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

Hytrin

Active Ingredient:
Terazosin Hydrochloride Dihydrate
Origin:
EU

Hytrin (Terazosin Hydrochloride Dihydrate)

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

Manufacturer / TM Owner

Amdipharm Limited

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Indications & Clinical Uses

  • Hytrin belongs to the alpha‑1 adrenergic antagonist class and is indicated for conditions involving vascular tone and prostate smooth‑muscle tone.
  • Hypertension: lowers systemic blood pressure by vasodilation.
  • Benign prostatic hyperplasia (BPH): reduces prostate smooth‑muscle tone to improve urinary flow.
  • Urinary symptoms associated with BPH: alleviates nocturia and urinary urgency.

How It Works

  • Terazosin Hydrochloride Dihydrate selectively blocks α1‑adrenergic receptors on vascular smooth muscle and prostate tissue. This inhibition prevents norepinephrine‑mediated contraction, leading to vasodilation and decreased peripheral resistance, while also relaxing smooth muscle in the prostate and bladder neck, facilitating urine flow.

Side Effects

Hytrin may cause a range of adverse reactions, most of which are dose‑related and reversible.

Common Side Effects

  • Dizziness or light‑headedness, especially on standing.
  • Headache.
  • Fatigue or tiredness.
  • Nasal congestion.
  • Peripheral edema.
  • Orthostatic hypotension.

Serious or Rare Side Effects

  • Severe hypotension or syncope.
  • Priapism.
  • Hepatic dysfunction.
  • Allergic reactions such as rash or angioedema.
  • Blood dyscrasias including neutropenia.
  • Cardiac arrhythmias.

Precautions & Warnings

  • Before initiating Hytrin, clinicians should evaluate patient‑specific factors and monitor for potential complications.
  • Monitor blood pressure: check baseline and periodic readings.
  • Assess prostate size: consider urinary flow studies when indicated.
  • Review concomitant antihypertensives: adjust doses to avoid excessive hypotension.
  • Caution in hepatic impairment: dose may need adjustment.
  • Avoid abrupt discontinuation: taper to reduce rebound hypertension.
  • Store at ambient temperature: keep in the original pack, protect from moisture.

Avoid Interactions

Hytrin can interact with several drug classes; awareness helps prevent adverse events.

Major Interactions (Avoid)

  • Other α1‑blockers (e.g., prazosin, doxazosin): additive hypotensive effect.
  • Potent CYP3A4 inhibitors (e.g., ketoconazole, itraconazole): increased plasma levels.
  • Phosphodiesterase‑5 inhibitors (e.g., sildenafil, tadalafil): risk of severe hypotension.

Moderate Interactions (Monitor Closely):\n- Diuretics: may enhance orthostatic hypotension.

  • Other antihypertensives (ACE inhibitors, ARBs, beta‑blockers): monitor blood pressure.
  • CYP3A4 inducers (e.g., rifampin, carbamazepine): may reduce efficacy.

Frequently Asked Questions

Hytrin is prescribed to lower high blood pressure and to treat urinary symptoms caused by benign prostatic hyperplasia. By relaxing blood vessels and prostate smooth muscle, it helps control hypertension and improves urine flow in adult patients.

Terazosin Hydrochloride Dihydrate selectively blocks alpha‑1 adrenergic receptors on vascular and prostatic smooth muscle. This blockade prevents norepinephrine‑induced contraction, causing blood vessels to dilate and reducing prostate tone, which lowers blood pressure and eases urinary obstruction.

The appropriate dose of Hytrin is determined by the prescribing clinician based on the individual’s medical condition, response, and tolerability. Patients should follow the prescriber’s instructions and not adjust the dose without medical advice.

Safety data for Terazosin during pregnancy and lactation are limited, and the product is classified as having an unknown pregnancy category. It is generally avoided unless the potential benefit justifies the risk, and breastfeeding mothers should consult their healthcare provider.

To request 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, and any necessary import documentation.

Both Hytrin (terazosin) and doxazosin belong to the same drug class and share similar mechanisms. Terazosin often has a slightly shorter half‑life, which may require more frequent dosing, while doxazosin’s longer duration can allow once‑daily dosing. Choice depends on patient response, tolerability, and prescriber preference.

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 should follow the specific instructions provided by their healthcare professional to ensure optimal absorption and effect.

The most serious risks include severe hypotension, syncope, and priapism. Patients should report sudden dizziness, fainting, or prolonged painful erections immediately, as these may require urgent medical attention.

Hytrin is contraindicated in patients with known hypersensitivity to terazosin or any component of the formulation. Caution is advised for individuals with severe liver disease, uncontrolled orthostatic hypotension, or those taking interacting medications that could cause dangerous blood‑pressure drops.

Published by

GNH India Pharmaceuticals Limited

Licensed pharmaceutical supplier

Last updated:

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