Viagra Jelly

Viagra Jelly is a brand name for a specific formulation of sildenafil citrate, which is a medication used to treat erectile dysfunction (ED) in men. It belongs to a class of drugs called phosphodiesterase type 5 (PDE5) inhibitors. Here is some information about Viagra Jelly:

VIAGRA JELLY

Treatment of Erectile Dysfunction

Viagra Jelly (sildenafil citrate) is primarily prescribed for the treatment of erectile dysfunction, a condition characterized by the inability to achieve or maintain an erection sufficient for sexual activity. It works by increasing blood flow to the penis during sexual stimulation, resulting in a firm and lasting erection.

Formulation and Administration

Viagra Jelly is a gel-like formulation of sildenafil citrate that comes in individual sachets. It is designed to be taken orally and does not require water for administration. The jelly is typically squeezed directly into the mouth and swallowed. It is absorbed more quickly compared to traditional tablets, allowing for faster onset of action.

Dosage and Timing

The appropriate dosage of Viagra Jelly will depend on factors such as the individual’s age, overall health, and response to the medication. It is important to follow the dosage instructions provided by a healthcare professional and not exceed the recommended dose. It is typically taken 15 to 30 minutes before sexual activity. The duration of action can vary, but it is generally effective for up to four to six hours.

Precautions and Potential Side Effects

Viagra Jelly is generally well-tolerated when used as directed. Common side effects may include headache, facial flushing, nasal congestion, indigestion, and dizziness. These side effects are usually mild and temporary.

However, more serious side effects, although rare, may include sudden vision loss, priapism (a prolonged and painful erection), or allergic reactions. If any severe or persistent side effects occur, it is important to seek immediate medical attention.

Viagra Jelly may interact with certain medications, so it is important to inform your healthcare professional about all the medications you are currently taking.

Consultation with Healthcare Professional

Viagra Jelly is a prescription medication, and its use should be supervised by a healthcare professional. It is important to consult with a doctor or urologist to discuss your specific condition, determine the appropriate dosage, and assess any potential underlying causes of erectile dysfunction.

WARNING: Please consult with a healthcare professional or doctor for personalized advice and guidance regarding the use of Viagra Jelly or any other medication for the treatment of erectile dysfunction. They will be able to provide specific instructions based on your medical history and individual needs.

