GLYCILAX ADULTOS SUPPOSITORIES
SpainIt is used for the relief of symptoms of occasional and transient constipation in adults and adolescents aged 12 years and older.
Frequently asked questions
How should I take Glycilax adults?
The recommended dose is 1 suppository per day, as needed or as directed by your doctor. Before insertion, the suppository should be moistened with cold water (under the tap for 30 seconds or in a glass of water for at least 10 seconds) and applied deep into the anus, attempting to avoid bowel movement so that the medication can act correctly.
When should I not use this medication?
It should not be used if you are allergic to glycerol or any of its components, if you have anorectal conditions, ulcerative colitis, or inflamed hemorrhoids, or if you experience abdominal pain of unknown cause (such as cramps, nausea, vomiting, or signs of appendicitis and intestinal obstruction). It should also not be used in children under 12 years of age.
What side effects can Glycilax adults have?
It may cause irritation, stinging, or itching in the anal area. Excessive and prolonged use could lead to irritable bowel syndrome (spasms, bloating, gas, nausea, and alternating constipation and diarrhea).
Does it interfere with other medications?
Due to its route of administration, this medication does not affect the use of other drugs.
What should I do if symptoms do not improve?
The medication should not be used for more than 7 consecutive days. If symptoms do not improve after this period, you should discontinue treatment and consult a doctor.
What should I do if I notice blood in my stool or pain?
If blood appears in the stool, or if you feel irritation or pain, you must discontinue treatment and consult a doctor.
Instructions for use
Package leaflet: Information for the user
Introduction
Package leaflet: information for the user
Glycilax adults suppositories
Glycerol
Read the entire leaflet carefully before you start using this medicine, because it contains important information for you.
Follow exactly the instructions for administration of the medicine contained in this leaflet or as indicated by your doctor or pharmacist.
- Keep this leaflet, as you may need to read it again.
- If you need advice or more information, consult your pharmacist.
- If you experience any adverse effects, consult your doctor or pharmacist, even if they are effects not listed in this leaflet. See section 4.
- You should consult a doctor if your condition worsens or if you do not improve after 7 days.
Contents of the leaflet
- What Glycilax adults is and what it is used for
- What you need to know before using Glycilax adults
- How to use Glycilax adults
- Possible adverse effects
- How to store Glycilax adults
- Contents of the pack and other information
1. What Glycilax Adults is and what it is used for
Glycerol, the active substance in this medicine, is a laxative administered rectally. The laxative effect is achieved due to glycerol's ability to soften the stools, which, together with a mild local irritant action, stimulates intestinal movements.
It is indicated for the local symptomatic relief of transient and occasional constipation in adults and adolescents aged 12 years and older.
You should consult a doctor if you do not improve after 7 days of treatment.
2. What you need to know before using Glycilax adults
Do not use Glycilax adults
- If you are allergic to glycerol or to any of the other components of this medicine (listed in section 6).
- If you have anorectal conditions, hemorrhagic rectocolitis (a type of chronic intestinal inflammation), or inflamed hemorrhoids.
- If you have cramps, colic, nausea, vomiting, or other signs of appendicitis, intestinal obstruction, acute inflammatory intestinal diseases, or, in general, any abdominal pain of unknown cause.
- In children under 12 years of age.
Warnings and precautions
Consult your doctor or pharmacist before starting to use Glycilax adults.
If blood in the stool, irritation, pain, or lack of improvement occurs, discontinue treatment and consult your doctor.
Do not use this medicine for more than 7 consecutive days, unless otherwise directed by your doctor.
This medicine should be used only under strict medical supervision in patients with serious illnesses, especially cardiovascular diseases (related to the heart or blood vessels).
Other medicines and Glycilax adults
Inform your doctor or pharmacist if you are taking, have recently taken, or might need to take any other medicines.
Due to the type of medicine and its route of administration, it does not affect the use of other medicines.
