Multiple choice Which of the following drugs has no effect on viral cells? Fomivirsen Foscarnet Ganciclovir Inosine pranobex Reveal answer Fill a bubble to check yourself D Correct answer Explanation Inosine pranobex is a combinatinon of inosine, acetamidobenzoic acid, and dimethylaminoisopropanol used as an antiviral drug. Inosine pranobex has no effect on viral cells itself. It acts as a powerful immunostimulant.