Rinse toothbrush prior and post use.

Replace toothbrush every 3-4 months or when the bristles are no longer in shape. It should also be replaced after you are sick as it can harbour bacteria.

Store it away from moisture and from your toilet. Also, avoid storing your toothbrush in tight areas to prevent growth of bacteria.

Just kidding. Do not share your toothbrush.

Avoid storing your toothbrush upside down.

Bacteria thrive in moist environments and a toothbrush cover provides just that. While it may keep other things out, it also locks everything else in.