References

  1. ^ “Sildenafil Use During Pregnancy”Drugs.com. 7 October 2019. Retrieved 6 October 2020.
  2. ^ “Viagra 25mg film-coated tablets – Summary of Product Characteristics (SmPC)”(emc). 7 August 2020. Retrieved 6 October 2020.
  3. ^ “Viagra Connect 50 mg film-coated tablets – Summary of Product Characteristics (SmPC)”(emc). 5 December 2017. Retrieved 6 October 2020.
  4. Jump up to:a b c d e f g “Viagra- sildenafil citrate tablet, film coated”DailyMed. Retrieved 6 October 2020.
  5. Jump up to:a b “Viagra EPAR”European Medicines Agency. 17 September 2018. Retrieved 6 October 2020.
  6. ^ “Revatio EPAR”European Medicines Agency. 17 September 2018. Retrieved 6 October 2020.
  7. ^ Nichols DJ, Muirhead GJ, Harness JA (6 March 2002). “Pharmacokinetics of sildenafil after single oral doses in healthy male subjects: absolute bioavailability, food effects and dose proportionality”British Journal of Clinical Pharmacology53 (Suppl 1): 5S–12S. doi:10.1046/j.0306-5251.2001.00027.xPMC 1874258PMID 11879254.
  8. Jump up to:a b c d e f g h i j k l “Sildenafil Citrate”. The American Society of Health-System Pharmacists. Retrieved 1 December 2014.
  9. Jump up to:a b Goldstein I, Burnett AL, Rosen RC, Park PW, Stecher VJ (January 2019). “The Serendipitous Story of Sildenafil: An Unexpected Oral Therapy for Erectile Dysfunction”. Sexual Medicine Reviews7 (1): 115–128. doi:10.1016/j.sxmr.2018.06.005PMID 30301707S2CID 52945888.
  10. ^ “Drug Approval Package: Viagra (sildenafil citrate) NDA #020895”U.S. Food and Drug Administration (FDA). 27 March 1998. Retrieved 15 February 2021.
  11. ^ “The Top 300 of 2020”ClinCalc. Retrieved 7 October 2022.
  12. ^ “Sildenafil – Drug Usage Statistics”ClinCalc. Retrieved 7 October 2022.
  13. ^ Gordon S (11 December 2017). “Generic Viagra: Two versions of sildenafil hit the market today”CBS News. Retrieved 24 November 2018.
  14. ^ “Competitive Generic Therapy Approvals”U.S. Food and Drug Administration (FDA). 3 March 2023. Retrieved 6 March 2023.
  15. ^ LaMattina J. “With Viagra Now Available Over-The-Counter In The U.K., Will The U.S. Follow Suit?”Forbes. Retrieved 24 November 2018.
  16. ^ “Pfizer Synthesis Facility, Ringaskiddy, Ireland – Pharmaceutical Technology”www.pharmaceutical-technology.com. Retrieved 10 April 2021.
  17. ^ Vardi M, Nini A (January 2007). “Phosphodiesterase inhibitors for erectile dysfunction in patients with diabetes mellitus”The Cochrane Database of Systematic Reviews2009 (1): CD002187. doi:10.1002/14651858.CD002187.pub3PMC 6718223PMID 17253475.
  18. ^ Taylor MJ, Rudkin L, Bullemor-Day P, Lubin J, Chukwujekwu C, Hawton K (May 2013). “Strategies for managing sexual dysfunction induced by antidepressant medication”The Cochrane Database of Systematic Reviews (5): CD003382. doi:10.1002/14651858.CD003382.pub3PMID 23728643.
  19. ^ Wang RC, Jiang FM, Zheng QL, Li CT, Peng XY, He CY, et al. (March 2014). “Efficacy and safety of sildenafil treatment in pulmonary arterial hypertension: a systematic review”Respiratory Medicine108 (3): 531–7. doi:10.1016/j.rmed.2014.01.003PMID 24462476. Retrieved 5 November 2016.
  20. Jump up to:a b Roustit M, Blaise S, Allanore Y, Carpentier PH, Caglayan E, Cracowski JL (October 2013). “Phosphodiesterase-5 inhibitors for the treatment of secondary Raynaud’s phenomenon: systematic review and meta-analysis of randomised trials”Annals of the Rheumatic Diseases72 (10): 1696–9. doi:10.1136/annrheumdis-2012-202836PMID 23426043S2CID 33666968PDE-5 inhibitors appear to have significant but moderate efficacy in secondary [Raynaud’s phenomenon].
  21. Jump up to:a b Linnemann B, Erbe M (2016). “Raynaud’s phenomenon and digital ischaemia–pharmacologic approach and alternative treatment options”. VASA. Zeitschrift für Gefasskrankheiten45 (3): 201–12. doi:10.1024/0301-1526/a000526PMID 27129065Phosphodiesterase inhibitors (e.g., sildenafil) can also improve [Raynaud’s phenomenon] symptoms and ulcer healing
