral administration. The duration of action varies, but effects usually last for several hours. When applied topically, castor oil penetrates the skin and may provide localized effects without significant systemic absorption.
Adverse effects
- Abdominal cramps
- Diarrhea
- Nausea
- Vomiting
- Dehydration
Precautions
- Use with caution in patients with gastrointestinal disorders
- Not recommended for prolonged use
- Monitor for signs of dehydration
Pregnancy
Castor oil is generally not recommended during pregnancy due to potential uterine contractions and risk of premature labor.
Breast-feeding
Castor oil should be used with caution during breastfeeding as it may cause gastrointestinal discomfort in nursing infants.
Storage
Store in a cool, dry place, away from direct sunlight.
Formulations
- Liquid
- Capsules
AI-synthesized from BNF references - general information only, not a substitute for professional medical advice or the current BNF. Verify doses with a pharmacist.
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