{"ok":true,"entry":{"slug":"macrogol","kind":"medication","name":"macrogol","aliases":["polyethylene glycol 3350","Forlax","MiraLAX"],"brands_sg":["Forlax","Macrogol 4000 Strides","Fortrans"],"class":"osmotic laxative","tags":["digestive"],"use_for":"sg label: constipation in adults and children over 8","use_after":"sg label: usually a morning dose · 24–48 h to work","use_duration":null,"take_with":"healthhub: each sachet in a full glass of water","pros":["sg label: not absorbed into the bloodstream","nhs: can be taken in pregnancy and when breastfeeding","hsa: forlax is general sale list in singapore"],"cons":["sg label: not for self-treatment beyond 2 weeks","nhs: stomach ache, bloating, wind, nausea, diarrhoea","healthhub: a 2-hour gap from other medicines is needed"],"dose_note":"the singapore package insert for forlax 10 g/sachet (SIN12419P) states \"The recommended dose is one to two sachets per day, preferably taken as a single dose in the morning\" and \"The daily dose can be adjusted according to the effect obtained and may range from one sachet up to a maximum of two sachets per day\" — so two 10 g sachets, 20 g of macrogol 4000, is the adult and over-8 label maximum, and the same insert adds \"FORLAX 10 g should not be used as self-medication for more than 2 weeks\". a 4 g/sachet forlax (SIN17210P) is separately registered. in singapore the pharmacist or doctor sets the dose.","dosage":null,"ul_status":null,"sg_class":"general-sale","cautions":["kidney problems (healthhub)","inflammatory bowel disease, bowel perforation or suspected obstruction (sg label)","fructose intolerance — the sg product contains sorbitol","persistent abdominal pain, vomiting or fever during treatment (healthhub)"],"clashes":[{"src":["hh_macro_avoid","nhs_macro_mix"],"note":"healthhub asks for a two-hour gap; nhs says at least one hour before or after","with":"any other oral medicine"},{"src":["nhs_macro_mix"],"note":"nhs: macrogol can affect how some medicines for epilepsy work","with":"some epilepsy medicines"}],"sources":[{"id":"hsa_register","url":"https://data.gov.sg/datasets/d_767279312753558cbf19d48344577084/view","label":"HSA — Listing of Registered Therapeutic Products (data.gov.sg dataset d_767279312753558cbf19d48344577084), Forensicclassification column; all 5,511 rows cached at /tmp/hsa_all.json and filtered locally (never re-fetched), 4 macrogol rows, 27 Aug 2026","quote":"FORLAX POWDER FOR ORAL SOLUTION 10 g/sachet SIN12419P, FORLAX 4G/SACHET SIN17210P and Macrogol 4000 Strides SIN17331P read \"General Sale List\"; FORTRANS SIN09234P (macrogol 4000 64 g bowel prep) reads \"Pharmacy Only\". Every SG row is macrogol 4000.","accessed":"2026-08-27"},{"id":"ndf_forlax_ind","url":"https://www.ndf.gov.sg/about-drugs/product-information/sin12419p/","label":"MOH National Drug Formulary — FORLAX POWDER FOR ORAL SOLUTION 10 G/SACHET [SIN12419P], Indication (SG patient information leaflet)","quote":"Macrogol 4000 … belongs to a group of medicines called osmotic laxatives … not absorbed into the bloodstream … used for the treatment of constipation in adults and children aged 8 years and above.","accessed":"2026-08-27"},{"id":"ndf_forlax_dose","url":"https://www.ndf.gov.sg/about-drugs/product-information/sin12419p/","label":"MOH National Drug Formulary — FORLAX 10 G/SACHET [SIN12419P], How to take","quote":"The recommended dose is one to two sachets per day … may range from one sachet up to a maximum of two sachets per day … FORLAX 10 g should not be used as self-medication for more than 2 weeks.","accessed":"2026-08-27"},{"id":"ndf_forlax_class","url":"https://www.ndf.gov.sg/about-drugs/product-information/sin12419p/","label":"MOH