Glycerin
Indications
Registered South African indications:
- Occasional constipation
Contraindications (ZA)
Registered South African contraindications
- Hypersensitivity to active ingredient or any of its excipients
- Do not use unless the patient to be treated is in fact constipated
Warnings & precautions
South African recommendations
Caution in the following patient groups
- Pregnancy
- Breastfeeding
- Renal impairment
- Hepatic impairment
- Elderly
- Diabetic patients
- Those at risk of dehydration
Gastrointestinal system considerations
- Glycerin should not be used in the presence of abdominal pain, nausea or vomiting
- If a sudden change in bowel habits is noticed that has persisted for a period greater than two weeks, consult a doctor before using glycerin
- Rectal bleeding or failure to have a bowel movement after use of glycerin may indicate a serious condition. Discontinue use and consult a doctor
- Glycerin may cause rectal discomfort or a burning sensation
Duration of use
- Frequent or prolonged use of glycerin may result in dependence on laxatives and loss of normal bowel function
- Glycerin should not be used for longer than one week, except on the advice of a doctor
Effects on ability to drive and use machines
- Not known
Adult dosage (ZA)
Forms avail. in SA and covered in this monograph: sup
South African registered indications and dosages
Occasional constipation
Glycerin suppository 2.14g
- Rectal (sup): 1 sup, as a single daily dose, when necessary; Acts within 15-30mins
Hold the wide base of the suppository in the fold of a cloth. Lubricate the pointed end with petroleum jelly or moisten with water and insert well up into the rectum. Even though complete solution is not necessary for action, the suppository should be held for 5 minutes to induce a motion
FOR RECTAL USE ONLY
Paediatric dosage (ZA)
Paed. forms avail. in SA and covered in this monograph: sup
South African registered indications and dosages
Occasional constipation
Glycerin suppository 1.12g
Younger than 6 years
- Rectal (sup): 1-1.5 sup as a single daily dose, when necessary; Acts within 15-30mins
Glycerin suppository 2.14g
6 years and older
- Rectal (sup): See adult dosage
Hold the wide base of the suppository in the fold of a cloth. Lubricate the pointed end with petroleum jelly or moisten with water and insert well up into the rectum. Even though complete solution is not necessary for action, the suppository should be held for 5 minutes to induce a motion
FOR RECTAL USE ONLY
Pregnancy & lactation
Pregnancy
South African recommendations
- Caution; no information available
Breastfeeding
South African recommendations
- Caution; no information available
Fertility
South African recommendations
- No information available
Renal impairment
South African recommendations
- Caution; no information available
Hepatic impairment
South African recommendations
- Caution; no information available
Elderly
South African recommendations
- Caution; no information available
Adverse reactions
Gastrointestinal Disorders
- Rectal discomfort
- Burning sensation
Interactions
No information available
Monitoring
None routine
Mechanism of action
Glycerin acts by its osmotic properties to attract water to the lumen, thereby softening the stool and promoting bowel movement.
