Zionova Viagra (Sildenafil) 50mg Tablets

Name: Zionova Viagra 50mg – Sildenafil Tablets for Erectile Dysfunction
Brand: Zionova
SKU: Zionova Viagra
Price: 132.00 CAD
Availability: InStock
Rating: 4.97 (32 reviews)

Overview

Sildenafil was the first oral treatment for erectile dysfunction and is also used for pulmonary arterial hypertension.

This listing is Zionova Viagra 50mg (50 mg), photographed as we ship it and priced in Canadian dollars.

How it works

Sildenafil blocks PDE5, letting cGMP build up in penile blood vessels during arousal. It acts within about an hour and lasts four to six hours.

Clinical reference

Canadian labelling for erectile dysfunction is 50 mg about an hour before sexual activity, adjusted to 25 or 100 mg, no more than once a day.

Reference information from product labels and clinical literature only. It is not a recommendation or dosing advice for you; any use should be set and monitored by a doctor.

Measuring calculator

Type the amount from your prescription or clinician; the calculator only converts it. It does not suggest how much to take.

Amount per daymg

Tablets per day–

Days per bottle–

Tablet strength50 mg

Combinations and interactions

Never with nitrates.
Caution with alpha-blockers.
CYP3A4 inhibitors raise its levels.

Risks and side effects

Headache and flushing. Common.
Vision tint. Bluish vision is reported at higher amounts.
Priapism. Seek emergency care for an erection lasting over four hours.

Do not use it if you take nitrates, have had a recent heart attack or stroke, or severe liver or kidney disease.

Bloodwork to discuss with your doctor

Blood pressure

Chemistry

Sildenafil citrate

Formula: C₂₈H₃₈N₆O₁₁S
Molecular weight: 666.7 g/mol
CAS: 171599-83-0
PubChem: CID 135413523

Research

Peer-reviewed papers behind the facts on this page, each linked to its PubMed record.

Oral sildenafil in the treatment of erectile dysfunction. Sildenafil Study GroupGoldstein I et al. · N Engl J Med 1998 · PMID 9580646
Phosphodiesterase Type 5 Inhibitors and Oral Nitrates in Male Patients with Ischemic Heart DiseaseMorrisette MJ, Dunn SP · Curr Cardiol Rep 2023 · PMID 37074567

Storage and handling

Keep the bottle tightly closed at room temperature, away from moisture, heat and children. Do not move tablets into unlabelled containers.

Canadian legal status

This is a prescription medicine in Canada. A doctor should assess whether it suits you, choose the dose and monitor you while you use it.

FAQ

What strength are the tablets?

Zionova lists 50 mg; Genetix lists 30 mg per tablet.

Does food slow it down?

A heavy, fatty meal delays onset.

Is it the same as Revatio?

Same drug; Revatio is the lower-dose form for lung hypertension.

How fast will it reach me?

Orders leave Vancouver by Canada Post Xpresspost and the tracking number arrives within 72 hours of your e-Transfer. Most provinces receive parcels 1 to 6 business days after that; the territories can take up to 10. Xpresspost is free on orders over $300, and a lost or seized parcel is reshipped at no charge.