About glycerin
Osmotic laxative and humectant
Used for
- Relief of occasional constipation when taken orally.
- Also used in some oral preparations as a sweetener or moisture-retaining ingredient.
Usual adult dose
For constipation, commonly 15–30 mL by mouth once daily, mixed with water or juice; follow product labeling.
Common side effects
- Nausea or stomach discomfort
- Diarrhea
- Headache or dizziness
- Dehydration with excessive use
Important warnings
- Use only diluted as directed; concentrated glycerin may irritate the mouth and stomach.
- Avoid prolonged or excessive use, which can cause dehydration or electrolyte problems.
- Seek medical assessment for severe abdominal pain, vomiting, or persistent constipation.
- People with diabetes or kidney problems should check suitability with a clinician.
Pregnancy
Limited data are available; occasional oral use is generally considered low risk, but consult a healthcare professional before use.
Breastfeeding
No known significant concern at usual oral doses; avoid excessive use and seek professional guidance if needed.
Interactions
- May increase dehydration risk with diuretics or other laxatives.
- May affect blood glucose; use caution with diabetes medicines.
AI-generated from general medical knowledge, not from this product's official leaflet. It may be incomplete or out of date. Not medical advice — ask a pharmacist or doctor before making any decision.