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Lisinopril

Medication ACE inhibitor heart & blood pressure
Aka: Zestril, Prinivil
Brands seen in Singapore: Zestril, Lisoril, Dapril, Noperten, Hipril
Not medical advice. Check with your doctor or pharmacist before you start, stop or change the timing of anything you take.
How to use
What it’s for
High blood pressure, heart failure, after a heart attack
When to take
SG label: a single daily dose, at about the SAMe time
Take with
With or without food · SG label: absorption not affected
Pros & cons
Pros
  • One tablet a day, with or without food
  • 5, 10 and 20 mg strengths registered in SG
  • NHS: also used in heart failure and after heart attack
Cons
  • A dry cough that does not go away is common
  • Dizziness, especially standing up quickly (NHS)
  • SG label: contraindicated in 2nd and 3rd trimesters
Sources
  1. HSA — Listing of Registered Therapeutic Products (data.gov.sg dataset d_767279312753558cbf19d48344577084), Forensicclassification column; all 5,511 rows pulled once via the datastore_search API and filtered locally, 27 Aug 2026 · read 2026-08-27
    what it says
    “ZESTRIL TABLET 10 mg SIN02372P | Prescription Only; LISORIL 5 SIN07868P; DAPRIL 10 SIN11995P; NOPERTEN 5 SIN12005P; HIPRIL-5 SIN12037P; LISINOPRIL STADA SIN11594P — all 14 lisinopril rows 'Prescription Only'; no PRINIVIL row.”
  2. MOH National Drug Formulary (Singapore) — ZESTRIL TABLET 10 MG [SIN02372P], lisinopril, DCH Auriga Singapore — product info, forensic classification and method of administration · read 2026-08-27
    what it says
    “PRESCRIPTION ONLY MEDICINES … Zestril should be administered orally in a single daily dose … at approximately the same time each day. The absorption of Zestril tablets is not affected by food.”
  3. MOH National Drug Formulary (Singapore) — ZESTRIL [SIN02372P], therapeutic indications · read 2026-08-27
    what it says
    “Zestril is indicated in the treatment of hypertension and in renovascular hypertension … in the management of congestive heart failure … for the treatment of haemodynamically stable patients within 24 hours of an acute myocardial infarction”
  4. MOH National Drug Formulary (Singapore) — ZESTRIL [SIN02372P], posology: maintenance dose and maximums · read 2026-08-27
    what it says
    “The usual effective maintenance dosage is 20 mg administered in a single daily dose … The maximum dose used in long-term, controlled clinical trials was 80 mg/day … titrated upward … to a maximum of 40 mg daily.”
  5. MOH National Drug Formulary (Singapore) — ZESTRIL [SIN02372P], contraindications · read 2026-08-27
    what it says
    “Hypersensitivity … to any other angiotensin-converting enzyme (ACE) inhibitor … Hereditary or idiopathic angioedema … Second or third trimesters of pregnancy … aliskiren-containing products is contraindicated in patients with diabetes mellitus or renal impairment (GFR <60 ml/min/1.73m2)”
  6. HealthHub (MOH Singapore) — Lisinopril, Medication Information Leaflet, last reviewed 8 May 2026 · read 2026-08-27
    what it says
    “Lisinopril lowers blood pressure by reducing the production of a substance called Angiotensin II … You may take this medication with or without food … a dry, annoying cough that does not go away, dizziness and lightheadedness”
  7. NHS medicines A–Z — Lisinopril (page last reviewed 4 February 2026) · read 2026-08-27
    what it says
    “Lisinopril is a type of medicine called an ACE inhibitor which makes your blood vessels relax and widen … used to treat: high blood pressure (hypertension), a recent heart attack, kidney problems caused by diabetes”
  8. NHS medicines A–Z — Lisinopril, taking it with other medicines, food and drink · read 2026-08-27
    what it says
    “other medicines for high blood pressure and heart problems … diuretics, such as bendroflumethiazide … anticoagulants, such as heparin … the medicine lithium … painkillers, such as ibuprofen”
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Updated 2026-08-29. Every line above traces to a numbered source. Kozen-X is not a medical device and does not give medical advice. It lists what published sources have written down — nothing more. A pair not listed is unrecorded, not cleared. Before you start, stop or re-time anything, talk to your doctor or pharmacist.