"What are ACE inhibitors and how do they work?
The class of drugs called angiotensin converting enzyme (ACE) inhibitors, as the class name suggests, reduces the activity of angiotensin converting enzyme. ACE converts angiotensin I pr"...
(fosinopril sodium-hydrochlorothiazide) Tablets
USE IN PREGNANCY
When used in pregnancy during the second and third trimesters, ACE inhibitors can cause injury and even death to the developing fetus. When pregnancy is detected, MONOPRIL-HCT should be discontinued as soon as possible. See WARNINGS: Fetal/Neonatal Morbidity and Mortality.
Fosinopril sodium is a white to off-white crystalline powder, soluble ( > 100 mg/mL) in water, in ethanol, and in methanol, and slightly soluble in hexane. Fosinopril sodium is designated chemically as L-proline, 4-cyclohexyl-1-[[[2-methyl-1-(1-oxopropoxy)propoxy](4-phenylbutyl)phosphinyl]acetyl]-, sodium salt, trans-; its structural formula is:
Its empirical formula is C30H45NNaO7P, and its molecular weight is 585.65.
Fosinoprilat, the active metabolite of fosinopril, is a non-sulfhydryl angiotensin-converting enzyme inhibitor. Fosinopril is converted to fosinoprilat by hepatic cleavage of the ester group.
Hydrochlorothiazide, USP is a white, or practically white, practically odorless, crystalline powder. It is slightly soluble in water; freely soluble in sodium hydroxide solution, in n-butylamine, and in dimethylformamide; sparingly soluble in methanol; and insoluble in ether, in chloroform, and in dilute mineral acids. Hydrochlorothiazide is designated chemically as 6-chloro-3,4-dihydro-2H-1,2,4-benzothiadiazine-7-sulfonamide 1,1-dioxide; its structural formula is:
Its empirical formula is C7H8ClN3O4S2, and its molecular weight is 297.73. Hydrochlorothiazide is a thiazide diuretic.
MONOPRIL®-HCT (fosinopril sodium-hydrochlorothiazide tablets) is a combination of fosinopril sodium and hydrochlorothiazide, USP. It is available for oral use in two tablet strengths: MONOPRIL-HCT 10/12.5, containing 10 mg of fosinopril sodium and 12.5 mg of hydrochlorothiazide, USP; and MONOPRIL-HCT 20/12.5, containing 20 mg of fosinopril sodium and 12.5 mg of hydrochlorothiazide, USP. The inactive ingredients of the tablets include lactose, croscarmellose sodium, povidone, sodium stearyl fumarate, and iron oxide.
What are the possible side effects of hydrochlorothiazide and fosinopril (Monopril HCT)?
Get emergency medical help if you have any of these signs of an allergic reaction: hives; severe stomach pain; difficulty breathing; swelling of your face, lips, tongue, or throat.
Call your doctor at once if you have any of these serious side effects:
- eye pain, vision problems;
- high potassium (slow heart rate, weak pulse, muscle weakness, tingly feeling);
- low potassium (confusion, uneven heart rate, extreme thirst, increased urination, leg discomfort, muscle weakness or limp feeling);
- dry mouth, thirst, nausea,...
What are the precautions when taking fosinopril sodium-hydrochlorothiazide tablets (Monopril HCT)?
Before taking this product, tell your doctor or pharmacist if you are allergic to either fosinopril or hydrochlorothiazide; or to other ACE inhibitors (such as captopril, lisinopril); or to other thiazides (such as chlorothiazide); or if you have any other allergies. This product may contain inactive ingredients, which can cause allergic reactions or other problems. Talk to your pharmacist for more details.
This medication should not be used if you have certain medical conditions. Before using this medicine, consult your doctor or pharmacist if you have: a history of an allergic reaction that included swelling of the face/lips/tongue/throat (angioedema), an inability to make urine (anuria).
Before using this medication, tell your doctor or pharmacist your medical history,...
Last reviewed on RxList: 7/1/2009
This monograph has been modified to include the generic and brand name in many instances.
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