Clinical data | |
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Trade names | Hytrin, Zayasel, others |
AHFS/Drugs.com | Monograph |
MedlinePlus | a693046 |
License data | |
Routes of administration | By mouth |
Drug class | α1 blocker |
ATC code | |
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Pharmacokinetic data | |
Protein binding | 90–94% |
Elimination half-life | 12 hours |
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CAS Number | |
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IUPHAR/BPS | |
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CompTox Dashboard (EPA) | |
ECHA InfoCard | 100.118.191 |
Chemical and physical data | |
Formula | C19H25N5O4 |
Molar mass | 387.440 g·mol−1 |
3D model (JSmol) | |
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Terazosin, sold under the brand name Hytrin among others, is a medication used to treat symptoms of an enlarged prostate and high blood pressure. [1] For high blood pressure, it is a less preferred option. [1] It is taken by mouth. [1]
Common side effects include dizziness, headache, feeling tired, swelling, nausea, and low blood pressure with standing. [1] Severe side effects may include priapism and low blood pressure. [1] Prostate cancer should be ruled out before starting treatment. [1] It is an alpha-1 blocker and works by relaxing blood vessels and the opening of the bladder. [1]
Terazosin was patented in 1975 and came into medical use in 1985. [2] It is available as a generic medication. [3] In 2021, it was the 234th most commonly prescribed medication in the United States, with more than 1 million prescriptions. [4] [5]
Reaction of piperazine with 2-furoyl chloride followed by catalytic hydrogenation of the furan ring leads to 2. This, when heated in the presence of 2-chloro-6,7-dimethoxyquinazolin-4-amine (1) undergoes direct alkylation to terazosin (3).
A 2022 study suggests that terazosin may have the potential to confer neuroprotection upon motor neurons in motor neuron disease, as a result of its ability to activate PGK1. [7]
Irbesartan, sold under the brand name Aprovel among others, is a medication used to treat high blood pressure, heart failure, and diabetic kidney disease. It is a reasonable initial treatment for high blood pressure. It is taken by mouth. Versions are available as the combination irbesartan/hydrochlorothiazide.
Rizatriptan, sold under the brand name Maxalt among others, is a medication used for the treatment of migraine headaches. It is taken by mouth. It can also be applied on the tongue. It is a serotonin (5-HT) 1B/1D receptor agonist (triptan).
Bumetanide, sold under the brand name Bumex among others, is a medication used to treat swelling and high blood pressure. This includes swelling as a result of heart failure, liver failure, or kidney problems. It may work for swelling when other medications have not. For high blood pressure it is not a preferred treatment. It is taken by mouth, or by injection into a vein or muscle. Effects generally begin within an hour and last for about six hours.
Isosorbide mononitrate, sold under many brand names, is a medication used for heart-related chest pain (angina), heart failure and esophageal spasms. It can be used both to treat and to prevent heart-related chest pain; however, it is generally less preferred than beta blockers or calcium channel blockers. It is taken by mouth.
Quinapril, sold under the brand name Accupril by the Pfizer corporation. It a medication used to treat high blood pressure (hypertension), heart failure, and diabetic kidney disease. It is a first line treatment for high blood pressure. It is taken by mouth.
Telmisartan, sold under the brand name Micardis among others, is a medication used to treat high blood pressure, heart failure, and diabetic kidney disease. It is a reasonable initial treatment for high blood pressure. It is taken by mouth. Versions are available as the combination telmisartan/hydrochlorothiazide, telmisartan/cilnidipine and telmisartan/amlodipine.
Doxazosin, sold under the brand name Cardura among others, is a medication used to treat symptoms of benign prostatic hyperplasia, hypertension, and post-traumatic stress disorder (PTSD). For high blood pressure, it is a less preferred option. It is taken by mouth.
Benazepril, sold under the brand name Lotensin among others, is a medication used to treat high blood pressure, heart failure, and diabetic kidney disease. It is a reasonable initial treatment for high blood pressure. It is taken by mouth. Versions are available as the combinations benazepril/hydrochlorothiazide and benazepril/amlodipine.
Prazosin, sold under the brand name Minipress among others, is a medication used to treat high blood pressure, symptoms of an enlarged prostate, and nightmares related to post-traumatic stress disorder (PTSD). It is an α1 blocker. It is a less preferred treatment of high blood pressure. Other uses may include heart failure and Raynaud syndrome. It is taken by mouth.
Tamsulosin, sold under the brand name Flomax among others, is a medication used to treat symptomatic benign prostatic hyperplasia (BPH) and chronic prostatitis and to help with the passage of kidney stones. The evidence for benefit with a kidney stone is better when the stone is larger. Tamsulosin is taken by mouth.
Olmesartan, sold under the brand name Benicar among others, is a medication used to treat high blood pressure (hypertension). It is taken orally. Versions are available as the combination olmesartan/hydrochlorothiazide and olmesartan/amlodipine. It is available as a prodrug, olmesartan medoxomil.
Lisinopril/hydrochlorothiazide, sold under the brand name Zestoretic among others, is a fixed-dose combination medication used for the treatment of high blood pressure (hypertension). It contains lisinopril, an ACE inhibitor, and hydrochlorothiazide, a diuretic. Typically, it becomes an option once a person is doing well on the individual components. It is taken by mouth.
Amlodipine/benazepril, sold under the brand name Lotrel among others, is a fixed-dose combination medication used to treat high blood pressure. It is a combination of amlodipine, as the besilate, a calcium channel blocker, and benazepril, an angiotensin converting enzyme inhibitor. It may be used if a single agent is not sufficient. It is taken by mouth.
Brimonidine is an α2 agonist medication used to treat open-angle glaucoma, ocular hypertension, and rosacea. In rosacea it improves the redness. It is used as eye drops or applied to the skin.
Dorzolamide, sold under the brand name Trusopt among others, is a medication used to treat high pressure inside the eye, including in cases of glaucoma. It is used as an eye drop. Effects begin within three hours and last for at least eight hours. It is also available as the combination dorzolamide/timolol.
Travoprost, sold under the brand name Travatan among others, is a medication used to treat high pressure inside the eye including glaucoma. Specifically it is used for open angle glaucoma when other agents are not sufficient. It is used as an eye drop. Effects generally occur within two hours.
Losartan/hydrochlorothiazide, sold under the brand name Hyzaar among others, is a fixed-dose combination medication used to treat high blood pressure when losartan is not sufficient. It consists of losartan, an angiotensin II receptor blocker; and hydrochlorothiazide, a thiazide diuretic. It is taken by mouth.
Mirabegron, sold under the brand name Myrbetriq among others, is a medication used to treat overactive bladder. Its benefits are similar to antimuscarinic medication such as solifenacin or tolterodine. It is taken by mouth.
Hydrochlorothiazide/triamterene, also known as co-triamterzide, is a fixed-dose combination medication of hydrochlorothiazide and triamterene. It is used to treat high blood pressure and edema (swelling). Specifically it is used in those who develop low blood potassium (hypokalemia) when on only hydrochlorothiazide. It is taken by mouth.
Olmesartan/hydrochlorothiazide, sold under the brand name Benicar HCT among others, is a fixed-dose combination medication used to treat high blood pressure. It is a combination of olmesartan medoxomil, an angiotensin II receptor blocker and hydrochlorothiazide, a diuretic. It may be used if olmesartan is not sufficient to manage blood pressure. It is taken by mouth.