{"ok":true,"entry":{"slug":"aluminium-hydroxide","kind":"medication","name":"aluminium hydroxide","aliases":["Alu-Cap","alumina"],"brands_sg":["Inon","Alu-Tab","Hydrosil","Macgel","Semor Stomach"],"class":"antacid","tags":["digestive"],"use_for":"short relief of indigestion, heartburn and acid","use_after":"nhs: with or soon after meals, and just before bed","use_duration":null,"take_with":"food · 2 to 4 hours apart from other medicines","pros":["nhs: can quickly relieve symptoms for a few hours","sg register: every antacid row is general sale list","sg alu-tab label: binds phosphate in renal dysfunction"],"cons":["nhs: does not treat the underlying cause","nhs: long-term use is not recommended","nhs: diarrhoea, constipation, wind or stomach cramps"],"dose_note":"the singapore alu-tab 600 mg insert on the national drug formulary states “one to two tablets four times daily or as directed by physician” — two 600 mg tablets four times a day is that label's stated ceiling. the actal 216 mg insert instead reads “peptic ulcer: suck and chew 2 to 4 tablets” and “gastric hyperacidity: suck and chew 1 to 2 tablets, one-half to one hour after each meal”. nhs adds that doses differ by product — “check the instructions on the packet or leaflet to see how much antacid to take and how often. this depends on the exact medicine you're taking” — and that “doses for children may be lower than for adults”. as directed on the label or by your pharmacist.","dosage":null,"ul_status":null,"sg_class":"general-sale","cautions":["kidney disease, liver disease or heart failure — nhs: get advice first","hypophosphataemia — sg alu-tab label: contraindicated","a child under 12 — nhs: some antacids are not recommended for children","a salt-restricted diet — nhs: some antacids contain high levels of sodium"],"clashes":[{"src":["nhs_antacid_food"],"note":"nhs: antacids can affect how well other medicines work — not within 2 to 4 hours of an antacid","with":"other medicines generally"},{"src":["nhs_antacid_food"],"food":true,"note":"nhs: alcohol can irritate your stomach and make your symptoms worse","with":"alcohol"},{"src":["fda_carafate_renal"],"note":"fda (carafate label): may increase the total body burden of aluminium; impaired excretion in renal failure","with":"sucralfate and other aluminium-containing products"}],"sources":[{"id":"hsa_register","url":"https://data.gov.sg/datasets/d_767279312753558cbf19d48344577084/view","label":"HSA — Listing of Registered Therapeutic Products (data.gov.sg open dataset, 5,511 rows, cached locally at /tmp/hsa_all.json and filtered locally, not re-fetched)","quote":"19 registered products contain aluminium hydroxide; 18 carry Forensicclassification 'General Sale List' — SIN03440P INON GRANULES · SIN02930P ALU-TAB 600 mg · SIN03484P HYDROSIL · SIN08119P MACGEL · SIN03314P SEMOR STOMACH. The one 'Pharmacy Only' row is SIN02547P VERAGEL-DMS.","accessed":"2026-08-27"},{"id":"ndf_alutab_ind","url":"https://www.ndf.gov.sg/about-drugs/product-information/sin02930p/","label":"Singapore National Drug Formulary — ALU-TAB TABLET 600 MG [SIN02930P], Product Info and Indications","quote":"Active Ingredient and Strength ALUMINIUM HYDROXIDE (DRIED GEL) - 600 MG … Forensic Classification GENERAL SALE LIST … INDICATIONS Symptomatic relief of uncomplicated peptic ulcer and gastric hyperacidity. Phosphate binding in renal dysfunction.","accessed":"2026-08-27"},{"id":"ndf_alutab_dose","url":"https://www.ndf.gov.sg/about-drugs/product-information/sin02930p/","label":"Singapore National Drug Formulary — ALU-TAB 600 mg [SIN02930P], Dosage and Administration","quote":"One to two tablets four times daily or as directed by physician. When used for patients with renal dysfunction the specially formulated film coating allows the whole tablet to be swallowed with a minimum of water.","accessed":"2026-08-27"},{"id":"ndf_alutab_ci","url":"https://www.ndf.gov.sg/about-drugs/product-information/sin02930p/","label":"Singapore