Terms and conditions
^ "Viagra Connect 50 mg film-coated tablets Summary of Product Characteristics (SmPC)".
| Pharmacy Name | Website URL | Price per 100mg | Delivery Time | Ratings (out of 5) | Verified Certificates |
|---|---|---|---|---|---|
| IrishMedOnline | www.irishmedonline.ie | €15 | 2-3 days | 4.5 | GMP, ISO-certified |
| Meds2U | www.meds2u.ie | €14 | 3-5 days | 4.2 | Verified seller |
| PharmaIreland | www.pharmaireland.ie | €16 | 2-4 days | 4.0 | Legitimate licenses |
| OnlineMedicines | www.onlinemedicines.ie | €13 | 4-6 days | 4.3 | Verified pharmacy |
Archived from the original on 13 August 2020.
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In the United States, Pfizer received two patents for sildenafil: one for its indication to treat cardiovascular disease (marketed as Revatio) and another for its indication to treat erectile dysfunction (marketed as Viagra). The substance is the same under both brand names. Sildenafil is available as a generic drug in the United States, labeled for pulmonary arterial hypertension,[98] and to treat erectile dysfunction, as the patent expired in April 2020. In the US, Revatio and Viagra are marketed by Viatris after Upjohn was spun off from Pfizer. In Canada, Pfizer's patent 2,324,324 for Revatio (sildenafil used to treat pulmonary hypertension) was found invalid by the Federal Court in June 2010, on an application by Ratiopharm Inc.[106][107] On 8 November 2012, the Supreme Court of Canada ruled that Pfizer's patent 2,163,446 on Viagra was invalid from the beginning because the company did not provide full disclosure in its application.
How does Viagra work?
The decision, Teva Canada Ltd. v. Pfizer Canada Inc., pointed to section 27(3)(b) of The Patent Act which requires that disclosure must include sufficient information "to enable any person skilled in the art or science to which it pertains" to produce it. It added further: "As a matter of policy and sound statutory interpretation, patentees cannot be allowed to 'game' the system in this way. This, in my view, is the key issue in this appeal.
Answer confidential assessment
Teva Canada launched Novo-Sildenafil, a generic version of Viagra, on the day the Supreme Court of Canada released its decision. [109][110][111] To remain competitive, Pfizer then reduced the price of Viagra in Canada. [112] However, on 9 November 2012, Pfizer filed a motion for a re-hearing of the appeal in the Supreme Court of Canada,[113] on the grounds that the court accidentally exceeded its jurisdiction by voiding the patent. [114] Finally, on 22 April 2013, the Supreme Court of Canada invalidated Pfizer's patent altogether. Manufacture and sale of sildenafil citrate drugs is common in China, where Pfizer's patent claim is not widely enforced. Archived from the original on 11 October 2020.
| Product | Dosage | Quantity + Bonus | Price | |
|---|---|---|---|---|
| Kamagra Oral Jelly | 100mg | 21 Sachets | 95.92€ 91.35€ | |
| Kamagra Oral Jelly | 100mg | 10 Sachets | 54.55€ 51.95€ | |
| Viagra Generic | 100mg | 30 + 4 Pills | 60.91€ 58.01€ | |
| Kamagra Soft Tabs | 100mg | 12 Pills | 57.55€ 54.81€ | |
| Kamagra | 100mg | 20 Pills | 86.09€ 81.99€ | |
| Kamagra Polo | 100mg | 84 + 4 Pills | 244.49€ 232.85€ | |
| Kamagra Oral Jelly | 100mg | 90 + 8 Sachets | 303.56€ 289.10€ | |
| Kamagra Polo | 100mg | 60 + 4 Pills | 189.39€ 180.37€ | |
| Viagra Generic | 100mg | 60 + 4 Pills | 96.36€ 91.77€ | |
| Viagra Generic | 50mg | 120 + 6 Pills | 129.64€ 123.47€ | |
| Viagra Generic | 100mg | 120 + 6 Pills | 149.50€ 142.38€ |
Archived from the original on 11 November 2020.
- Sildenafil availability varies depending on supply chain status online.
- Online Ireland pharmacies sometimes offer next-day delivery options.
- Use privacy-focused payment methods for confidentiality when buying sildenafil.
- Beware of “cheap” sildenafil offers that may be counterfeit.
- Keep in mind that buying sildenafil online may require a health review.
- Confirm if the online pharmacy offers a secure SSL encrypted website.
- Sildenafil should be used only as prescribed by a healthcare provider.
- Check the expiration date before using sildenafil purchased online.
- Most online pharmacies in Ireland comply with EU health regulations.
- Maintain open communication with your doctor about sildenafil usage.
- Always read the product leaflet for instructions and warnings.
^ Nichols DJ, Muirhead GJ, Harness JA (6 March 2002).
Where Can You Get Viagra Without a Prescription in Europe?
