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Losartan+Hydrochlorothiazide information from DrugsUpdate  

See Available Brands of Losartan+Hydrochlorothiazide in India

Losartan+Hydrochlorothiazide belong to angiotensin II antagonist and low-ceiling thiazide diuretics, respectively. Losartan and Hydrochlorothiazide are a fixed-dose combination is indicated for the management of hypertension in adults who are unresponsive to other therapeutic options. Losartan and Hydrochlorothiazide are also prescribed to reduce the risk of stroke in hypertensive patients with LVH.


As a diuretic, Hydrochlorothiazide increases urinary excretion of sodium and chloride salts and reduce cardiac load. Losartan, an angiotensin II receptor antagonist (ACE-II inhibitor) blocks the action of ACE-II and lowers blood pressure. Losartan selectively blocks the effects of angiotensin II including vasoconstriction and aldosterone secretion. The additive effects of Losartan and Hydrochlorothiazide exerts additive effects against hypertension.


No information available

Losartan+Hydrochlorothiazide Indications / Losartan+Hydrochlorothiazide Uses

No information available

Losartan+Hydrochlorothiazide Adverse Reactions / Losartan+Hydrochlorothiazide Side Effects

Losartan and Hydrochlorothiazide cause dry mouth, pancreatitis, anorexia, nausea, glycosuria, impotence, jaundice, constipation, thirst, electrolyte imbalance, palpitations, leucocytopenia, taste changes, dyspepsia, angioedema, cough and aggravation of SLE, hypotension, bronchitis, renal failure, interstitial nephritis, migraine, hyperlipidemia, sinusitis, aplastic anemia and bronchitis. Rarely, the drug combination can cause serious anaphylaxis, toxic epidermal necrolysis and haemolytic anemia.


Losartan and Hydrochlorothiazide are contraindicated in patients with electrolyte imbalance, hyperuricemia, renal artery stenosis, hepatic disorders, hyperlipidemia, diabetes, gout, hypovolemia, parathyroid dysfunctions and mitral stenosis.

Special Precautions

No information available

Other Drug Interactions

Hydrochlorothiazide can interact with other ACE inhibitors, aspirin, calcium-channel blockers, beta-blockers, epoetin, estrogens, drospirenone, Amiodarone, lithium, NSAIDs, alprostadil, MAOIs, cyclosporine, platinum, adrenergic neuronic blockers, hypnotics, levodopa, chlorpropamide and aminoglycosides

Other Interactions

Herbs such as Yohimbe, garlic, St. John’s wort, Dong Quai, ephedra and ginseng may impair the metabolism of Losartan and Hydrochlorothiazide.


For hypertension (Adults):
Consider oral administration of one tablet (Losartan 50 mg and Hydrochlorothiazide 12.5 mg) daily. After 2-4 weeks of initial therapy, the dosage can be increased twice daily. The maximum dose should not exceed 2 tablets/day.


Losartan hydrochlorothiazide can be taken before or after meals

List of Contraindications

Losartan+Hydrochlorothiazide and Pregnancy

In 1st trimester:

USFDA pregnancy category C. May be or may not be harmful to an unborn baby. Consult a physician if you are in gestation or planning to have a baby during Losartan and Hydrochlorothiazide treatment.

In 2nd and 3rd trimesters:
Contraindicated in pregnancy

USFDA pregnancy category D. Losartan and Hydrochlorothiazide can harm the unborn fetus. Perform pregnancy tests before using Losartan and Hydrochlorothiazide. Use effective contraceptive mode to prevent unintended pregnancies while taking Losartan and Hydrochlorothiazide.

Losartan+Hydrochlorothiazide and Lactation

Pregnant women should consult a physician before taking Losartan and Hydrochlorothiazide.

Losartan+Hydrochlorothiazide and Children

No information available

Losartan+Hydrochlorothiazide and Geriatic

No information available

Losartan+Hydrochlorothiazide and Other Contraindications

No information available


Store away from light and moisture at 15-30 °C

Lab interference

Store away from light and moisture at 15-30 °C

Losartan+Hydrochlorothiazide brands in India:


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