India, April 4 -- Dr Kunal Sood, an anesthesiology and interventional pain medicine physician, shared an Instagram post on April 3, 2025, titled 'When you find out reusing the same toothbrush after a cold may expose you to lingering microbes'. He went on to share how 'staying mindful of toothbrush hygiene can help minimise exposure to lingering microbes'. Also read | Don't brush your teeth before sleeping? Doctor explains why skipping brushing may do more harm than just risk cavities

According to Dr Sood, it is a good practice to replace your toothbrush after an illness to prevent the spread of germs. He said: "Could your toothbrush be holding onto germs after a cold? While there's no direct proof that viruses stay infectious on a toothb...