Tropical medicine also known as international medicine, is the branch of medicine is dedicated to treatment, care and cure of tropical diseases, which are commonly occurring in developing countries due to lack of hygiene, knowledge etc. Tropical medicine mainly focuses on pharmacological, molecular biological, physiological, pathological and gene studies on treatment and management of alarming infectious diseases.
Infectious diseases are disorders caused by pathogenic microorganisms — such as bacteria, viruses, fungi or parasites. Some infectious diseases can be passed from person to person. Some are transmitted by bites from insects or animals. Medications used to treat infectious diseases includes antibiotics, antivirals, antifungals, antiprotozoals, and antihelminthics.