Egypt approved Viagra for sale in 2002, but soon afterwards allowed local companies to produce generic versions of the drug, citing the interests of poor people who would not be able to afford Pfizer's price. In June 2013 Pfizer's patent on sildenafil citrate expired in some member countries of the European Union, including Austria, Denmark, France, Germany, Ireland, Italy, The Netherlands, Spain, Sweden, the United Kingdom, and Switzerland. [117][118][119] A UK patent held by Pfizer on the use of PDE5 inhibitors (see below) as treatment of impotence was women sildenafil invalidated in 2000 because of obviousness; this decision was upheld on appeal in 2002. Manufacture and sale of sildenafil citrate drugs known as "generic Viagra" is common in India, where Pfizer's patent claim does not apply. Brand names include Kamagra (Ajanta Pharma), Silagra (Cipla), Edegra (Sun Pharmaceutical), Penegra (Zydus Cadila), Manly (Cooper Pharma) and Zenegra (Alkem Laboratories).
Use Authorised EU Online Pharmacies
Sildenafil was reclassified in New Zealand in 2014 so it could be bought over the counter from a pharmacist. It is thought that this reduced sales over the Internet and was safer as males could be referred for medical advice if appropriate. In 1999 South Korea granted two patents to Pfizer related to sildenafil. The first document guaranteed sole production and sale of the substance until 2012, while the second gave Pfizer the exclusive use to treating erectile dysfunction with sildenafil until 2014. [123] In 2011 Hanmi Pharmaceutical and CJ CheilJedang launched a suit against the exclusive use patent. "Pharmacokinetics of sildenafil after single oral doses in healthy male subjects: absolute bioavailability, food effects and dose proportionality".
What Is the Difference Between Viagra and Sildenafil?
During that year Viagra sales slumped to 38% that of Palpal. There were 2,958,199 prescriptions for Sildenafil in 2016 in England, compared with 1,042,431 in 2006. In 2018, Viagra Connect, a particular formulation of Sildenafil marketed by Pfizer, became available for sale without a prescription in the UK. Archived from the original on 12 October 2020. ^ "Viagra 25mg film-coated tablets Summary of Product Characteristics (SmPC)". The American Society of Health-System Pharmacists.
Hot Offers
Viagra is one of the world's most counterfeited medicines. [90][91] According to a 2012 Pfizer study, around 80% of sites claiming to sell Viagra were selling counterfeits. An October 2023 release stated that erectile dysfunction medicines were the most seized drugs by the Interpol[92] accounting for 22% of seizures. In 1992, Pfizer filed a patent covering the substance sildenafil and its use to treat cardiovascular diseases. [96] This would be marketed sildenafil 12 5 mg as Revatio.
Best for same-day prescriptions: Numan
The patent was published in 1993 and expired in 2012. The patent on Revatio (indicated for pulmonary arterial hypertension rather than erectile dysfunction) expired in late 2012. Generic versions of this low-dose form of sildenafil have been available in the US from a number of manufacturers, including Greenstone, Mylan, and Watson, since early 2013. [97] Health care providers may prescribe generic sildenafil for erectile dysfunction. [98] For a time, the generic was not available in the same dosages as branded Viagra, so using dosages typically required for treating ED required patients to take multiple pills.
Key Takeaway
In 1994, Pfizer filed a patent covering the use of sildenafil to treat erectile dysfunction. [99] This would be marketed as Viagra. This patent was published in 2002 and expired in 2019. Teva sued to have the latter patent invalidated, but Pfizer prevailed in an August 2011 federal district court case. [100] An agreement with Pfizer allowed Teva to begin to provide the generic drug in December 2017. Archived from the sildenafil syrup original on 23 April 2020. PDE-5 inhibitors appear to have significant but moderate efficacy in secondary [Raynaud's phenomenon]. "Sublingual sildenafil in the treatment of erectile dysfunction: faster onset of action with less dose".
- Cost of sildenafil online varies depending on dosage and brand.
- Generic sildenafil offers a more affordable alternative to brand-name Viagra.
- Look for licensed Irish online pharmacies for safe sildenafil purchase.
- Sildenafil may interact with medications like nitrates or antihypertensives.
- Purchase sildenafil online with secure payment options for privacy.
- Avoid buying sildenafil from suspicious websites that lack contact info.
- Delivery times for online sildenafil orders in Ireland typically range from 1-7 days.
- Keep a record of your sildenafil purchase for future reference.
- Sildenafil effectiveness can be enhanced with a healthy lifestyle.
- Read customer reviews before choosing an online sildenafil supplier.
- Regular health check-ups are recommended when using sildenafil long-term.
"The Serendipitous Story of Sildenafil: An Unexpected Oral Therapy for Erectile Dysfunction".
- Online Ireland pharmacies may require an online health questionnaire.
- Sildenafil's effects can last for 4-6 hours post-administration.
- Be cautious of pharmacies offering sildenafil without a proper prescription.
- Verify authenticity by checking for official pharmacy seals or licenses.
- Sildenafil can sometimes cause temporary vision changes.
- Patients should disclose all medications to their healthcare provider beforehand.
- Use appropriate storage to preserve sildenafil's efficacy.
