Viagra

Sildenafil

Designed to target erectile dysfunction and indicated to support sexual health in men.

Active ingredient
Sildenafil
Supply
Rx
Route
Oral use
Form
Film-coated tablet
Strengths
25 · 50 · 100 · 120 · 130 · 150 · 200mg

Viagra details

Alternative names
Vizarsin; Kamagra; Penegra
Therapeutic class
Phosphodiesterase-5 Inhibitor
Pharmacological class
PDE5 Inhibitor
Contraindications
concomitant nitric oxide donors; severe cardiovascular disease
Precautions and warnings
consult physician if history of heart issues
Minor side effects
headache; flushing
Moderate side effects
dyspepsia; visual changes
Dosage forms
Film-coated tablet
Administration route
Oral use
Supply category
Prescription only (specially controlled medicine)
Manufacturer
Viatris
Onset Time
30–60 minutes
Duration
4–6 hours
Storage instructions
Store below 25°C.
Drug interactions
nitrates; alpha-blockers
Age restrictions
Adults only.
Pregnancy and breastfeeding
Not applicable.
Serious side effects

priapism, requires immediate medical attention; cardiovascular collapse, requires immediate medical attention

Patient summary

Designed to target erectile dysfunction and indicated to support sexual health in men.

Mechanism of action

Sildenafil increases blood flow to the penis during sexual stimulation by preventing the breakdown of cyclic guanosine monophosphate.

Where this medicine is registered

  • Singapore
  • Hong Kong
  • Thailand
  • Malaysia
  • Philippines
  • Indonesia
  • Taiwan
  • South Korea
  • Japan
  • Australia
  • New Zealand
  • UAE
  • South Africa

About Viagra

Viagra is the original brand of sildenafil, a widely used treatment for erectile dysfunction. The same active ingredient is also available under brand names such as Vizarsin, Kamagra and Penegra, supplied as tablets in strengths ranging from 25mg to 200mg. Produced by Viatris, it is a well-established standard for managing this condition.

Buying Viagra online

Viagra is one of the most ordered medications across the region and is registered in 14 markets including Taiwan, South Korea and Japan, with availability also in the UAE, Singapore and Hong Kong. Generic sildenafil, often sourced from high-quality laboratories in India, offers a far more affordable alternative to the original brand. This ensures that expats and residents have consistent access to the medication they need, even when living far from a well stocked provider.