{"ok":true,"entry":{"slug":"valsartan","kind":"medication","name":"valsartan","aliases":["Diovan"],"brands_sg":["Diovan","Starval","Cuberec","Valsart Standard","Vytan"],"class":"angiotensin receptor blocker","tags":["heart-bp"],"use_for":"prescribed for high blood pressure and some heart conditions","use_after":"nhs: once or twice a day, same time each day","use_duration":null,"take_with":"water · nhs: with or without food; potassium salts flagged","pros":["nhs: once or twice a day, with or without food","healthhub: also used when there is protein in the urine","nhs: most adults 18 and over can take it"],"cons":["nhs: dizziness, headache, tummy pain, feeling tired","nhs: rare liver problems or raised potassium","nhs: not usually used in pregnancy or breastfeeding"],"dose_note":"the us fda label for diovan gives, for adult hypertension, a starting dose of '80 mg to 160 mg once daily' and a dose range of '80 mg to 320 mg once daily', adding 'If additional antihypertensive effect is required over the starting dose range, the dose may be increased to a maximum of 320 mg or a diuretic may be added' and 'The maximum daily dose administered in clinical trials is 320 mg in divided doses' — 320 mg daily is the adult label maximum. for children 1 to 16 years the same label sets 'a maximum dose of 4 mg/kg once daily (maximum daily dose 160 mg)'. sg-registered single-ingredient tablets are 80 mg and 160 mg. in singapore the prescriber sets the dose.","dosage":null,"ul_status":null,"sg_class":"prescription-only","cautions":["pregnancy or planning one — healthhub: can injure a developing fetus","liver or kidney problems, or severe heart failure (nhs)","a past allergic reaction to another arb, or angioedema (nhs)","healthhub: potassium and kidney function may need monitoring"],"clashes":[{"src":["nhs_val_mix"],"note":"nhs lists these among medicines that may not mix well with valsartan","with":"other blood-pressure medicines, including ace inhibitors like lisinopril"},{"src":["nhs_val_mix"],"note":"nhs lists these among medicines that may not mix well with valsartan","with":"potassium-sparing diuretics such as spironolactone"},{"src":["nhs_val_mix","nhs_val_food"],"note":"nhs: tell a doctor if you regularly eat salt alternatives containing potassium","with":"potassium supplements and potassium salt substitutes"},{"src":["nhs_val_mix"],"note":"nhs lists some nsaids among medicines that may not mix well with valsartan","with":"nsaids including ibuprofen"},{"src":["nhs_val_mix"],"note":"nhs lists lithium among medicines that may not mix well with valsartan","with":"lithium"}],"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 in full and filtered locally)","quote":"All 35 valsartan-containing products carry Forensicclassification 'Prescription Only'; 12 are single-ingredient (ATC C09CA03) — SIN11555P DIOVAN TABLET 80 mg · SIN14778P STARVAL · SIN17170P CUBEREC · SIN15327P VALSART STANDARD · SIN16405P VYTAN; strengths 80 mg and 160 mg.","accessed":"2026-08-27"},{"id":"nhs_val_about","url":"https://www.nhs.uk/medicines/valsartan/","label":"NHS Medicines A-Z — Valsartan (index page)","quote":"you'll usually need to take it long-term … Your doctor will arrange for you to have blood tests and blood pressure checks while you're taking valsartan","accessed":"2026-08-27"},{"id":"nhs_val_howto","url":"https://www.nhs.uk/medicines/valsartan/","label":"NHS Medicines A-Z — Valsartan: how to take valsartan","quote":"Most people need to take valsartan once or twice a day … take it at any time of day, but try to take it at the same time every day; take it with water, with or without food","accessed":"2026-08-27"},{"id":"nhs_val_side","url":"https://www.nhs.uk/medicines/valsartan/","label":"NHS Medicines A-Z — Valsartan: side effects","quote":"Common side effects of valsartan can include: dizziness; headache; tummy pain; feeling tired; feeling sick (nausea) … Possible serious side effects … problems with your liver … increased levels of potassium","accessed":"2026-08-27"},{"id":"nhs_val_most","url":"https://www.nhs.uk/medicines/valsartan/","label":"NHS Medicines A-Z — Valsartan: who can take valsartan","quote":"Most adults aged 18 years or over can take valsartan. Valsartan may also be suitable for children aged 6 to 17 years old.","accessed":"2026-08-27"},{"id":"nhs_val_who","url":"https://www.nhs.uk/medicines/valsartan/","label":"NHS Medicines A-Z — Valsartan: who can and cannot take it, pregnancy and breastfeeding","quote":"it may not be suitable if: you've had an allergic reaction or serious side effect from other ARB medicines; you have severe heart failure; you have problems with your liver or kidneys; you've had … angioedema in the past","accessed":"2026-08-27"},{"id":"nhs_val_mix","url":"https://www.nhs.uk/medicines/valsartan/","label":"NHS Medicines A-Z — Taking valsartan with other medicines, food and drink","quote":"other medicines used to treat high blood pressure, including ACE inhibitors like lisinopril; some medicines that remove excess fluid … such as spironolactone; supplements and salt substitutes … that contain potassium; some NSAIDs, including ibuprofen; lithium","accessed":"2026-08-27"},{"id":"nhs_val_food","url":"https://www.nhs.uk/medicines/valsartan/","label":"NHS Medicines A-Z — Valsartan: food, drink and alcohol","quote":"You can generally eat as normal while taking valsartan, but tell your doctor if you regularly eat salt alternatives containing potassium (such as LoSalt) while taking valsartan.","accessed":"2026-08-27"},{"id":"hh_val_uses","url":"https://www.healthhub.sg/medication-devices-and-treatment/medications/valsartan","label":"HealthHub (Singapore) — Valsartan: what is this medication for","quote":"Valsartan lowers blood pressure by blocking the effects of a substance called Angiotensin II at the blood vessel walls. This medication can also be used for patients who have protein in their urine and other heart conditions.","accessed":"2026-08-27"},{"id":"hh_val_precautions","url":"https://www.healthhub.sg/medication-devices-and-treatment/medications/valsartan","label":"HealthHub — Valsartan: what precautions should I take","quote":"Inform your doctor if you are pregnant or planning to get pregnant … Taking this medication can cause injury and death to your developing fetus. Your doctor may need to monitor your potassium levels and kidney function","accessed":"2026-08-27"},{"id":"fda_diovan_dose","url":"https://api.fda.gov/drug/label.json?search=openfda.brand_name:%22DIOVAN%22&limit=1","label":"US FDA label for DIOVAN (valsartan), section 2 Dosage and Administration, via openFDA (Novartis, effective 2026-08-11)","quote":"Indication Starting Dose Dose Range* Hypertension Adults ( 2.2 ) 80 mg to 160 mg once daily 80 mg to 320 mg once daily … Heart Failure 40 mg twice daily 40 mg to 160 mg twice daily","accessed":"2026-08-27"},{"id":"fda_diovan_max","url":"https://api.fda.gov/drug/label.json?search=openfda.brand_name:%22DIOVAN%22&limit=1","label":"US FDA label for DIOVAN, sections 2.2 Hypertension in Adults and 2.3 Hypertension in Pediatric Patients, via openFDA","quote":"If additional antihypertensive effect is required over the starting dose range, the dose may be increased to a maximum of 320 mg … The maximum daily dose administered in clinical trials is 320 mg in divided doses.","accessed":"2026-08-27"}],"brand_certs":null,"updated_at":"2026-08-29T16:16:34.039038+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."}