National Drug Formulary — ALU-TAB 600 mg [SIN02930P], Contraindications","quote":"CONTRAINDICATIONS Hypophosphataemia.","accessed":"2026-08-27"},{"id":"ndf_actal_ind","url":"https://www.ndf.gov.sg/about-drugs/product-information/sin03572p/","label":"Singapore National Drug Formulary — ACTAL TABLET 216 MG [SIN03572P], Product Info and Indications","quote":"Forensic Classification GENERAL SALE LIST … INDICATIONS For the relief of stomach discomfort such as indigestion, heartburn due to gastric hyperacidity, peptic ulcer and heartburn of pregnancy.","accessed":"2026-08-27"},{"id":"ndf_actal_dose","url":"https://www.ndf.gov.sg/about-drugs/product-information/sin03572p/","label":"Singapore National Drug Formulary — ACTAL TABLET 216 MG [SIN03572P], Dosage","quote":"Adult (tablet must be sucked and chewed) Peptic ulcer: Suck and chew 2 to 4 tablets. Gastric hyperacidity: Suck and chew 1 to 2 tablets, one-half to one hour after each meal.","accessed":"2026-08-27"},{"id":"nhs_antacid_about","url":"https://www.nhs.uk/medicines/antacids/","label":"NHS — Antacids: when antacids are used, common types of antacids","quote":"Antacids … counteract (neutralise) the acid in your stomach to relieve indigestion and heartburn … They can quickly relieve your symptoms for a few hours. But they do not treat the underlying cause and long-term use is not recommended.","accessed":"2026-08-27"},{"id":"nhs_antacid_how","url":"https://www.nhs.uk/medicines/antacids/","label":"NHS — Antacids: how and when to take antacids","quote":"Check the instructions on the packet or leaflet to see how much antacid to take and how often. This depends on the exact medicine you're taking … Remember that doses for children may be lower than for adults.","accessed":"2026-08-27"},{"id":"nhs_antacid_when","url":"https://www.nhs.uk/medicines/antacids/","label":"NHS — Antacids: when to take them, and taking them with food","quote":"Antacids should be used when you have symptoms or think you will get them soon – for most people, the best time to take them is with or soon after meals, and just before going to bed.","accessed":"2026-08-27"},{"id":"nhs_antacid_food","url":"https://www.nhs.uk/medicines/antacids/","label":"NHS — Antacids: taking antacids with food, alcohol and other medicines","quote":"Antacids can affect how well other medicines work, so do not take other medicines within 2 to 4 hours of taking an antacid … alcohol can irritate your stomach and make your symptoms worse.","accessed":"2026-08-27"},{"id":"nhs_antacid_se","url":"https://www.nhs.uk/medicines/antacids/","label":"NHS — Antacids: side effects of antacids","quote":"sometimes they can cause: diarrhoea or constipation … flatulence (wind) … stomach cramps … feeling sick or vomiting. These should pass once you stop taking the medicine.","accessed":"2026-08-27"},{"id":"nhs_antacid_who","url":"https://www.nhs.uk/medicines/antacids/","label":"NHS — Antacids: who may not be able to take antacids","quote":"are looking for a medicine for a child under 12 years of age – some antacids are not recommended for children … have liver disease, kidney disease or heart failure … some antacids contain high levels of sodium","accessed":"2026-08-27"},{"id":"fda_carafate_renal","url":"https://api.fda.gov/drug/label.json?search=openfda.brand_name:%22CARAFATE%22&limit=1","label":"US FDA label for CARAFATE (sucralfate), Precautions — Chronic Renal Failure and Dialysis Patients, via openFDA (effective 2023-06-08)","quote":"Concomitant use of sucralfate with other products that contain aluminum, such as aluminum-containing antacids, may increase the total body burden of aluminum … Patients with chronic renal failure or those receiving dialysis have impaired excretion of absorbed aluminum.","accessed":"2026-08-27"}],"brand_certs":null,"updated_at":"2026-08-29T16:16:10.48466+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."}