  22. ^ Nieto Estrada VH, Molano Franco D, Medina RD, Gonzalez Garay AG, Martí-Carvajal AJ, Arevalo-Rodriguez I (June 2017). “Interventions for preventing high altitude illness: Part 1. Commonly-used classes of drugs”The Cochrane Database of Systematic Reviews6 (12): CD009761. doi:10.1002/14651858.CD009761.pub2PMC 6481751PMID 28653390.
  23. ^ “Viagra and Vision”. VisionWeb. 29 October 2001. Archived from the original on 10 June 2017. Retrieved 5 November 2016.
  24. ^ “FDA Updates Labeling for Viagra, Cialis and Levitra for Rare Post-Marketing Reports of Eye Problems” (Press release). U.S. Food and Drug Administration. 8 July 2005. Archived from the original on 22 October 2016. Retrieved 5 November 2016.
  25. ^ Laties AM (January 2009). “Vision disorders and phosphodiesterase type 5 inhibitors: a review of the evidence to date”. Drug Safety32 (1): 1–18. doi:10.2165/00002018-200932010-00001PMID 19132801S2CID 207296076.
  26. ^ “FDA Announces Revisions to Labels for Cialis, Levitra and Viagra”. U.S. Food and Drug Administration (FDA). 18 October 2007. Archived from the original on 22 October 2016. Retrieved 5 November 2016.
  27. ^ Schwartz BG, Kloner RA (July 2010). “Drug interactions with phosphodiesterase-5 inhibitors used for the treatment of erectile dysfunction or pulmonary hypertension”Circulation122 (1): 88–95. doi:10.1161/CIRCULATIONAHA.110.944603PMID 20606131S2CID 13207143.
  28. ^ Kloner RA (December 2005). “Pharmacology and drug interaction effects of the phosphodiesterase 5 inhibitors: focus on alpha-blocker interactions”. The American Journal of Cardiology96 (12B): 42M–46M. doi:10.1016/j.amjcard.2005.07.011PMID 16387566.
  29. ^ Cheitlin MD, Hutter AM, Brindis RG, Ganz P, Kaul S, Russell RO, Zusman RM (January 1999). “ACC/AHA expert consensus document. Use of sildenafil (Viagra) in patients with cardiovascular disease. American College of Cardiology/American Heart Association”Journal of the American College of Cardiology33 (1): 273–82. doi:10.1016/S0735-1097(98)00656-1PMID 9935041.
  30. ^ “Viagra (Sildenafil Citrate): Side Effects, Interactions, Warning, Dosage & Uses”RxList. Retrieved 11 July 2018.
  31. ^ Peterson K (21 March 2001). “Young men add Viagra to their drug arsenal”USA Today.
  32. Jump up to:a b c d e Smith KM, Romanelli F (2005). “Recreational use and misuse of phosphodiesterase 5 inhibitors”. Journal of the American Pharmacists Association45 (1): 63–72, quiz 73–5. doi:10.1331/1544345052843165PMID 15730119.
  33. ^ “Sildenafil Will Not Affect Libido – Fact!”. Retrieved 15 July 2016.
  34. Jump up to:a b Mondaini N, Ponchietti R, Muir GH, Montorsi F, Di Loro F, Lombardi G, Rizzo M (June 2003). “Sildenafil does not improve sexual function in men without erectile dysfunction but does reduce the postorgasmic refractory time”International Journal of Impotence Research15 (3): 225–8. doi:10.1038/sj.ijir.3901005PMID 12904810.
  35. ^ McCambridge J, Mitcheson L, Hunt N, Winstock A (March 2006). “The rise of Viagra among British illicit drug users: 5-year survey data”Drug and Alcohol Review25 (2): 111–3. doi:10.1080/09595230500537167PMID 16627299S2CID 40250895.
    – Eloi-Stiven ML, Channaveeraiah N, Christos PJ, Finkel M, Reddy R (November 2007). “Does marijuana use play a role in the recreational use of sildenafil?”. The Journal of Family Practice56 (11): E1-4. PMID 17976333.
  36. ^ “The 2007 Ig Nobel Prize Winners”. Improbable Research. 4 October 2007. Archived from the original on 26 January 2013. Retrieved 10 February 2009.
  37. ^ Agostino PV, Plano SA, Golombek DA (June 2007). “Sildenafil accelerates reentrainment of circadian rhythms after advancing light schedules”Proceedings of the National Academy of Sciences of the United States of America104 (23): 9834–9. Bibcode:2007PNAS..104.9834Adoi:10.1073/pnas.0703388104PMC 1887561PMID 17519328.
  38. ^ Thompson T, Red C, O’Keefffe M, Vinton N (10 June 2008). “Source: Roger Clemens, host of athletes pop Viagra to help onfield performance”Daily NewsArchived from the original on 14 August 2020. Retrieved 10 February 2009.
