Black Sabbath's Tony Iommi: I Will Be Fighting Lymphoma for the Rest of My Life Loudwire So every six weeks I go in for an infusion of Rituximab, which is one of the four ingredients when they give you the chemo. It takes a few hours, and it makes you feel a bit crap inside and a bit sick. But a couple weeks after, I start perking up again ... Tony Iommi To Receive More Cancer Treatments |