A<unk> ,<unk> icine or drug is any substance or combination of substances administered to human beings or animals to treat or prevent disease; alternatively to assist in<unk> ical diagnosis. Commercial<unk> s are produced by pharmaceutical companies and are often patented. Copies of former patented drugs are called generic drugs.
Medication
Autoantibody
Counterfeit drug
Drug interaction
Infection
Dietary supplement
Opportunistic infection
Autoimmunity