Product image of Hytrin (Terazosin) supplied by GNH India

Hytrin

Active Ingredient:
Terazosin
Origin:
EU

Hytrin (Terazosin)

Terazosin, the active ingredient in Hytrin, is a selective alpha‑1 adrenergic receptor antagonist presented as a tablet for oral use. It is used to treat hypertension and benign prostatic hyperplasia, helping lower blood pressure and improve urinary flow in adult patients.

GNH India supplies Hytrin as a licensed, GDP‑compliant international pharmaceutical supplier serving hospitals, pharmacies and clinics worldwide, adhering to stringent quality standards and providing reliable global distribution.

Manufacturer / TM Owner

Amdipharm Limited

1
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Indications & Clinical Uses

Terazosin is indicated for conditions involving the cardiovascular and urinary systems.

  • Hypertension: reduces elevated blood pressure by causing vasodilation of peripheral vessels.
  • Benign prostatic hyperplasia (BPH): improves urinary flow by relaxing smooth‑muscle tone in the prostate and bladder neck.

How It Works

  • Terazosin selectively blocks alpha‑1 adrenergic receptors on vascular smooth muscle and prostatic tissue. This inhibition prevents norepinephrine‑mediated contraction, leading to vasodilation, decreased peripheral resistance, and lowered arterial pressure. In the prostate, reduced smooth‑muscle tone eases urinary outflow, alleviating symptoms of benign prostatic hyperplasia.

Side Effects

Terazosin may cause a range of adverse reactions, which are categorized by frequency and severity.

Common Side Effects

  • Dizziness or light‑headedness
  • Headache
  • Fatigue
  • Nasal congestion
  • Peripheral edema
  • Orthostatic hypotension

Serious or Rare Side Effects

  • Severe hypotension or syncope
  • Priapism
  • Allergic reactions such as rash or angioedema
  • Liver enzyme elevations
  • Cardiac arrhythmia
  • Severe electrolyte disturbances

Precautions & Warnings

When prescribing Terazosin, clinicians should consider several safety measures.

  • Initiate therapy at low dose: start with the lowest recommended dose to assess tolerance.
  • Monitor blood pressure: check regularly, especially after dose adjustments.
  • Assess renal function: adjust dosing if significant impairment is present.
  • Avoid abrupt discontinuation: taper gradually to prevent rebound hypertension.
  • Caution in patients with a history of orthostatic hypotension: monitor for dizziness.
  • Store at room temperature: keep in the original container, protect from moisture and light.

Avoid Interactions

Terazosin can interact with other medicines, altering its efficacy or safety.

Major Interactions (Avoid)

  • Potent CYP3A4 inhibitors (e.g., ketoconazole) may increase plasma levels.
  • Co‑administration with other antihypertensives can cause additive hypotension.
  • Phosphodiesterase‑5 inhibitors (e.g., sildenafil) raise the risk of severe hypotension.
  • Lithium: concurrent use may raise lithium concentrations.
  • Aliskiren in diabetic patients: increased risk of renal impairment.

Moderate Interactions (Monitor Closely)

  • Diuretics: may affect electrolyte balance and blood pressure response.
  • NSAIDs: can blunt the antihypertensive effect.
  • Beta‑blockers: combined use may enhance bradycardia.
  • Other alpha‑blockers: cumulative vasodilatory effect.
  • Antidepressants with adrenergic activity: monitor for blood pressure changes.

Frequently Asked Questions

Hytrin, whose active ingredient is Terazosin, is prescribed for two main conditions: hypertension, where it helps lower high blood pressure, and benign prostatic hyperplasia (BPH), where it relaxes prostate smooth muscle to improve urinary flow. Both uses rely on its ability to block alpha‑1 receptors in blood vessels and the prostate.

Terazosin selectively blocks alpha‑1 adrenergic receptors on vascular smooth muscle and prostate tissue. By preventing norepinephrine from binding, it causes vasodilation, reducing peripheral resistance and blood pressure. In the prostate, the same blockade relaxes smooth muscle, decreasing urinary obstruction associated with BPH.

The appropriate dose of Hytrin is determined by the prescribing healthcare professional based on the individual’s medical condition, response to therapy, and any concurrent medications. Dosage adjustments are made according to clinical judgment and patient monitoring.

Safety data for Terazosin in pregnancy and lactation are limited. It should only be used if the potential benefit justifies any potential risk to the fetus or infant. Healthcare providers will evaluate the risk‑benefit profile before prescribing to pregnant or nursing women.

To request Hytrin, visit the product page on gnhindia.com, enter the required quantity, and submit the enquiry form. GNH India works with hospitals, pharmacies, and procurement teams worldwide, verifies trade or institutional credentials, and then provides pricing, availability, shipping details, and any necessary import documentation.

Hytrin belongs to the selective alpha‑1 blocker class, which lowers blood pressure primarily through vasodilation. Unlike ACE inhibitors or calcium‑channel blockers, it does not affect the renin‑angiotensin system or calcium channels. Its dual action on prostate smooth muscle also makes it useful for BPH, a benefit not shared by many other antihypertensives.

Hytrin tablets should be stored at room temperature, below 25 °C. Keep them in the original packaging to protect from moisture and light, and store out of reach of children. Do not refrigerate or freeze the product.

Hytrin is taken orally, usually as a whole tablet with a glass of water. It can be taken with or without food, but patients should follow the specific instructions provided by their prescriber to maintain consistent absorption and effect.

The most serious risks include severe hypotension, which can lead to fainting or shock, and rare events such as priapism or serious allergic reactions (e.g., angioedema). Patients should seek immediate medical attention if they experience sudden dizziness, prolonged erection, or signs of an allergic response.

Hytrin is contraindicated in patients with known hypersensitivity to Terazosin or any component of the formulation. It should also be avoided in individuals with severe orthostatic hypotension, recent myocardial infarction, or those taking medications that may cause dangerous additive blood‑pressure lowering effects without close monitoring.

Published by

GNH India Pharmaceuticals Limited

Licensed pharmaceutical supplier

Last updated:

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