Sildenafil
Drugs Used In Erectile Dysfunction
Sold as Patrex · Vizarsin · Granpidam · Mysildecard · VIAGRA
- Drug class
- Drugs Used In Erectile Dysfunction
- Availability
- Prescription only
- Routes
- Oral, Intravenous
- Markets covered
- 4
- Products on record
- 260
- FDA reports (12 mo)
- 4,349
Overview
Plain-language summary, compiled from the cited regulatory records
Sildenafil is a medication belonging to the drug class of drugs used in erectile dysfunction [1]. It functions as a phosphodiesterase-5 (PDE5) inhibitor [1].
Sildenafil is approved for the treatment of erectile dysfunction (ED) [1]. It is available in the market under various brand names, including Viagra [1].
In the past 12 months, there have been 4349 adverse event reports associated with sildenafil [2]. The most frequently reported adverse reactions include headache, dyspnoea, cough, diarrhoea, and fatigue [2].
This is not medical advice. Consult a qualified healthcare professional.
Regulatory status by market
| Market | Regulator | Products | Last revision |
|---|---|---|---|
| GB United Kingdom | MHRA | 144 | May 29, 2026 |
| CA Canada | Health Canada | 83 | March 11, 2026 |
| US United States | FDA | 25 | May 21, 2026 |
| EU European Union | EMA | 8 | May 7, 2026 |
GBUnited Kingdom· MHRA
144 products
Uses
Adults Treatment of adult patients with pulmonary arterial hypertension classified as WHO functional class II and III, to improve exercise capacity. Efficacy has been shown in primary pulmonary hypertension and pulmonary hypertension associated with connective tissue disease.
Paediatric population Treatment of paediatric patients aged 1 year to 17 years old with pulmonary arterial hypertension. 1).
How to take
CACanada· Health Canada
83 products
Uses
VIAGRA (sildenafil) is indicated for: • the treatment of erectile dysfunction, which is the inability to achieve or maintain a penile erection sufficient for satisfactory sexual performance. 1 Pediatrics Pediatrics (< 18 years of age): No data are available to Health Canada; therefore, Health Canada has not authorized an indication for pediatric use.
2 Geriatrics Geriatrics: Evidence from clinical studies and experience suggests that use in the geriatric population is associated with differences in safety or effectiveness.
How to take
USUnited States· FDA
25 products
Uses
1 INDICATIONS AND USAGE Sildenafil tablets are indicated for the treatment of erectile dysfunction. Sildenafil is a phosphodiesterase-5 (PDE5) inhibitor indicated for the treatment of erectile dysfunction (ED)
How to take
EUEuropean Union· EMA
8 products
Uses
Adults Treatment of adult patients with pulmonary arterial hypertension classified as WHO functional class II and III, to improve exercise capacity. Efficacy has been shown in primary pulmonary hypertension and pulmonary hypertension associated with connective tissue disease.
Paediatric population Treatment of paediatric patients aged 1 year to 17 years old with pulmonary arterial hypertension. 1).
How to take
Drug interactions
Known interactions involving Sildenafil. Select one for details. This list is informational and not a complete interaction checker.
Showing 240 of 513. Type above to find a specific drug.
Interaction data compiled from DDInter (academic, CC-BY). Severity classification only - this is not a complete interaction checker and not medical advice.
Sources & citations
- [1]MHRA (UK) · PL494450011 · revised November 8, 2024
- [2]Health Canada (DPD) · 02239766 · revised March 22, 2025
- [3]FDA DailyMed · 00ee09dd-2de0-4d… · revised April 4, 2025 [PDF]
- [4]European Medicines Agency · EMEA/H/C/004186 · revised May 7, 2026
- [5]OpenFDA adverse-event reports (US), 12 months ending June 4, 2026.
Information on this page is compiled from public regulatory records. Drugvu is not affiliated with any regulator or pharmaceutical manufacturer. This is not medical advice. Always consult a qualified healthcare professional.