 Patients and their families will have to weigh the benefits against the downsides, including regular IV infusions and potentially dangerous side effects like brain swelling. Questions remain about which patients should get the drugs and how long they might benefit. Ed Donohue, Washington. Well, we've got the 4th of July coming up Thursday. We were talking about just a little after 9 o'clock if you're on the National Mall or maybe one of the suburban firework shows.