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Immunovir: A Promising, Low Cost and Safe Prescription Antiviral





Dr. Jacob Teitelbaum

Dr. Jacob Teitelbaum's Column advice on CFS, Fibromyalgia and other Health Topics.











Jacob Teitelbaum MD is Medical Director of the Fibromyalgia and Fatigue Centers
( ). Senior author of the landmark studies "Effective Treatment of Chronic Fatigue Syndrome and Fibromyalgia -- a Placebo-controlled Study" & “Effective Treatment of CFS & Fibromyalgia with D-Ribose”. Author of the best-selling book” From Fatigued to Fantastic!”(3rd ed-Penguin/Avery Oct 4, 2007) , " Three Steps to Happiness! Healing through Joy", and “Pain Free 1-2-3- A Proven Program to Get YOU Pain Free! “(McGraw Hill, 2006). He does numerous media appearances, including CNN and FOX National News and is a frequent guest on Oprah and Friends with Dr. Oz.. He lives in Kona, Hawaii. Visit his web site at



You can benefit from Dr. Teitelbaum's wisdom and experience by visiting us at The Environmental Illness Resource regularly to read articles from his latest newsletter!




Monday, June 29th, 2009:


Immunovir - A Promising, Low Cost and Safe Prescription Antiviral


By Alina Garcia MD
Fibromyalgia and Fatigue Center, Las Vegas



Recent findings presented at the 2009 International Association of Chronic Fatigue conference in Reno, Nevada Conference by University of Miami researchers revealed promising potential for Isoprinosine (ISP) in the treatment of Chronic Fatigue Immune Deficiency Syndrome. Sixty one patients were studied, and treatment in all patients resulted in clinical and immunologic improvement. Isoprinosine (ISP), a non-toxic immune system stimulant, is a nucleoside, which is a basic compound comprising cells. It is extremely safe and has been available in Ireland and Canada for 20 years. Until now ISP has not been extensively utilized in the U.S. Although the University of Miami study was small, and larger placebo controlled studies are necessary, these preliminary findings are quite promising for sufferers of this relentless condition.


ISP has been studied extensively in AIDS research and Sub Acute Sclerosing Pan Encephalitis (SSPE). Researchers in Brazil have published results that ISP may even inhibit replication of viral RNA. Latent viruses are often associated with chronic fatigue and fibromyalgia.


ISP has shown promise in treating CFIDS specifically via its immune modulating functions. Cheney, et al, has shown that ISP enhances Natural Killer (NK) cell function which is known to be suppressed in many CFIDS and FM patients.


I have been using Isoprinosine in selected patients for several years with favorable clinical outcomes in the majority of cases. ISP is more cost effective than other immune modulators and may therefore be a more viable option for some patients. The Fibromyalgia and Fatigue Centers Inc. are dedicated to treating chronic fatigue and fibromyalgia using an integrated comprehensive approach.



Medication Background: Isoprinosine/Immunovir




Newport Pharmaceuticals




Antiviral and Immune modulation. May see better response in those patients with decreased NK cell activity and/or high RNAse-L.




The active ingredient is Methisoprinol (Inosine Pranobex). Isoprinosine has both immunomodulating and antiviral properties and helps to treat acute and chronic viral infections.


Recommended Dosage


The prescribed dosage is one 500 mg cap twice a day Monday through Friday with none on the weekend. The following week the dose is 3 caps twice daily Monday through Friday with none on the weekend. Then, none the following week. Then repeat the cycle — Staying on for two months and off one.




Very safe and approved in most countries except the U.S. (but it can still be shipped to the U.S.). There can be a temporary rise in uric acid (so be careful if you have gout). However, uric acid is low in most CFS patients and acts as an antioxidant, so this may actually be beneficial.




Can be obtained on an individual basis for patients from Canada. Fax the prescription and order form to Rivex Pharma at Fax number (800) 784-0976.


Prescription should read:


Isoprinosine/Immunovir 500 mg
Sig: as directed
# bottles, and refills
ICD-9 780.71 Dx: CFS
On special request for personal import only


Note: The cost is $205 for a bottle of 100 plus $20 for shipping. With above dosing, patients will use 1 and 1/3 bottle (130 caps) every 3 months.






Used with permission from Dr Jacob Teitelbaum's free newsletters-available at



Learn more from Dr. Teitelbaum's books:



From Fatigued To Fantastic


From Fatigued to Fantastic!: A Proven Program to Regain Vibrant Health, Based on a New Scientific Study Showing Effective Treatment for Chronic Fatigue and Fibromyalgia

Buy from

Buy From A Promising, Low Cost and Safe Prescription Antiviral

Pain Free 1-2-3


Pain Free 1-2-3: A Proven Program for Eliminating Chronic Pain Now!

Buy from

Buy From A Promising, Low Cost and Safe Prescription Antiviral








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