Published on in Vol 1, No 2 (1999):

Online Prescribing of Sildanefil (Viagra) on the World Wide Web

Online Prescribing of Sildanefil (Viagra) on the World Wide Web

Online Prescribing of Sildanefil (Viagra) on the World Wide Web

Authors of this article:

Gunther Eysenbach


  1. Eysenbach G. Online prescriptions of pharmaceuticals: Where is the evidence for harm or for benefit? A call for papers - and for reflection. Journal of Medical Internet Research 2001;3(1):e1 View
  2. Jannini E, Lenzi A, Isidori A, Fabbri A. COMMENTARY: Subclinical Erectile Dysfunction: Proposal for a Novel Taxonomic Category in Sexual Medicine. The Journal of Sexual Medicine 2006;3(5):787 View
  3. Gallagher C, Chapman L. Classification, location and legitimacy of web-based suppliers of Viagra to the UK. International Journal of Pharmacy Practice 2010;18(6):341 View
  4. Jackson G, Arver S, Banks I, Stecher V. Counterfeit phosphodiesterase type 5 inhibitors pose significant safety risks. International Journal of Clinical Practice 2010;64(4):497 View
  5. Cicero T, Ellis M. Health Outcomes in Patients Using No-Prescription Online Pharmacies to Purchase Prescription Drugs. Journal of Medical Internet Research 2012;14(6):e174 View
  6. Martin‐Facklam M, Kostrzewa M, Martin P, Haefeli W. Quality of drug information on the World Wide Web and strategies to improve pages with poor information quality.  An intervention study on pages about sildenafil. British Journal of Clinical Pharmacology 2004;57(1):80 View
  7. Mossialos E, Thomson S, Ter Linden A. Information technology law and health systems in the European Union. International Journal of Technology Assessment in Health Care 2004;20(4):498 View
  8. Orsolini L, Francesconi G, Papanti D, Giorgetti A, Schifano F. Profiling online recreational/prescription drugs' customers and overview of drug vending virtual marketplaces. Human Psychopharmacology: Clinical and Experimental 2015;30(4):302 View
  9. Sillence E, Briggs P, Harris P, Fishwick L. A framework for understanding trust factors in web-based health advice. International Journal of Human-Computer Studies 2006;64(8):697 View
  10. Campbell N, Clark J, Stecher V, Goldstein I. Internet-Ordered Viagra (Sildenafil Citrate) is Rarely Genuine. The Journal of Sexual Medicine 2012;9(11):2943 View
  11. Zehnder S, Bruppacher R, Ruppanner H, Hersberger K. Swiss Community Pharmacies' on the Web and Pharmacists' Experiences with E-commerce: Longitudinal study and Internet-based questionnaire survey. Journal of Medical Internet Research 2004;6(1):e9 View
  12. Veronin M. Packaging and Labeling of Pharmaceutical Products Obtained from the Internet. Journal of Medical Internet Research 2011;13(1):e22 View
  13. Martín Morales A. Uso no prescrito de los inhibidores de la fosfodiesterasa tipo 5 (iFDE5) e internet. Revista Internacional de Andrología 2007;5(1):82 View
  14. Alwon B, Solomon G, Hussain F, Wright D. A detailed analysis of online pharmacy characteristics to inform safe usage by patients. International Journal of Clinical Pharmacy 2015;37(1):148 View
  15. Orizio G, Merla A, Schulz P, Gelatti U. Quality of Online Pharmacies and Websites Selling Prescription Drugs: A Systematic Review. Journal of Medical Internet Research 2011;13(3):e74 View
  16. Torous J. Beyond the Impact Factor: Reflecting on Twenty Years of Leading Efforts in Research, Innovation in Publishing, and Investment in People. Journal of Medical Internet Research 2019;21(10):e16390 View
  17. Liang B, Mackey T. Online risks to health—the problem of counterfeit drugs. Nature Reviews Urology 2012;9(9):480 View
  18. Jackson G, Patel S, Khan S. Assessing the problem of counterfeit medications in the United Kingdom. International Journal of Clinical Practice 2012;66(3):241 View
  19. Romanelli F, Smith K. Recreational Use of Sildenafil by HIV-Positive and -Negative Homosexual/Bisexual Males. Annals of Pharmacotherapy 2004;38(6):1024 View
  20. Arrunada B. Quality Safeguards and Regulation of Online Pharmacies. SSRN Electronic Journal 2002 View
  21. WYSOWSKI D, SWANN J. Use of Medications for Erectile Dysfunction in the United States, 1996 Through 2001. Journal of Urology 2003;169(3):1040 View
  22. Schnetzler G, Banks I, Kirby M, Zou K, Symonds T. Original Research—ED Pharmacotherapy: Characteristics, Behaviors, and Attitudes of Men Bypassing the Healthcare System When Obtaining Phosphodiesterase Type 5 Inhibitors. The Journal of Sexual Medicine 2010;7(3):1237 View
  23. Orizio G, Gelatti U. Public eHealth and new scenarios in terms of risks and opportunities: a specific focus on cyberpharmacies. Social Semiotics 2010;20(1):29 View
  24. Vida R, Merczel S, Jáhn E, Fittler A. Developing a framework regarding a complex risk based methodology in the evaluation of hazards associated with medicinal products sourced via the internet. Saudi Pharmaceutical Journal 2020;28(12):1733 View
  25. Lyall B, Smith A, Attwell K, Davis M. Antibiotics online: digital pharmacy marketplaces and pastiche medicine. Medical Humanities 2023;49(4):713 View
  26. Cotten S, Goldner M, Hale T, Drentea P. The Importance of Type, Amount, and Timing of Internet Use for Understanding Psychological Distress*. Social Science Quarterly 2011;92(1):119 View
  27. Arruñada B. Quality safeguards and regulation of online pharmacies. Health Economics 2004;13(4):329 View
  28. Datysgeld M. Establishing baseline criteria for the mitigation of the illegitimate sale of health-related products using the DNS. Journal of Cyber Policy 2023;8(2):257 View

Books/Policy Documents

  1. Sugiura L. Respectable Deviance and Purchasing Medicine Online. View
  2. An Z, McLaughlin M, Hou J, Nam Y, Hu C, Park M, Meng J. Social Computing and Social Media. View
  3. Yap K. User-Driven Healthcare. View
  4. Schwaitzberg S. The Internet Encyclopedia. View
  5. Yap K. Pharmacoinformatics and Drug Discovery Technologies. View