- Consider consulting a doctor for underlying causes of erectile dysfunction.
- When bought online, check shipping policies and customer service support.
- Use sildenafil responsibly to avoid potential health risks.
- Keep a record of all online transactions for safety and reference.
^ "Drug Approval Package: Viagra (sildenafil citrate) NDA #020895". U.S. Food and Drug Administration (FDA). Archived from the original on 31 March 2021.
Society and culture
In 2000, Viagra sales accounted for 92% of the global market for prescribed erectile dysfunction pills. [69] By 2007, Viagra's global share had plunged to about 50%[70] due to several factors, including the entry of Cialis and Levitra, along with several counterfeits and clones, and reports of vision loss in people taking PDE5 inhibitors. [71][72] In 2008, the FDA forced Pfizer to remove Viva Cruiser, an advergame for Viagra, from appearing on Forbes, after the game failed to disclose risk information about the drug. In February 2007, it was announced that Boots, the UK pharmacy chain, would try over-the-counter sales of Viagra in stores in Manchester, England. Males between the ages of 30 and 65 would be eligible to buy four tablets after a consultation with a pharmacist.
Recreational use
[75] In 2017, the Medicines and Healthcare products Regulatory Agency (MHRA) enacted legislation that expanded this nationwide,[76] allowing a particular branded formulation of Sildenafil, Viagra Connect (50 mg), to be sold over the counter and without a prescription throughout the UK from early 2018. While the sale remains subject to a consultation with a pharmacist, the other restrictions from the trial have been removed, allowing customers over the age of 18 to purchase an unlimited number of pills. In May 2013, Pfizer, which manufactures Viagra, told the Associated Press they will begin selling the drug directly to people on its website. Pfizer's patents on Viagra expired outside the US in 2012; in the US they were set to expire, but Pfizer settled litigation with each of Mylan and Teva which agreed that both companies could introduce generics in the US in December 2017. [79][80] In December 2017, Pfizer released its own generic version of Viagra.
How do I use the Viagra pill?
As of 2018[update], the US Food and Drug Administration has approved fifteen drug manufacturers to market generic sildenafil in the United States. Seven of these companies are based in India. The patent for Pfizer's Viagra sildenafil to treat erectile dysfunction expired in April 2020. In 2026 a chocolate syrup called Boner Bears from Lockout Supplements was recalled through the FDA because of it containing Sildenafil as an undisclosed ingredient. Counterfeit Viagra, despite generally being cheaper,[88] can contain harmful substances or substances that affect how Viagra works, such as blue printer ink, amphetamines, metronidazole, boric acid, and rat poison. Archived from the original on 12 August 2025. ^ "Sildenafil Drug Usage Statistics, United States, 2014 - 2023". "Generic Viagra: Two versions of sildenafil hit the market today". Archived from the original on 25 November 2018.
- Some Irish online pharmacies provide generic sildenafil with FDA approval.
- It is advisable to compare prices across multiple reputable online sites.
- Sildenafil should be part of a broader health and wellness approach.
- Beware of websites offering unrealistic discounts or miracle cures.
- Always check for pharmacy accreditation to ensure product quality.
- Sildenafil is not a cure but helps manage symptoms of erectile dysfunction.
- Confirm that the sildenafil packaging matches official branding standards.
- If side effects occur, stop use and consult a healthcare professional.
- Medication interactions should be reviewed before online purchase.
- Online customer support can assist with questions about sildenafil use.
- Educate yourself about the risks and benefits of sildenafil before buying.
Archived from the original on 12 February 2022. "With Viagra Now Available Over-The-Counter In The U.K., Will The U.S. "Phosphodiesterase inhibitors for erectile dysfunction in patients with diabetes mellitus".
| Dosage | Typical Use Cases | Onset Time | Duration of Effect | Common Side Effects | Notes |
|---|---|---|---|---|---|
| 25 mg | Mild Erectile Dysfunction | 30-60 min | 4-6 hours | Headache, flushing | Start with lowest dose |
| 50 mg | Moderate ED, occasional use | 30-60 min | 4-6 hours | Dizziness, nasal congestion | Adjust dose as needed |
| 100 mg | Severe ED, experienced users | 30-60 min | 4-6 hours | Vision changes, priapism | Consult doctor before use |
| Timing Tips | Take on an empty stomach for faster absorption | - | - | - | Avoid high-fat meals |
"Strategies for managing sexual dysfunction induced by antidepressant medication".
PLEASE NOTE - All products are listed as ‘Out of stock’, however most of these are actually in stock.
The Korean Court system made a ruling against Pfizer in June 2012, allowing for the unhindered domestic production of generic prescription sildenafil. In 2012, Viagra lost its position as the top selling erectile dysfunction treatment in South Korea. This development was credited largely "due to the introduction of generic products." Generic sildenafil became publicly available in May. Sales of PalPal by Hanmi Pharmaceuticals totalled ₩22 billion or about 86% the market share of Viagra that year. [125] By 2017, there were over 50 generic sildenafil pills available.