15. Drugs

15.1 Drugs:

• Define a drug as any substance taken into the body that modifies or affects chemical reactions in the body

•  Describe the use of antibiotics for the treatment of bacterial infections 

• State that some bacteria are resistant to antibiotics which reduces the effectiveness of antibiotics

• State that antibiotics kill bacteria but do not affect viruses 

Supplement 

• Explain how using antibiotics only when essential can limit the development of resistant bacteria such as MRSA