Hydrochlorothiazide vs Vardenafil: side-by-side comparison
Hydrochlorothiazide (Thiazide diuretic) and Vardenafil (PDE5 inhibitor) belong to different therapeutic classes and are rarely substitutes for each other. The comparison is useful when a single patient is weighing both options for adjacent or overlapping needs.
| Property | Hydrochlorothiazide | Vardenafil |
|---|---|---|
| Therapeutic class | Thiazide diuretic | PDE5 inhibitor |
| CAS | 58-93-5 | 224785-91-5 |
| ATC | C03AA03 | G04BE09 |
| Molecular weight | 297.74 g/mol | 488.6 g/mol |
| Brands with this active ingredient | 1 | 2 |
What they share
Hydrochlorothiazide and Vardenafil share the common regulatory framework for prescription active ingredients, bioequivalence standards for generics, and pharmacist oversight. Beyond that, points in common are limited.
Key differences
Hydrochlorothiazide acts by a different mechanism than Vardenafil, with indications that barely overlap. Comparing the two is useful when a clinician has mentioned both in the same context or the patient wants to understand why one was prescribed instead of the other.
Mechanisms compared
Hydrochlorothiazide: L'hydrochlorothiazide bloque le symporteur sodium-chlore du tube contourné distal du rein, réduisant la réabsorption du sodium et produisant une diurèse modérée. Vardenafil: Le vardénafil inhibe sélectivement la PDE5, l'enzyme qui dégrade le guanosine monophosphate cyclique dans le corps caverneux.
Indications compared
Hydrochlorothiazide: L'hydrochlorothiazide est autorisé dans l'hypertension artérielle (seul ou en association), dans les œdèmes de l'insuffisance cardiaque, de la cirrhose hépatique ou du syndrome néphrotique, et dans certaines affections r… Vardenafil: Le vardénafil est autorisé chez l'homme adulte dans le traitement de la dysfonction érectile.
Safety profile
Hydrochlorothiazide: Les effets indésirables fréquents comprennent hypokaliémie, hyponatrémie, hyperuricémie (avec crises de goutte), hyperglycémie, dyslipidémie et hypotension orthostatique. Vardenafil: Les effets indésirables fréquents observés dans les essais cliniques comprennent céphalées, bouffées vasomotrices du visage, congestion nasale, dyspepsie et vertiges.
Questions fréquentes
Is Hydrochlorothiazide better than Vardenafil? ▾
Hydrochlorothiazide and Vardenafil are not "better or worse" — they treat different things. The sensible question is which fits your specific need.
Can Hydrochlorothiazide and Vardenafil be combined? ▾
Whether they can be combined depends on the indications and the interaction profile of each. If both are in a single prescription, the prescriber has weighed it; in self-medication they should never be combined.
Do they have the same side-effect profile? ▾
No — they belong to different classes and have distinct side-effect profiles. Each has its own prescribing information.
Products with Hydrochlorothiazide
Products with Vardenafil
Les informations publiées sur ce site sont fournies à titre documentaire et pédagogique. Elles ne remplacent pas l'avis d'un professionnel de santé qualifié.