After how long am I no longer contagious and how often should I change my toothbrush? 24 or 48 hours?

It is generally recommended to change your toothbrush after being sick to prevent the spread of germs and bacteria. However, there is some conflicting information regarding how soon you should change it. It is suggested to change your toothbrush after 24-48 hours of starting antibiotics to ensure proper hygiene and avoid reintroducing germs into your system.