Product image of Normothen (Doxazosin Mesilate) supplied by GNH India

Normothen

Active Ingredient:
Doxazosin Mesilate
Origin:
EU

Normothen (Doxazosin Mesilate)

Doxazosin mesilate, the active ingredient in Normothen, is a alpha-1 adrenergic blocker presented as an oral tablet for oral use. It is indicated for the management of hypertension and for relief of urinary symptoms associated with benign prostatic hyperplasia in adult patients.
GNH India supplies Normothen as a licensed, GDP‑compliant international pharmaceutical supplier serving hospitals, pharmacies and clinics worldwide.

Manufacturer / TM Owner

Viatris Pharma S.R.L.

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Indications & Clinical Uses

  • Normothen, an alpha‑1 adrenergic blocker, is used in conditions where vascular tone or prostatic smooth‑muscle tone is a therapeutic target.
  • Hypertension: lowers systemic blood pressure by reducing peripheral vascular resistance.
  • Benign prostatic hyperplasia: relaxes smooth muscle in the prostate and bladder neck to improve urinary flow.
  • Elevated blood pressure: assists in achieving target blood pressure levels when combined with other antihypertensives.

How It Works

  • Doxazosin mesilate selectively and reversibly antagonizes alpha‑1 adrenergic receptors on vascular smooth muscle and in the prostate. Blockade of these receptors induces vasodilation, decreasing peripheral vascular resistance, and relaxes prostatic and bladder neck smooth muscle, facilitating urine passage.

Side Effects

Common Side Effects

  • Dizziness or light‑headedness
  • Headache
  • Fatigue or tiredness
  • Nasal congestion or runny nose
  • Peripheral edema
  • Nausea or abdominal discomfort

Serious or Rare Side Effects

  • Severe hypotension or syncope
  • Priapism (prolonged erection)
  • Liver function abnormalities
  • Allergic reactions such as rash or angioedema
  • Rapid heart rate or arrhythmia

Precautions & Warnings

Before initiating therapy, consider the following precautions:

  • Blood pressure monitoring: check baseline and periodic readings.
  • Hepatic impairment: dose may need adjustment; monitor liver enzymes.
  • Concomitant antihypertensives: risk of additive hypotension.
  • Prostate cancer: use with caution; evaluate disease status.
  • Renal impairment: assess renal function and adjust dose if needed.
  • Store at ambient temperature: keep in the original container, protect from moisture.

Avoid Interactions

Doxazosin may interact with several drug classes; awareness helps avoid adverse events.

Major Interactions (Avoid)

  • Potent CYP3A4 inhibitors (e.g., ketoconazole, itraconazole): may increase plasma levels.
  • Phosphodiesterase‑5 inhibitors (e.g., sildenafil, tadalafil): risk of severe hypotension.
  • Other potent antihypertensives (e.g., clonidine, nitroprusside): additive blood‑pressure lowering effect.

Moderate Interactions (Monitor Closely)

  • Diuretics: may enhance orthostatic hypotension; monitor electrolytes.
  • Beta‑blockers: combined effect on blood pressure; observe heart rate.
  • NSAIDs: may blunt antihypertensive response; assess renal function.

Frequently Asked Questions

Normothen contains doxazosin mesilate, an alpha‑1 adrenergic blocker that is prescribed to lower high blood pressure (hypertension) and to relieve urinary symptoms caused by benign prostatic hyperplasia in adult men.

Doxazosin mesilate blocks alpha‑1 receptors on blood vessels and in the prostate. This action relaxes vascular smooth muscle, causing vasodilation and reduced peripheral resistance, while also relaxing prostatic and bladder‑neck smooth muscle to improve urine flow.

The appropriate dose of Normothen is determined by a qualified prescriber based on the individual’s medical condition, response to therapy, and any other concurrent medications. Patients should follow the dosing instructions provided by their healthcare professional.

The safety of doxazosin mesilate in pregnancy and lactation has not been established. It should only be used if the potential benefit justifies the potential risk to the fetus or infant, and this decision must be made by a healthcare provider.

To request Normothen, 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.

Compared with other antihypertensives, doxazosin offers a once‑daily oral option that specifically targets alpha‑1 receptors, providing both blood‑pressure control and relief of BPH symptoms. Unlike ACE inhibitors or beta‑blockers, it does not affect the renin‑angiotensin system, which may be advantageous in patients intolerant to those classes.

Normothen should be stored at ambient temperature, below 25 °C, in its original packaging. Keep the tablets away from moisture, direct sunlight, and out of reach of children to maintain product stability.

Normothen is taken orally, usually once daily with or without food, as directed by the prescribing clinician. Swallow the tablet whole with a glass of water; do not crush or chew unless specifically instructed.

The most serious risks include severe hypotension, syncope, and rare cases of priapism. Patients should be advised to rise slowly from sitting or lying positions and to seek immediate medical attention if they experience prolonged erections or fainting.

Normothen is contraindicated in patients with known hypersensitivity to doxazosin or any component of the formulation. Caution is also advised for individuals with severe liver disease, uncontrolled hypotension, or those taking certain interacting medications without close monitoring.

Published by

GNH India Pharmaceuticals Limited

Licensed pharmaceutical supplier

Last updated:

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