  39. ^ Busbee J (28 November 2012). “Bears’ Brandon Marshall says some NFL players use Viagra … ON THE FIELD”Yahoo! Sports. Archived from the original on 5 March 2016. Retrieved 28 November 2012.
  40. ^ Venhuis BJ, de Kaste D (October 2012). “Towards a decade of detecting new analogues of sildenafil, tadalafil and vardenafil in food supplements: a history, analytical aspects and health risks”. Journal of Pharmaceutical and Biomedical Analysis69: 196–208. doi:10.1016/j.jpba.2012.02.014PMID 22464558.
  41. ^ Oh SS, Zou P, Low MY, Koh HL (November 2006). “Detection of sildenafil analogues in herbal products for erectile dysfunction”. Journal of Toxicology and Environmental Health. Part A69 (21): 1951–8. doi:10.1080/15287390600751355PMID 16982533S2CID 40831895.
  42. ^ Venhuis BJ, Blok-Tip L, de Kaste D (May 2008). “Designer drugs in herbal aphrodisiacs”. Forensic Science International177 (2–3): e25-7. doi:10.1016/j.forsciint.2007.11.007PMID 18178354.
  43. ^ “FDA letter to Libidus distributor”US FDA. 11 July 2006. Archived from the original on 4 March 2016.
  44. ^ “FDA Warns Consumers About Dangerous Ingredients in “Dietary Supplements” Promoted for Sexual Enhancement”US FDA. 12 July 2006. Archived from the original on 18 January 2017.
  45. ^ “Hidden Risks of Erectile Dysfunction ‘Treatments’ Sold Online”US FDA. 21 February 2009. Retrieved 8 December 2020.
  46. ^ R. Baselt, Disposition of Toxic Drugs and Chemicals in Man, 9th edition, Biomedical Publications, Seal Beach, CA, 2011, pp. 1552–53. “Sildenafil” (PDF). Biomedical Publications. Archived from the original (PDF) on 10 September 2011. Retrieved 1 July 2011.
  47. ^ Sung BJ, Hwang KY, Jeon YH, Lee JI, Heo YS, Kim JH, et al. (September 2003). “Structure of the catalytic domain of human phosphodiesterase 5 with bound drug molecules”. Nature425 (6953): 98–102. Bibcode:2003Natur.425…98Sdoi:10.1038/nature01914PMID 12955149S2CID 4404590.
  48. Jump up to: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”. The American Journal of Cardiology83 (5A): 21C–28C. doi:10.1016/S0002-9149(99)00044-2PMID 10078539.
  49. Jump up to:a b Francis SH, Busch JL, Corbin JD, Sibley D (September 2010). “cGMP-dependent protein kinases and cGMP phosphodiesterases in nitric oxide and cGMP action”Pharmacological Reviews62 (3): 525–63. doi:10.1124/pr.110.002907PMC 2964902PMID 20716671.
  50. ^ Goldstein I, Lue TF, Padma-Nathan H, Rosen RC, Steers WD, Wicker PA (May 1998). “Oral sildenafil in the treatment of erectile dysfunction. Sildenafil Study Group”. The New England Journal of Medicine338 (20): 1397–1404. doi:10.1056/NEJM199805143382001PMID 9580646.
  51. ^ “Viagra Clinical Pharmacology”. RxList.com. 2008. Retrieved 20 August 2008.
  52. ^ Eardley I, Ellis P, Boolell M, Wulff M (2002). “Onset and duration of action of sildenafil for the treatment of erectile dysfunction”British Journal of Clinical Pharmacology53 (Suppl 1): 61S–65S. doi:10.1046/j.0306-5251.2001.00034.xPMC 1874251PMID 11879261.
  53. ^ Deveci S, Peşkircioğlu L, Aygün C, Tekin MI, Dirim A, Ozkardeş H (November 2004). “Sublingual sildenafil in the treatment of erectile dysfunction: faster onset of action with less dose”International Journal of Urology11 (11): 989–92. doi:10.1111/j.1442-2042.2004.00933.xPMID 15509203S2CID 28302024.
  54. ^ Dunn PJ (2005). “Synthesis of Commercial Phosphodiesterase(V) Inhibitors”Org Process Res Dev2005 (1): 88–97. doi:10.1021/op040019cS2CID 93589067.
  55. ^ “Scientist who developed Viagra receives knighthood in New Year’s Honours”The Pharmaceutical Journal. Royal Pharmaceutical Society. 2014. doi:10.1211/pj.2014.20067494ISSN 2053-6186.
  56. ^ Ghofrani HA, Osterloh IH, Grimminger F (August 2006). “Sildenafil: from angina to erectile dysfunction to pulmonary hypertension and beyond”Nat Rev Drug Discov5 (8): 689–702. doi:10.1038/nrd2030PMC 7097805PMID 16883306.
