Zadaxin - Thymosin alpha 1 (thymalfasin), a treatment for chronic hepatitis B when used alone or in combination with interferon. (Note: Not FDA approved for use in USA) - http://www.scicloneinternational.com/
Zadaxin Side Effects and Drug Interactions - RxList Monographs - Extensive information on side effects and drug interactions with links to usage, warnings, and patient information. (Note: Not FDA approved for use in USA) - http://www.rxlist.com/cgi/generic/zadaxin_ad.htm