PACKAGE LABEL.PRINCIPAL DISPLAY PANEL

LOSARTAN POTASSIUM AND HYDROCHLOROTHIAZIDE TABLETS USP

Rx only

50 mg/12.5 mg

NDC 68180-215-06

30 Tablets

LOSARTAN POTASSIUM AND HYDROCHLOROTHIAZIDE TABLETS USP

Rx only

100 mg/12.5 mg

NDC 68180-216-06

30 Tablets

LOSARTAN POTASSIUM AND HYDROCHLOROTHIAZIDE TABLETS USP

Rx only

100 mg/25 mg

NDC 68180-217-06

30 Tablets

11 DESCRIPTION

Losartan potassium and hydrochlorothiazide tablets USP, 50 mg/12.5 mg, losartan potassium and hydrochlorothiazide tablets USP, 100 mg/12.5 mg and losartan potassium and hydrochlorothiazide tablets USP, 100 mg/25 mg combine an angiotensin II receptor blocker acting on the AT1 receptor subtype and a diuretic, hydrochlorothiazide.

Losartan potassium, a non-peptide molecule, is chemically described as 2-butyl-4-chloro-1-[p-(o-1H-tetrazol-5-ylphenyl)benzyl]imidazole-5-methanol monopotassium salt. Its empirical formula is C22H22ClKN6O, and its structural formula is:

Image

Losartan potassium is a white to off-white amorphous powder with a molecular weight of 461.01. It is freely soluble in water, soluble in alcohols, and slightly soluble in common organic solvents, such as acetonitrile and methyl ethyl ketone.

Oxidation of the 5-hydroxymethyl group on the imidazole ring results in the active metabolite of losartan.

Hydrochlorothiazide is 6-chloro-3,4-dihydro-2H-1,2,4-benzothiadiazine-7-sulfonamide 1,1-dioxide. Its empirical formula is C7H8ClN3O4S2 and its structural formula is:

Image

Hydrochlorothiazide is a white, or practically white, crystalline powder with a molecular weight of 297.74, which is slightly soluble in water, but freely soluble in sodium hydroxide solution.

Losartan potassium and hydrochlorothiazide tablets USP are available for oral administration in three tablet combinations of losartan and hydrochlorothiazide. Losartan potassium and hydrochlorothiazide tablets USP, 50 mg/12.5 mg contains 50 mg of losartan potassium and 12.5 mg of hydrochlorothiazide. Losartan potassium and hydrochlorothiazide tablets USP, 100 mg/12.5 mg contains 100 mg of losartan potassium and 12.5 mg of hydrochlorothiazide. Losartan potassium and hydrochlorothiazide tablets USP, 100 mg/25 mg contains 100 mg of losartan potassium and 25 mg of hydrochlorothiazide. Inactive ingredients are colloidal silicon dioxide, hydroxypropyl cellulose, hypromellose, lactose anhydrous, magnesium stearate, microcrystalline cellulose, pregelatinized starch and titanium dioxide. Losartan potassium and hydrochlorothiazide tablets USP, 50 mg/ 12.5 mg and losartan potassium and hydrochlorothiazide tablets USP, 100 mg/ 25 mg also contain iron oxide yellow.

Losartan potassium and hydrochlorothiazide tablets USP, 50 mg/12.5 mg contain 4.24 mg (0.108 mEq) of potassium, losartan potassium and hydrochlorothiazide tablets USP, 100 mg/12.5 mg contain 8.48 mg (0.216 mEq) of potassium, and losartan potassium and hydrochlorothiazide tablets USP, 100 mg/ 25 mg contains 8.48 mg (0.216 mEq) of potassium.

16 HOW SUPPLIED/STORAGE AND HANDLING

Losartan potassium and hydrochlorothiazide tablet USP is supplied as a film- coated tablet.

** Losartan/ Hydrochlorothiazide**	** Color**	** Shape**	** Engraving**	** NDC 68180-xxx-xx**
			** One side**	** Other side**	** Bottle/30**	** Bottle/90**
50 mg/12.5 mg	Yellow	Capsule shaped biconvex	LU	M41	215-06	215-09
100 mg/12.5 mg	White	Oval shaped biconvex	LU	M42	216-06	216-09
100 mg/25 mg	Yellow	Tear drop shaped biconvex	LU	M43	217-06	217-09

Store at 25°C (77°F); excursions permitted to 15° to 30°C (59° to 86°F) [see USP Controlled Room Temperature]. Keep container tightly closed. Protect from light.