{"ok":true,"entry":{"slug":"telmisartan","kind":"medication","name":"telmisartan","aliases":["Micardis"],"brands_sg":["Telcord","Teltas","Telsat","Tolura","Telmisartan-DRLA"],"class":"angiotensin receptor blocker","tags":["heart-bp"],"use_for":"sg label: essential hypertension; cv risk reduction at 55+","use_after":"healthhub: long-term use · not stopped without checking","use_duration":null,"take_with":"sg label: swallowed whole with liquid, with or without food","pros":["sg label: 40 mg once daily is the usual dose","sg label: no dose change needed in renal impairment","sg label: it may be taken with or without food"],"cons":["sg label: full bp effect takes four to eight weeks","sg label: contraindicated in 2nd and 3rd trimester","sg label: a 40 mg daily cap if the liver is impaired"],"dose_note":"the sg micardis insert (sin11072p) states the ceiling for hypertension as \"the recommended dose is 40 mg once daily … in cases where the target blood pressure is not achieved, telmisartan dose can be increased to a maximum of 80 mg once daily\", and for cardiovascular risk reduction \"the recommended dose is 80 mg once daily\". the same page also reports, without making it a recommended dose, that \"in patients with severe hypertension treatment with telmisartan at doses up to 160 mg alone and in combination with hydrochlorothiazide 12.5–25 mg daily was well tolerated and effective\". a separate lower cap applies to the liver: \"in patients with mild to moderate hepatic impairment … the posology should not exceed 40 mg once daily\". sg registers only 40 mg and 80 mg tablets, and the insert adds they \"should not be divided into halves as the tablets have no score line\". as directed on the label or by your doctor.","dosage":null,"ul_status":null,"sg_class":"prescription-only","cautions":["severe hepatic impairment or biliary obstructive disorders — sg label contraindications","mild to moderate liver impairment — the sg label caps the dose at 40 mg once daily","pregnant or planning pregnancy — healthhub: stop as soon as pregnancy is found; 2nd and 3rd trimesters are an sg label contraindication","breastfeeding — lactation is an sg label contraindication"],"clashes":[{"src":["ndf_micardis_ci","fda_telmi_di"],"note":"sg label: contraindicated with telmisartan in diabetes or gfr < 60; us label repeats it","with":"aliskiren"},{"src":["fda_telmi_di"],"note":"us label: median increases in digoxin peak (49%) and trough (20%) concentration were observed","with":"digoxin"},{"src":["fda_telmi_di"],"note":"us label: reversible increases in serum lithium concentrations and toxicity have been reported","with":"lithium"},{"src":["fda_telmi_di"],"note":"us label: may deteriorate renal function and attenuate the antihypertensive effect","with":"nsaids including cox-2 inhibitors"},{"src":["fda_micardis_hct_di"],"note":"us label (micardis hct): co-administration may result in hyperkalemia — monitor serum potassium","with":"other drugs that raise serum potassium"}],"sources":[{"id":"hsa_register","url":"https://data.gov.sg/api/action/datastore_search?resource_id=d_767279312753558cbf19d48344577084&limit=6000","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 (not re-fetched), 27 Aug 2026","quote":"TELCORD 40/80 SIN16640P/SIN16639P; TELTAS-40/80 SIN15101P/SIN15102P; TELSAT 80/40 SIN16505P/SIN16506P; TOLURA 80/40 SIN15279P/SIN15278P; TELMISARTAN-DRLA 80MG SIN17074P; MICARDIS 40/80 SIN11072P/SIN11073P — ATC C09CA07, all 32 telmisartan rows Prescription Only","accessed":"2026-08-27"},{"id":"ndf_micardis","url":"https://www.ndf.gov.sg/about-drugs/product-information/sin11072p/","label":"MOH National Drug Formulary (Singapore) — MICARDIS TABLET 40 MG [SIN11072P], product information","quote":"TELMISARTAN - 40 MG … Registration Number SIN11072P … Licence Holder BOEHRINGER INGELHEIM SINGAPORE PTE. LTD. … Forensic Classification PRESCRIPTION ONLY MEDICINES … ATC code C09CA07 … Prescription-only Medicines with Exemptions for Supply without Prescription NA","accessed":"2026-08-27"},{"id":"ndf_micardis_ind","url":"https://www.ndf.gov.sg/about-drugs/product-information/sin11072p/","label":"MOH National Drug Formulary (Singapore) — MICARDIS [SIN11072P], Therapeutic Indications","quote":"Treatment of essential hypertension in adults. Reduction of the risk of non-fatal stroke or non-fatal myocardial infarction in adults 55 years or older at high risk of developing major cardiovascular events who cannot tolerate an ACEI","accessed":"2026-08-27"},{"id":"ndf_micardis_dose","url":"https://www.ndf.gov.sg/about-drugs/product-information/sin11072p/","label":"MOH National Drug Formulary (Singapore) — MICARDIS [SIN11072P], Posology and method of administration","quote":"The recommended dose is 40 mg once daily … can be increased to a maximum of 80 mg once daily … the maximum antihypertensive effect is generally attained four to eight weeks after the start","accessed":"2026-08-27"},{"id":"ndf_micardis_ci","url":"https://www.ndf.gov.sg/about-drugs/product-information/sin11072p/","label":"MOH National Drug Formulary (Singapore) — MICARDIS [SIN11072P], Contraindications and hepatic cap","quote":"Second and third trimesters of pregnancy. Lactation. Biliary obstructive disorders. Severe hepatic impairment … concomitant use of telmisartan with aliskiren is contraindicated in patients with diabetes mellitus or renal impairment","accessed":"2026-08-27"},{"id":"healthhub_telmisartan","url":"https://www.healthhub.sg/medication-devices-and-treatment/medications/telmisartan","label":"HealthHub (MOH Singapore) — Telmisartan, medication information leaflet (reviewed 08 May 2026)","quote":"Telmisartan lowers blood pressure by blocking the effects of a substance called Angiotensin II … Do not stop taking your medicine without checking with your healthcare provider … This medicine may be taken with or without food","accessed":"2026-08-27"},{"id":"healthhub_telmi_prec","url":"https://www.healthhub.sg/medication-devices-and-treatment/medications/telmisartan","label":"HealthHub (MOH Singapore) — Telmisartan, precautions","quote":"Inform your doctor if you are pregnant or planning to get pregnant. Once you find out you are pregnant, stop the medication as soon as possible … Your doctor may need to monitor your potassium levels and kidney function","accessed":"2026-08-27"},{"id":"fda_telmi_di","url":"https://api.fda.gov/drug/label.json?search=openfda.generic_name:%22TELMISARTAN%22+AND+_exists_:drug_interactions&limit=5","label":"Telmisartan tablets (single ingredient) — US prescribing information, openFDA drug label record, Drug Interactions","quote":"Do not co-administer aliskiren with telmisartan in patients with diabetes … median increases in digoxin peak plasma concentration (49%) and in trough concentration (20%) … reversible increases in serum lithium concentrations and toxicity … NSAIDs: increased risk of renal impairment","accessed":"2026-08-27"},{"id":"fda_micardis_hct_di","url":"https://api.fda.gov/drug/label.json?search=openfda.brand_name:%22MICARDIS%22&limit=2","label":"MICARDIS HCT (telmisartan and hydrochlorothiazide) — US prescribing information, Drug Interactions 7.1","quote":"Co-administration of telmisartan with other drugs that raise serum potassium levels may result in hyperkalemia. Monitor serum potassium in such patients","accessed":"2026-08-27"}],"brand_certs":null,"updated_at":"2026-08-29T16:16:33.302383+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."}