Can any bacteria or diseases enters from penis head into the body ?

"I use a plastic carry bag as sex toy. That plastic bag has a 4 holes on it and it may be scratched or chewed by a rat few days before, do that plastic bag contains any bacteria/virus & i self masturabated my penis with that plastic carry bag.

is any problem occurs, after few hours

the pimples come around the rim of the head of the penis & penis head sides have changed to yellowish

is any problem occurs

what kind if measures do i take

please help me

im in tension