Still haven't given the info needed.
Clue: Bad drug interactions don't care why you took both pills.
Either they are compatible or they are not.
EDIT: If your question is rooted in the wife wanting to share Tamiflu with the daughter so she doesn't get sick, the answer is a flat out no. I don't give a frick if the drugs are compatible, you don't do that shite. Go to the doc and see if he is willing to give a prophylactic dose.
This post was edited on 9/21 at 9:45 pm