Silver end caps in silicone cap with butterfly closure gold colored 2 pieces

It is possible to order silicone/silver end caps for the silver earrings via this article. These end plugs are sold per 2 pieces.

You can easily place these backs on the back of the earring.
The silicone ensures that the backs cannot get too tight against the earlobe and that reduces the risk of wounds and ingrowing.
Check the backs regularly and clean them, dirt can also cause inflammation of the earlobe.