  57. ^ “Research”ABM. Abertawe Bro Morgannwg University Health Board. 4 July 2008. Archived from the original on 26 September 2008. Retrieved 6 August 2008. Our clinicians regularly offer patients the opportunity to take part in trials of new drugs and treatments. Morriston Hospital in Swansea, was the first in the world to trial Viagra!
  58. ^ Boolell M, Allen MJ, Ballard SA, Gepi-Attee S, Muirhead GJ, Naylor AM, et al. (June 1996). “Sildenafil: an orally active type 5 cyclic GMP-specific phosphodiesterase inhibitor for the treatment of penile erectile dysfunction”. International Journal of Impotence Research8 (2): 47–52. PMID 8858389.
  59. ^ Terrett NK, Bell AS, Brown D, Elllis P (1996). “Sildenafil (Viagra), a potent and selective inhibitor of Type 5 cGMP phosphodiesterase with utility for the treatment of male erectile dysfunction”. Bioorg Med Chem Lett6 (15): 1819–24. doi:10.1016/0960-894X(96)00323-X.
  60. ^ Ashburn TT, Thor KB (August 2004). “Drug repositioning: identifying and developing new uses for existing drugs”. Nature Reviews. Drug Discovery3 (8): 673–83. doi:10.1038/nrd1468PMID 15286734S2CID 205475073.
  61. ^ Institute of Medicine (2014). Drug Repurposing and Repositioning: Workshop Summary. National Academies Press. ISBN 9780309302043.
  62. ^ Kling J (1998). “From hypertension to angina to Viagra”. Mod. Drug Discov1: 31–38. ISSN 1532-4486OCLC 41105083.
  63. ^ “Portions of the 2010 Financial Report”. Retrieved 15 July 2016.
  64. ^ Ciment J (November 1999). “Health situation in former communist bloc is dire, says Unicef”BMJ319 (7221): 1324. doi:10.1136/bmj.319.7221.1324gPMC 1174637PMID 10567131.
  65. ^ Devine A (29 September 2008). “Chemists plan to sell Viagra on the internet”Daily Record. Retrieved 30 April 2012.
  66. ^ Keith A (2000). “The economics of Viagra”Health Affairs19 (2): 147–57. doi:10.1377/hlthaff.19.2.147PMID 10718028.
  67. ^ McGuire S (1 January 2007). “Cialis gaining market share worldwide”Medical Marketing & Media. Haymarket Media. Archived from the original on 3 January 2009. Retrieved 10 February 2009.
  68. ^ Mullin R (20 June 2005). “Viagra”Chemical & Engineering News83 (25). Retrieved 20 August 2008.
  69. ^ Berenson A (4 December 2005). “Sales of Impotence Drugs Fall, Defying Expectations”The New York Times. Retrieved 20 August 2008.
  70. ^ “Pfizer Courting More Controversy with Viagra ‘Advergaming'”www.cbsnews.com. Retrieved 19 December 2019.
  71. ^ “FDA gave Pfizer hard time over Viagra game”Engadget. Retrieved 19 December 2019.
  72. ^ “Over-the-counter Viagra piloted”BBC News. 11 February 2007. Retrieved 10 February 2009.
  73. ^ “Viagra can be sold over the counter”BBC News. 28 November 2017. Retrieved 5 April 2018.
  74. Jump up to:a b “Viagra now available over the counter without prescription in the UK”The Independent. 27 March 2018. Retrieved 5 April 2018.
  75. ^ “Pfizer to sell Viagra online, in first for Big Pharma: AP”CBS News. Associated Press. Retrieved 6 May 2013.
  76. ^ Helfand C (14 April 2015). “The coming generics threat to Pfizer’s Viagra brand just got scarier”FiercePharma.
  77. ^ “Viagra to go generic in 2017 according to Pfizer agreement”CBS News. 17 December 2013.
  78. ^ Nocera J (6 December 2017). “Sex, Drugs and That Little Blue Pill”. Bloomberg. Retrieved 10 December 2017.
  79. ^ Mukherjee S (6 December 2017). “Why Pfizer Is About to Slash Viagra’s Price in Half”Fortune. Retrieved 6 December 2017.
  80. ^ Chandna H (7 August 2018). “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”Hindustan TimesNew Delhi. Retrieved 10 August 2018.
  81. ^ “Set to conquer US, Indian ‘Viagras’ may give Pfizer a hard Time”The Economic TimesMumbai. 3 August 2018. Retrieved 10 August 2010.
  82. ^ “Record amount of counterfeit Viagra seized”www.bbc.com. 12 May 2016. Archived from the original on 19 November 2016. Retrieved 26 December 2016.
  83. Jump up to:a b Amerman D (22 May 2012). “Counterfeit Viagra, Cialis, Levitra: The Ultimate Guide”AccessRx. Retrieved 10 January 2017.
