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Our clinicians regularly offer patients the opportunity to take part in trials of new drugs and treatments.

Why trust our experts?

"Onset and duration of action of sildenafil for the treatment of erectile dysfunction". ^ "Scientist who developed Viagra receives knighthood in New Year's Honours". Archived from the original on 14 January 2023. "Sildenafil: from angina to erectile dysfunction to pulmonary hypertension and beyond". Archived from the original on 26 September 2008. Morriston Hospital in Swansea, was the first in the world to trial Viagra! ^ Boolell M, Allen MJ, Ballard SA, Gepi-Attee S, Muirhead GJ, Naylor AM, et al. "Sildenafil: an orally active type 5 cyclic GMP-specific phosphodiesterase inhibitor for the treatment of penile erectile dysfunction". "Sildenafil (Viagra), a potent and selective inhibitor of Type 5 cGMP phosphodiesterase with utility for the treatment of male erectile dysfunction". "Drug repositioning: identifying and developing new uses for existing drugs".

• The blue color comes from a specific dye (often FD&C Blue No. 2) used in the tablet coating.
• The shape—diamond or round—helps with brand recognition and prevents confusion with other meds.
• Some generic manufacturers produce blue pills of varying shades, but effectiveness remains equivalent.

Archived from the original on 22 April 2019. Archived from the original on 10 June 2019. "Health situation in former communist bloc is dire, says Unicef". Archived from the original on 1 November 2012. ^ Gurevich M, Cormier N, Leedham U, Brown-Bowers A (August 2018). Sexuopharmaceutical use by men as prevention and proficiency".

Product	Dosage	Quantity + Bonus	Price
Kamagra Oral Jelly	100mg	220 + 18 Sachets	662.24€ 630.70€	Buy
Cialis Original	20mg	14 + 2 Pills	95.75€ 91.19€	Buy
Viagra Generic	50mg	10 Pills	26.87€ 25.59€	Buy
Kamagra Effervescent Tablets	100 mg	42 + 7 Pills	122.97€ 117.11€	Buy
Cialis Generic	5mg	180 + 10 Pills	159.65€ 152.05€	Buy
Kamagra Soft Tabs	100mg	272 + 12 Pills	593.42€ 565.16€	Buy
Cialis Generic	2.5mg	20 Pills	40.73€ 38.79€	Buy
Viagra Generic	150mg	60 + 4 Pills	111.25€ 105.95€	Buy
Viagra Original	100mg	22 + 2 Pills	120.71€ 114.96€	Buy
Cialis Generic	2.5mg	10 Pills	28.51€ 27.15€	Buy

"Spreading the Word, but What Word is That? Viagra and Male Sexuality in Popular Culture". "A tadalista professional new view of women's sexual problems: Why new? Archived from the original on 3 January 2009. Archived from the original on 12 October 2008. "Sales of Impotence Drugs Fall, Defying Expectations".

Myth #4: Viagra is the only treatment option for ED

Archived from the original on 31 March 2021. 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.

Does sildenafil interact with other medicines (drug interactions)?

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". "Strategies for managing sexual dysfunction induced by antidepressant medication". The Cochrane Database of Systematic Reviews (5) CD003382. Archived from the original on 11 October 2007. ^ "Pfizer Courting More Controversy with Viagra 'Advergaming'". Archived from the original on 19 December 2019. Archived from the original on 6 May 2018. Archived from the original on 9 January 2009. Archived from the original on 22 February 2021. ^ a b "Viagra now available over the counter without prescription in the UK". Archived from the original on 26 March 2021. Archived from the original on 8 December 2013. "The coming generics threat to Pfizer's Viagra brand just got scarier". Archived from the original on 9 September 2017. ^ "Viagra to go generic in 2017 according to Pfizer agreement". Archived from the original on 1 December 2017. "Sex, Drugs and That Little Blue Pill".

UK DOCTORS AND CLINICIANS

Archived from the original on 14 August 2020. "Bears' Brandon Marshall says some NFL players use Viagra .. on the Field". Archived from the original on 5 March 2016. "Towards a decade of detecting new analogues of sildenafil, tadalafil and vardenafil in food supplements: a history, analytical aspects and health risks".

What should I do if I accidentally use too much sildenafil?

"Detection of sildenafil analogues in herbal products for erectile dysfunction". Archived from the original on 4 March 2016. ^ "FDA Warns Consumers About Dangerous Ingredients in "Dietary Supplements" Promoted for Sexual Enhancement". Archived from the original on 18 January 2017. ^ "Hidden Risks of Erectile Dysfunction 'Treatments' Sold Online". Archived from the original on 6 December 2017.

