There are 4 microorganisms that are the main causes of infection:-
- Bacteria
- Virus
- Fungal
- Parasites
An antimicrobial is an agent that kills the microorganisms or stops its growth.
Antimicrobial medicines are grouped according to the what causes the infection they are used to treat :
- Antibiotics are used to treat bacterial infections
- Antifungals are used to treat fungal infections
- Antivirals are used to treat viral infections
- Antiparasitics are used to treat parasitic infections