Go talk to an attorney. You can file for divorce even if he doesn't want one.
that means that they are going out and your husband is cheating on you.
Often there is no excuse for cheating, but when a person is on drugs they often don't know what they are doing and of course, cheating can occur. The way to help not only your husband, but yourself is by talking to him and telling him if he does not go to a detox center to get off drugs that you will leave him. If he agrees then be there for him. If he refuses then intervention of his family and those that love him can sometimes work. If he refuses all help then you must make the painful decision to leave him.
Depending on the drug(s). Performance enhancing drugs is a no. Something like Ibuprofen is ok.
death
No. If they are, it's cheating.
No, as you have to be using drugs yourself to get addicted.You are, however, addicted to your husband. That's called "codependency."
cheating.
Prescription drugs are not charged in medical bills. It will not be included in hospital bills if the drugs are bought inside the hospital. Also the drug is included in the medical bill if the particular kind of drug is refilled again or injucted for the same patient in the same hospital and if it is supplied from the hospital.
Intervention with your husbands parents and siblings as well as yourself may be the answer to his drug problems which leads to his cheating. There are Intervention Programs directed by a psychologist and there are places to send individuals such as your husband to kick his drug habits, but he has to want to get over his drug habit. Being on drugs will muddle the brain and he is not making wise decisions such as cheating on you. You need help and cannot do this alone and therefore talking to his parents and seeking help is the only way out. If he refuses then for your own sake you will have to leave him or he will ruin your life as well. If you have children this is not a good environment for these children.
tell the police and get him some help.
if you hide it from the cops yes.
It depends if it is a legal or an illegal drug. Illegal drugs such as heroine, drugs that hallucinate you are bad for sports. Steroids counts as cheating, and could mean a disqualification.