Side Effect	Typical Severity	Common Causes	Mitigation Strategies
Headache	Mild to moderate	Blood vessel dilation	Hydration, over-the-counter pain relievers
Flushing	Mild	Vasodilation	Cooling techniques, reducing dose
Nasal Congestion	Mild	Nasal blood vessel expansion	Decongestants, nasal sprays
Dizziness	Mild to moderate	Blood pressure drops	Sit or lie down, hydrate

"Why Pfizer Is About to Slash Viagra's Price in Half". Archived from the original on 7 December 2017. "Pfizer to lose patent of drug Viagra, Indian companies gear up with copycat versions: Pfizer's patent for the formulation of Viagra, used to treat impotence in men, ends in the US in 2020". Archived from the original on 17 April 2021. ^ "Set to conquer US, Indian 'Viagras' may give Pfizer fildena ct a hard Time". Archived from the original on 22 December 2020. ^ a b "Pfizer Settles Viagra® Patent Litigation With Teva". "Lockout Supplements Issues Voluntary Nationwide Recall of Boner Bears Chocolate Syrup Due to Undeclared Sildenafil". Archived from the original on 19 November 2016. "Counterfeit Viagra, Cialis, Levitra: The Ultimate Guide". Archived from the original on 10 January 2017. "Online pharmacies suspected of counterfeit drug sales".

Mechanism of action

Archived from the original on 10 October 2020. "Efficacy and safety of sildenafil treatment in pulmonary arterial hypertension: a systematic review". Archived from the original on 29 August 2021. "Raynaud's phenomenon and digital ischaemia--pharmacologic approach and alternative treatment options". "Efficacy of Sildenafil on healthy humans in high‑altitude hypoxia at rest and during exercise: A meta‑analysis".

Please note:

"Interventions for preventing high altitude illness: Part 1. Archived from the original on 10 June 2017. ^ "FDA Updates Labeling for Viagra, Cialis and Levitra for Rare Post-Marketing Reports of Eye Problems" (Press release). Archived from the original on 22 October 2016. "Vision disorders and phosphodiesterase type 5 inhibitors: a review of the evidence to date". ^ "Erectile Dysfunction Medication the Most Seized Drug During Global Crackdown, Interpol Says".

Country	Legal Status	Regulation Details	Notes
USA	Prescription required	FDA approval necessary for sale	Available via doctors
UK	Rx only	Classified as medication, requires prescription	Over-the-counter in some areas
Canada	Prescription only	Controlled substance laws apply	Found in pharmacies
Australia	Schedule 4 (Prescription)	Regulated, approved for medical use	Online sales restricted

^ "Global illicit medicines targeted by INTERPOL operation". Archived from the original on 10 December 2023.

Sildenafil (Viagra) contraindications

"Recreational use and misuse of phosphodiesterase 5 inhibitors". Archived from the original on 21 August 2016. "Sildenafil does not improve sexual function in men without erectile dysfunction but does reduce the postorgasmic refractory time". ^ McCambridge J, Mitcheson L, Hunt N, Winstock A (March 2006). "The rise of Viagra among British illicit drug users: 5-year survey data".

Increased genital blood flow

"Does marijuana use play a role in the recreational use of sildenafil?". Archived from the original on 26 January 2013. "Sildenafil accelerates reentrainment of circadian rhythms after advancing light schedules". Proceedings of the National Academy of Sciences of the United States of America. "Source: Roger Clemens, host of athletes pop Viagra to help onfield performance". ^ "Israeli-made AI exposes international fake Viagra network". ^ "Counterfeit Viagra Pills, Footwear, Belts, Car Emblems and Headphones Worth over $32 Million Seized at the LA/Long Beach Seaport U.S. Customs and Border Protection". Archived from the original on 12 October 2013.

• Erectile dysfunction can sometimes signal underlying health issues.
• Blue sex pills are not a cure but a management tool.
• Lifestyle factors like smoking and obesity impact erectile health.
• Some blue pills are designed as combination therapies.
• They may be taken as part of a broader treatment plan, including counseling.
• Patients should discuss all medications with their doctor.
• Blue pills can affect blood pressure, so monitoring is advised.
• Proper use increases the chance of optimal results and safety.

"Yes, There Is a Way to Get Generic Viagra". Archived from the original on 2 May 2016. "Pfizer Wins Viagra Patent Infringement Case Against Teva Pharmaceuticals".