Pregnancy and breastfeeding
If you are pregnant or breastfeeding, think you might be pregnant, or are planning to become pregnant, consult your doctor or pharmacist before using this medicine.
Driving and using machines
The use of this medicine does not affect the ability to drive and/or operate machinery.
3. How to use Glycilax adults
Follow exactly the instructions for use provided in this leaflet or those given by your doctor or pharmacist. If in doubt, consult your doctor or pharmacist.
The recommended dose is 1 suppository per day, when needed, or as directed by your physician.
Once removed from the blister pack, moisten the suppository with cold water by placing it under running tap water for 30 seconds, or in a glass of water for at least 10 seconds before insertion.
The suppositories should be inserted deeply into the rectum. Delay bowel movement as much as possible to allow the medication to act effectively.
If you feel resistance during administration, stop immediately, as it may be harmful, and consult your doctor.
Do not use this medicine for more than 7 consecutive days. If symptoms do not improve, discontinue treatment and consult your doctor.
If you use more Glycilax adults than you should
Cases of poisoning are unlikely due to the nature of its use.
Abuse or prolonged use of this medicine may lead to a laxative-dependent irritable colon syndrome (symptoms or discomfort such as alternating constipation and diarrhea, intestinal spasms, bloating, nausea, and gas).
In case of overdose or accidental ingestion, contact your doctor or pharmacist immediately or call the Toxicology Information Service at telephone number 91 562 04 20, indicating the medication and the amount ingested.
4. Possible adverse effects
Like all medicines, this medicine can produce adverse effects, although not everyone will experience them.
The following adverse effects have been observed during the period of use of glycerol administered rectally as a laxative. Their frequency cannot be precisely determined:
Anal irritation, burning, or itching.
Reporting of adverse effects
If you experience any type of adverse effect, consult your doctor or pharmacist, even if it is a possible adverse effect not listed in this leaflet. You may also report them directly via the Spanish System for Pharmacovigilance of Human Medicinal Products: https://www.notificaram.es. By reporting adverse effects, you can help provide more information on the safety of this medicine.
5. Storage of Glycilax adults
Keep this medicine out of sight and reach of children.
This medicine does not require any special storage conditions.
Do not use this medicine after the expiry date which is stated on the packaging after EXP. The expiry date refers to the last day of the month indicated.
Medicines must not be disposed of via wastewater drains or household waste. Dispose of empty containers and unused medicines at the SIGRE collection point at your pharmacy. If in doubt, ask your pharmacist how to properly dispose of unused containers and medicines. This will help protect the environment.
6. Contents of the package and other information
Composition of Glycilax adults
- The active substance is glycerol. Each suppository contains 3.31 g of glycerol.
- The other components (excipients) are: stearic acid and sodium hydroxide.
Appearance of the product and contents of the package
Colourless suppositories with a smooth and shiny surface.
They are presented in aluminium/polyethylene blisters within packs containing 2 and 12 suppositories.
Only certain pack sizes may be marketed.
Marketing Authorization Holder:
Laboratorios Cinfa, S.A.
Carretera Olaz-Chipi, 10. Polígono Industrial Areta
31620 Huarte (Navarra) – Spain
Manufacturer:
Laboratorios Vilardell, S.A.
C/ Constitución, 66-68,
08980 Sant Feliu de Llobregat (Barcelona) - Spain
or
Laboratorios Cinfa, S.A.
Carretera Olaz-Chipi, 10. Polígono Industrial Areta
31620 Huarte (Navarra) - Spain
Date of the most recent revision of this package leaflet: February 2021
Detailed and up-to-date information on this medicinal product is available on the website of the Spanish Agency of Medicines and Medical Devices (AEMPS) http://www.aemps.gob.es.
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The original data is available in the language of the country of manufacture.
Data source: Online Medicines Information Centre (CIMA) — AEMPS
Data last verified: September 21, 2026