National Drug Formulary — FORLAX 10 G/SACHET [SIN12419P], Product information block","quote":"Active Ingredient and Strength: MACROGOL 4000 (INN) - 10 G/SACHET · Forensic Classification: GENERAL SALE LIST · Anatomical Therapeutic Chemical (ATC) code A06AD15","accessed":"2026-08-27"},{"id":"ndf_forlax_contra","url":"https://www.ndf.gov.sg/about-drugs/product-information/sin12419p/","label":"MOH National Drug Formulary — FORLAX 10 G/SACHET [SIN12419P], Do not take","quote":"you should not take Forlax if you are suffering from fructose intolerance … severe intestinal disease: inflammatory bowel disease … perforation of the bowel or risk of perforation … ileus or suspicion of intestinal obstruction","accessed":"2026-08-27"},{"id":"hh_macro_howto","url":"https://www.healthhub.sg/medication-devices-and-treatment/medications/macrogol","label":"HealthHub (National Medication Information workgroup / Pharmaceutical Society of Singapore) — Macrogol: how should I take or use this medication","quote":"Macrogols are used to treat constipation. This medication may take one to two days to work … You may take this medication with or without food. Each sachet should be dissolved in a full glass of water.","accessed":"2026-08-27"},{"id":"hh_macro_prec","url":"https://www.healthhub.sg/medication-devices-and-treatment/medications/macrogol","label":"HealthHub — Macrogol: what precautions should I take","quote":"You have kidney problems … If you have any persistent abdominal pain and/or cramps, vomiting, complete inability to pass stool/gas or fever … You have fructose intolerance. This medicine contains sorbitol.","accessed":"2026-08-27"},{"id":"hh_macro_avoid","url":"https://www.healthhub.sg/medication-devices-and-treatment/medications/macrogol","label":"HealthHub — Macrogol: what food or medication should I avoid","quote":"Leave a two hour gap when taking this medicine with other medicines.","accessed":"2026-08-27"},{"id":"nhs_macro_about","url":"https://www.nhs.uk/medicines/macrogol/","label":"NHS medicines A–Z — Macrogol (reviewed 13 May 2026)","quote":"Macrogol - Common brands: Movicol, Laxido, CosmoCol. Macrogol is a laxative used to treat constipation. You can buy it from pharmacies, but some types are only available with a prescription.","accessed":"2026-08-27"},{"id":"nhs_macro_side","url":"https://www.nhs.uk/medicines/macrogol/","label":"NHS medicines A–Z — Macrogol: side effects","quote":"Common side effects of macrogol include: stomach ache; bloating; farting; feeling sick (nausea) or being sick (vomiting); diarrhoea. These side effects may get better if you reduce the dose of macrogol.","accessed":"2026-08-27"},{"id":"nhs_macro_preg","url":"https://www.nhs.uk/medicines/macrogol/","label":"NHS medicines A–Z — Macrogol: pregnancy, breastfeeding and who can take it","quote":"You can take macrogol while breastfeeding … You can take macrogol if you're pregnant … Children aged 2 to 11 years old can only have macrogol if it's prescribed.","accessed":"2026-08-27"},{"id":"nhs_macro_mix","url":"https://www.nhs.uk/medicines/macrogol/","label":"NHS medicines A–Z — Macrogol: taking macrogol with other medicines, food and drink","quote":"macrogol can affect how some medicines for epilepsy work … do not take them at the same time as macrogol. Take any other medicines at least 1 hour before or 1 hour after taking macrogol.","accessed":"2026-08-27"}],"brand_certs":null,"updated_at":"2026-08-29T16:16:24.715168+08:00"},"disclaimer":"kozen-x is not a medical device and does not give medical advice. it lists what published sources have written down. absence of a record is not the same as safe."}