Losartan may be used alone or in combination with other drugs.
SIDE EFFECTS: Side effects reported included:
Losartan also may cause:
Losartan may reduce kidney function in some patients and should not be used by patients who have bilateral renal artery stenosis (narrowing of both arteries going to the kidneys).
Rare cases of rhabdomyolysis (muscle breakdown) have been reported.
GENERIC AVAILABLE: Yes
PREPARATIONS: Tablets: 25, 50 and 100 mg
STORAGE: Tablets should be stored at room temperature in a tightly closed, light resistant container.
DOSING: The starting dose of losartan for adults is 25-50 mg daily. The maximum dose is 100 mg daily. The total daily dose may be divided and administered two doses daily. Losartan may be given with or without food.
The starting dose of losartan for pediatric patients 6 years of age or older is 0.7 mg/kg up to 50 mg once daily. Doses more than 1.4 mg/kg or 100 mg daily have not been evaluated in pediatric patients.
DRUG INTERACTIONS: Losartan may increase levels of blood potassium (hyperkalemia), which can lead to serious heart problems (arrhythmias). Therefore, concomitant use of other drugs or substances that increase blood-such as potassium-sparing diuretics (for example, spironolactone [Aldactone], triamterene, and amiloride), potassium supplements, or salt substitutes containing potassium may lead to dangerous increases in serum potassium.
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