do you only need an antibiotic if your immune system is unable to fight off sickness?

Question: do you only need an antibiotic if your immune system is unable to fight off sickness?
- Keywords:
  antibiotic,
  immune,
  sickness
Asked by swim42cup to Sergio on 15 Nov 2019.
- Sergio Martin Saldana answered on 15 Nov 2019:
  
  Good question! You need an antibiotic if your sickness is related to a bacterial infection. If not, you will need a different treatment

Question: do you only need an antibiotic if your immune system is unable to fight off sickness?