Aspect	Blue Sex Pills	Traditional Viagra
Active Ingredients	Sildenafil, Tadalafil, others	Sildenafil
Availability	Over-the-counter and online	Prescription required
Cost	Generally cheaper	Usually more expensive
Onset Time	15-60 minutes	30-60 minutes
Duration	Varies (4-36 hours)	About 4-6 hours

Archived from the original on 11 January 2015. ^ "Pfizer Completes Transaction to Combine Its Upjohn Business with Mylan". Retrieved 17 June 2024 – via Business Wire. Archived from the original on 17 June 2024. "Viagra patent expires in June, says Brazilian court". Archived from the original on 17 April 2012. ^ "Revatio patent ruled invalid for lack of sound prediction and obviousness". Archived from the original on 3 March 2016.

• Certain blue pills are sold online without prescription.
• Users need to verify the legitimacy to avoid scams.
• Blue pills may interact dangerously with blood pressure meds.
• Cost varies significantly depending on brand and source.
• Generic versions of blue pills often cost less and are equally effective.
• Some blue pills contain additional substances for enhanced play.
• Never share prescription meds with others.
• Discontinuing use should be discussed with a healthcare professional.

{{cite web}}: CS1 maint: deprecated archival service (link) ^ Teva Canada Ltd. v. Pfizer Canada Inc., 2012 SCC 60 at par. "Supreme Court ruling could lead to cheaper versions of Viagra". Archived from the original on 10 March 2013. "Canadian Supreme court rules Viagra patent invalid". Archived from the original on 11 November 2012.

• Some blue pills are formulated for extended release.
• They often come with detailed dosing instructions.
• Fake blue pills often lack proper coating or markings.
• It’s critical to distinguish authentic medications from fakes.
• Over-the-counter supplements claiming to mimic blue pills are unregulated.
• Natural alternatives like L-arginine may support erectile health.
• Mental health issues like anxiety can reduce medication effectiveness.
• Awareness campaigns help educate about safe use of blue pills.

^ "Viagra patent tossed out by Supreme Court: Decision allows generic versions of drug to be produced". Archived from the original on 18 September 2013.

Society and culture

^ "FDA Announces Revisions to Labels for Cialis, Levitra and Viagra". "Drug interactions with phosphodiesterase-5 inhibitors used for the treatment of erectile dysfunction or pulmonary hypertension". "Pharmacology and drug interaction effects of the phosphodiesterase 5 inhibitors: focus on alpha-blocker interactions". Use of sildenafil (Viagra) in patients with cardiovascular disease. American College of Cardiology/American Heart Association".

Natural and over-the-counter alternatives for ED

Journal of the American College of Cardiology. ^ "Viagra (Sildenafil Citrate): Side libido booster for woman Effects, Interactions, Warning, Dosage & Uses". Archived from the original on 12 July 2018. "Young men add Viagra to their drug arsenal". Archived from the original on 4 September 2014. ^ "Pfizer Canada drops Viagra price after generic versions get Supreme Court green light". Archived from the original on 30 November 2012. Archived from the original on 27 December 2013.

THE VIAGRA FILE

Archived from the original on 23 April 2019. ^ R. Baselt, Disposition of Toxic Drugs and Chemicals in Man, 9th edition, Biomedical Publications, Seal Beach, CA, 2011, pp. Archived from the original (PDF) on 10 September 2011. "Structure of the catalytic domain of human phosphodiesterase 5 with bound drug molecules".

Interactions with other medications

^ a b Webb DJ, Freestone S, Allen MJ, Muirhead GJ (March 1999). "Sildenafil citrate and blood-pressure-lowering drugs: results of drug interaction studies with an organic nitrate and a calcium antagonist". ^ Goldstein I, Lue TF, Padma-Nathan H, Rosen RC, Steers WD, Wicker PA (May 1998). "Oral sildenafil in the treatment of erectile dysfunction. Archived from the original on 14 January 2012. "In rare move, Pfizer asks Supreme Court to reconsider ruling that killed Viagra patent". Archived from the original on 5 February 2013. "The Supreme Court of Canada holds Pfizer's Viagra patent invalid". Archived from the original on 20 May 2013. ^ "Actavis Launches Generic Viagra in Europe as Patents Expire". Archived from the original on 29 October 2013. "What Will Happen When Viagra Goes Generic?". Archived from the original on 23 April 2011. ^ "Is Viagra about to lose its pulling power in the UK?". Archived from the original on 30 October 2013. Archived from the original on 22 August 2009. Archived from the original on 25 June 2007. "Viagra from the pharmacist: insight from reclassification in New Zealand". Archived from the original on 17 May 2021.