Dosage forms
- Suppository
Formulation
Glycerin is available in several formulations. Please note the list below gives examples of products which are available and is not necessarily comprehensive. The listing of a product does not constitute endorsement of the product by EMGuidance; likewise, failure to list a product does not imply that EMGuidance disapproves of the product. This information is put together on the basis of the National Government's Medicines Price Registry at the time of publication
Suppository (per 2.4g) 1.698ml
- Lennon-Glycerin suppositories for Adults (Aspen)
Suppository (per 1.26g) 0.891ml
- Lennon-Glycerin suppositories for infants and children (Aspen)
References
1. PI - LENNON GLYCERIN SUPPOSITORIES FOR ADULTS, PHARMACARE LIMITED - Date of registration: 03 September 1996 Downloaded online 21 May 2026 [https://medsinfoportal.sahpra.org.za/pi/aa40196e5369d08e0db6e8b3b09a4fbd.pdf] 2. PI - LENNON GLYCERIN SUPPOSITORIES FOR INFANTS AND CHILDREN, PHARMACARE LIMITED - Date of registration: 23 April 1996 Downloaded online 13 September 2024 [https://medsinfoportal.sahpra.org.za/pi/4d7326426780cff20409a08d5b772191.pdf] 3. SAIDS - Medication Check - Drug Free Sport - Glycerin supps - downloaded online 21 May 2026.pdf [https://drugfreesport.org.za/online-medication-check/] --------------------------------------------------------------------------------------------------------- OLD REFERENCES 1. SAMF_12th Edition_Page 60 2. SmPC: Glycerin Suppositories BP 4g Adult Size, Thornton & Ross Ltd: Last updated on eMC: 13 Jan 2015; Downloaded online 25 Jul 2018 https://www.medicines.org.uk/emc/medicine/25330 3. https://drive.google.com/drive/folders/0B79avTHO0H8JYmhxamtWSzV5RE0 (08/12/1995_Pharmacare_Lennon-Glycerine supp_infants and children) 4. https://drive.google.com/drive/folders/0B79avTHO0H8JYmhxamtWSzV5RE0 (08/12/1995_ Lennon-Glycerine supp_infants and children) 5. U2D: Glycerin: Drug information; Uptodate; Downloaded online; 02 Nov 2018 https://www.uptodate.com/contents/glycerin-drug-information?search=glycerin&source=panel_search_result&selectedTitle=1~148&usage_type=panel&kp_tab=drug_general&display_rank=1 6. NAPOS The Drug Database for Acute Porphyria: Glycerin; Accessed online 02 Nov 2018 http://www.drugs-porphyria.org/languages/UnitedKingdom/s1.php?l=gbr 7. South African Institute for Drug-Free Sport: Lennon Glycerin; Accessed online 02 Nov 2018 [http://www.drugfreesport.org.za/online-medication-check/] 8. PI - LENNON GLYCERIN SUPPOSITORIES FOR ADULTS, PHARMACARE LIMITED - Date of registration: 03 September 1996 Downloaded online 13 September 2024 [https://medsinfoportal.sahpra.org.za/pi/aa40196e5369d08e0db6e8b3b09a4fbd.pdf] 9. PI - LENNON GLYCERIN SUPPOSITORIES FOR INFANTS AND CHILDREN, PHARMACARE LIMITED - Date of registration: 23 April 1996 Downloaded online 13 September 2024 [https://medsinfoportal.sahpra.org.za/pi/4d7326426780cff20409a08d5b772191.pdf]
Brands & products
3 products · stale NAPPI snapshot · refreshed 5/29/2026 · 158 days oldsyrupGeneric· 2 products
from R0.72/unit| Product | Strength | Pack | Sched | SEP | Unit | Disp fee | NAPPI |
|---|---|---|---|---|---|---|---|
| Lcc-Peppermint Cough Mixture | 100 mg | 100 | S1 | R72.05 | R0.72 | R36.81 | 849413028 |
| Lcc-Peppermint Cough Mixture | 100 mg | 50 | S1 | R45.09 | R0.90 | R27.48 | 849413029 |
dropsGeneric· 1 product
from R2.82/unit| Product | Strength | Pack | Sched | SEP | Unit | Disp fee | NAPPI |
|---|---|---|---|---|---|---|---|
| Otised 15ml | - g/ml | 15 | S1 | R42.29 | R2.82 | R26.51 | 751537004 |
- Glycerin (syn. Glycerol)Lennon-Glycerin
Medical aid coverage
data not yet integrated- Comprehensive Series—
- Executive Plan—
- KeyCare Series—
- Priority Series—
- Saver Series—
Formulary scraper pending — coverage tier, co-pay and authorisation requirements will appear here once data is ingested.
- BonClassic—
- BonComprehensive—
- BonEssential—
- BonFit Select—
- BonSave—
- BonStart—
Formulary scraper pending — coverage tier, co-pay and authorisation requirements will appear here once data is ingested.
- Beryl—
- Emerald—
- Onyx—
- Ruby—
- Sapphire—
- Tanzanite One—
Formulary scraper pending — coverage tier, co-pay and authorisation requirements will appear here once data is ingested.
- Aquarium Option—
- Efficiency Option—
- Marine Option—
Formulary scraper pending — coverage tier, co-pay and authorisation requirements will appear here once data is ingested.