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

Hytrine

Active Ingredient:
Terazosin Hydrochloride Dihydrate
Origin:
EU

Hytrine (Terazosin Hydrochloride Dihydrate)

Terazosin, the active ingredient in Hytrine, is an alpha-1 adrenergic blocker presented as an oral formulation for oral use. It is used to manage hypertension and benign prostatic hyperplasia in adult patients. By selectively antagonizing alpha-1 receptors, it helps lower blood pressure and relaxes smooth muscle in the prostate and bladder neck, improving urinary flow.

GNH India supplies Hytrine as a licensed, GDP‑compliant international pharmaceutical supplier serving hospitals, pharmacies and clinics worldwide. The company adheres to global quality standards and provides regulatory support for cross‑border distribution.

Manufacturer / TM Owner

Amdipharm Limited

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Indications & Clinical Uses

Terazosin is indicated for conditions involving the cardiovascular and urinary systems where alpha‑1 receptor blockade is beneficial.

  • Hypertension: lowers systemic vascular resistance to reduce blood pressure.
  • Benign prostatic hyperplasia: relaxes prostatic smooth muscle to improve urinary flow.
  • Lower urinary tract symptoms associated with BPH: alleviates urinary frequency and urgency.

How It Works

  • Terazosin selectively antagonizes alpha-1 adrenergic receptors located on vascular smooth muscle and in the prostate and bladder neck. This blockade prevents norepinephrine‑mediated vasoconstriction, producing vasodilation and reduced peripheral resistance, while also relaxing smooth muscle in the lower urinary tract, facilitating urine passage.

Side Effects

Common Side Effects

  • Dizziness: feeling light‑headed, especially when standing quickly.
  • Headache: mild to moderate intensity.
  • Fatigue: general tiredness or lack of energy.
  • Nasal congestion: blocked or runny nose.
  • Peripheral edema: swelling of ankles or feet.
  • Nausea: upset stomach or urge to vomit.

Serious or Rare Side Effects

  • Severe hypotension: marked drop in blood pressure that may cause fainting.
  • Syncope: sudden loss of consciousness.
  • Priapism: prolonged, painful erection.
  • Anaphylactic reaction: severe allergic response requiring immediate medical attention.
  • Hepatic injury: rare liver function abnormalities.

Precautions & Warnings

Before initiating therapy, consider the following precautions:

  • Blood pressure monitoring: check baseline and periodic readings to avoid excessive hypotension.
  • Renal impairment: assess kidney function and adjust dose if necessary.
  • Concomitant antihypertensives: monitor for additive blood‑pressure‑lowering effects.
  • History of orthostatic hypotension: start at the lowest dose and titrate slowly.
  • Pregnancy and lactation: use only if potential benefit justifies the risk.
  • Store at ambient temperature: keep below 25°C, protect from moisture and light.

Avoid Interactions

Terazosin may interact with several medicines; awareness of these interactions helps maintain safety.

Major Interactions (Avoid)

  • Sildenafil or other PDE5 inhibitors: risk of severe hypotension.
  • Potassium‑sparing diuretics: additive blood‑pressure‑lowering effect.
  • Other alpha‑blockers: excessive vasodilation may occur.

Moderate Interactions (Monitor Closely):\n- ACE inhibitors, ARBs, or other antihypertensives: may require dose adjustment.

  • CYP3A4 inhibitors (e.g., erythromycin, ketoconazole): can increase terazosin plasma levels.
  • Alcohol: may enhance hypotensive response.

Frequently Asked Questions

Hytrine, containing the active ingredient terazosin, is prescribed for managing essential hypertension and for relieving urinary symptoms associated with benign prostatic hyperplasia. By lowering systemic vascular resistance and relaxing smooth muscle in the prostate and bladder neck, it helps control blood pressure and improve urine flow in adult patients.

Terazosin works by selectively blocking alpha‑1 adrenergic receptors on vascular smooth muscle and in the lower urinary tract. This inhibition prevents norepinephrine‑induced vasoconstriction, leading to vasodilation and reduced peripheral resistance, while also relaxing prostatic and bladder‑neck smooth muscle to facilitate urinary passage.

The appropriate dose of Hytrine is determined by a qualified prescriber based on the individual’s medical condition, response to therapy, and any concurrent medications. Dosing may be started low and titrated upward, but exact regimens should always follow the prescribing physician’s instructions.

Safety data for terazosin in pregnancy and lactation are limited. It should only be used when the potential benefit to the mother outweighs any possible risk to the fetus or infant. Healthcare providers will evaluate the risk‑benefit profile before prescribing it to pregnant or nursing women.

To request Hytrine, 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 cold‑chain requirements), and necessary import documentation.

Hytrine (terazosin) shares the alpha‑1 blocking mechanism with drugs such as doxazosin and tamsulosin. Compared with tamsulosin, terazosin has a broader antihypertensive effect, while tamsulosin is more uro‑selective with fewer blood‑pressure effects. Doxazosin, like terazosin, treats both hypertension and BPH, but dosing schedules and side‑effect profiles may differ.

Hytrine should be stored at ambient temperature, preferably below 25 °C. Keep the product in its original packaging, protect it from moisture and direct sunlight, and ensure the container is tightly closed to maintain stability throughout its shelf life.

Hytrine is taken orally, usually with a full glass of water. It can be taken with or without food, but consistency with meals may help reduce occasional dizziness. Patients should follow the prescriber’s instructions regarding timing and whether the dose should be taken in the morning or evening.

The most serious adverse events to monitor include severe hypotension, which can cause fainting or dizziness, and rare occurrences of priapism or anaphylactic reactions. Prompt medical attention is required if symptoms such as sudden loss of consciousness, prolonged erection, or signs of an allergic reaction develop.

Hytrine is contraindicated in patients with known hypersensitivity to terazosin or any component of the formulation, in those with severe hypotension, and in individuals taking phosphodiesterase‑5 inhibitors (e.g., sildenafil) due to the risk of dangerous blood‑pressure drops. Caution is also advised for patients with a history of orthostatic hypotension.

Published by

GNH India Pharmaceuticals Limited

Licensed pharmaceutical supplier

Last updated:

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