Product image of Hytrin (Terazosin Hydrochloride Dihydrate) supplied by GNH India

Hytrin

Active Ingredient:
Terazosin Hydrochloride Dihydrate
Origin:
EU

Hytrin (Terazosin Hydrochloride Dihydrate)

Terazosin, the active ingredient in Hytrin, is a Alpha-1 adrenergic antagonist presented as a tablet for oral use. It treats hypertension and benign prostatic hyperplasia in adults.
GNH India supplies Hytrin as a licensed, GDP-compliant international pharmaceutical supplier serving hospitals, pharmacies and clinics worldwide.

Manufacturer / TM Owner

Amdipharm Uk Limited

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Indications & Clinical Uses

Terazosin is indicated for conditions involving the cardiovascular system and the prostate where alpha‑1 adrenergic blockade is beneficial.

  • Hypertension: lowers blood pressure by reducing peripheral vascular resistance.
  • Benign prostatic hyperplasia (BPH): relaxes prostatic smooth muscle to improve urinary flow.
  • Elevated systolic blood pressure: assists in achieving target blood‑pressure goals in patients with essential hypertension.

How It Works

  • Terazosin selectively blocks alpha‑1 adrenergic receptors on vascular smooth muscle and prostatic tissue. This blockade prevents norepinephrine‑mediated contraction, causing vasodilation that reduces systemic vascular resistance and decreasing smooth‑muscle tone in the prostate, which improves urinary outflow.

Side Effects

Common Side Effects

  • Dizziness or light‑headedness, especially on standing.
  • Headache.
  • Fatigue or general weakness.
  • Nasal congestion or runny nose.
  • Peripheral edema.
  • Orthostatic hypotension.

Serious or Rare Side Effects

  • Severe hypotension leading to syncope.
  • Priapism (prolonged penile erection).
  • Allergic reactions such as rash, itching, or angioedema.
  • Hepatic dysfunction indicated by jaundice or abnormal liver enzymes.
  • Cardiac arrhythmias in susceptible patients.
  • Acute renal failure in the setting of severe hypotension.

Precautions & Warnings

Before initiating therapy, consider the following precautions:

  • Monitor blood pressure regularly, especially during dose titration.
  • Assess for orthostatic hypotension; advise patients to rise slowly.
  • Review renal and hepatic function; adjust dose if impairment is present.
  • Avoid abrupt discontinuation to prevent rebound hypertension.
  • Use caution in patients with a history of cardiovascular disease or heart failure.
  • Store at ambient temperature: keep in the original pack, protect from moisture.

Avoid Interactions

Terazosin may interact with several drug classes; awareness helps prevent adverse events.

Major Interactions (Avoid)

  • Concurrent use with other potent antihypertensives (e.g., ACE inhibitors, other alpha‑blockers) can cause additive hypotension.
  • PDE5 inhibitors such as sildenafil may precipitate severe blood‑pressure drops.
  • Strong CYP3A4 inhibitors (e.g., ketoconazole, clarithromycin) can increase terazosin plasma levels.

Moderate Interactions (Monitor Closely):\n- Diuretics may enhance orthostatic effects; monitor volume status.

  • NSAIDs can blunt the antihypertensive response.
  • Lithium therapy may result in elevated lithium concentrations; check serum levels.

Frequently Asked Questions

Hytrin contains terazosin, which is prescribed to lower high blood pressure and to relieve urinary symptoms caused by benign prostatic hyperplasia. By relaxing blood vessels and prostate smooth muscle, it helps control hypertension and improves urine flow in men with an enlarged prostate.

Terazosin selectively blocks alpha‑1 adrenergic receptors on vascular and prostatic smooth muscle. This inhibition prevents norepinephrine‑induced contraction, leading to vasodilation that reduces peripheral resistance and to relaxation of prostatic tissue, which eases urinary obstruction.

The exact dosage of Hytrin is determined by the prescribing clinician based on the individual’s medical condition, response, and tolerability. Physicians typically start with a low dose and may adjust gradually to achieve the desired blood‑pressure control or symptom relief.

Hytrin is classified as Pregnancy Category B, indicating that animal studies have not shown risk but there are no adequate human studies. It should only be used during pregnancy if clearly needed. Terazosin is excreted in breast milk, so nursing mothers should discuss risks with their healthcare provider.

To order Hytrin, submit an enquiry on the product page at gnhindia.com, specifying the required quantity. GNH India works with hospitals, pharmacies, and procurement teams worldwide, verifies trade or institutional credentials, and then provides pricing, availability, shipping details (including any special handling), and necessary import documentation.

Hytrin (terazosin) shares the same class mechanism as drugs like doxazosin and prazosin, but differences exist in dosing frequency, half‑life, and side‑effect profile. Terazosin often requires once‑daily dosing and may have a slightly lower incidence of first‑dose orthostatic hypotension compared with some older agents.

Hytrin tablets should be stored at ambient temperature, below 25 °C, in the original container to protect them from moisture and light. Keep the product out of reach of children and do not use if the packaging is damaged.

Hytrin is taken orally, usually with a full glass of water. It can be taken with or without food, but patients are advised to follow the prescribing physician’s instructions regarding timing and whether to take the dose in the morning or evening.

The most serious risks include severe hypotension leading to fainting, priapism, and allergic reactions such as angioedema. Patients should seek immediate medical attention if they experience sudden dizziness, prolonged erection, swelling of the face or throat, or any signs of an acute allergic response.

Hytrin is contraindicated in patients with known hypersensitivity to terazosin or any component of the formulation. It should be used with caution, or avoided, in individuals with severe liver disease, uncontrolled heart failure, or those who are already on multiple potent antihypertensive agents that could cause additive blood‑pressure lowering.

Published by

GNH India Pharmaceuticals Limited

Licensed pharmaceutical supplier

Last updated:

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