  84. ^ Moran B (20 August 2013). “Cracking Down on Counterfeit Drugs — NOVA Next | PBS”. PBS NOVA Next. Retrieved 10 January 2017.
  85. ^ Somra G (31 August 2015). “Online pharmacies suspected of counterfeit drug sales”. CNN. Retrieved 10 January 2017.
  86. ^ in-PharmaTechnologist.com. “Viagra patent expires in June, says Brazilian court”. Retrieved 15 July 2016.
  87. ^ “Revatio patent ruled invalid for lack of sound prediction and obviousness”Canadian Technology & IP Law. Stikeman Elliott. 18 June 2010. Archived from the original on 3 March 2016. Retrieved 14 November 2012.
  88. ^ Pfizer Canada Inc. v. Ratiopharm Inc., 2010 FC 612″. CanLII.
  89. ^ Teva Canada Ltd. v. Pfizer Canada Inc.2012 SCC 60 at par. 80 (8 November 2012)
  90. ^ Spears J (8 November 2012). “Supreme Court ruling could lead to cheaper versions of Viagra”Toronto Star. Retrieved 14 November 2012.
  91. ^ Hanly K (8 November 2012). “Canadian Supreme court rules Viagra patent invalid”Digital Journal. Retrieved 14 November 2012.
  92. ^ “Viagra patent tossed out by Supreme Court: Decision allows generic versions of drug to be produced”CBC News. 8 November 2012. Retrieved 14 November 2012.
  93. ^ “Pfizer Canada drops Viagra price after generic versions get Supreme Court green light”Financial Post. 22 November 2012. Retrieved 9 February 2013.
  94. ^ “SCC Case Information, Docket No. 33951”. January 2001. Retrieved 14 November 2012.
  95. ^ Makin K (15 November 2012). “In rare move, Pfizer asks Supreme Court to reconsider ruling that killed Viagra patent”The Globe and Mail. Retrieved 15 November 2012.
  96. ^ Henderson GL, D’Iorio H (22 April 2013). “The Supreme Court of Canada holds Pfizer’s Viagra patent invalid”Lexology. Retrieved 27 December 2013.
  97. ^ Allam A (4 October 2002). “Seeking Investment, Egypt Tries Patent Laws”New York Times. Retrieved 1 April 2013.
  98. ^ “Actavis Launches Generic Viagra in Europe as Patents Expire”. Retrieved 25 October 2013.
  99. ^ Edwards J (21 October 2009). “What Will Happen When Viagra Goes Generic?”. AccessRx.com. Archived from the original on 23 April 2011. Retrieved 25 March 2011.
  100. ^ “Is Viagra about to lose its pulling power in the UK?”The Guardian. 3 June 2013. Retrieved 13 June 2013.
  101. ^ Murray R (23 January 2002). “Viagra ruling upsets Pfizer”. London: Telegraph Media Group Limited. Archived from the original on 22 August 2009. Retrieved 10 February 2009.
  102. ^ “Pfizer Loses UK Battle on Viagra Patent”UroToday. Thomson Reuters. 17 June 2002. Archived from the original on 25 June 2007. Retrieved 10 February 2009.
  103. ^ Gauld, Natalie (31 January 2018). “Viagra from the pharmacist: insight from reclassification in New Zealand”. Pharmaceutical Journal. Retrieved 2 April 2018.
  104. ^ Herald, Korea (14 March 2012). “Generic Viagra developers queue up, but may have to wait”The Korea Herald. Retrieved 28 December 2021.
  105. ^ “Approved Viagra copies flood drugstores in Korea”Reuters. 1 June 2012. Retrieved 28 December 2021.
  106. ^ Herald, Korea (10 April 2013). “Viagra loses top spot in Korean market”The Korea Herald. Retrieved 28 December 2021.
  107. ^ “Hanmi leads erectile dysfunction drug sales”KBR (in Korean). 12 December 2017. Retrieved 28 December 2021.
  108. ^ “Viagra prescriptions almost triple in a decade”. Pharmaceutical Journal. 21 August 2017. Retrieved 8 October 2017.[permanent dead link]
  109. Jump up to:a b c d e f Skinner G (4 March 2016). “Yes, There Is a Way to Get Generic Viagra”Consumer Reports. Retrieved 4 May 2016.
  110. ^ Langreth R (29 June 2016). “Decoding Big Pharma’s Secret Drug Pricing Practices”. Bloomberg. Retrieved 15 July 2016.
  111. ^ U.S. Patent 5,250,534
  112. ^ “Pfizer’s Revatio Goes Generic”. Zacks Equity Research. 15 November 2012. Retrieved 5 October 2013.
  113. ^ U.S. Patent 6,469,012
  114. ^ Milford, Phil (15 August 2011). “Pfizer Wins Viagra Patent Infringement Case Against Teva Pharmaceuticals”. Bloomberg. Retrieved 1 April 2012.