Trichomonas

What goes wrong

Girls get a greeny-yellow frothy discharge. Guys don’t feel anything.

It’s caused by

Having sex with someone who has trichomonas bacteria.

How not to get it

Don’t sleep with anyone who has it – or use a condom to be safe as its almost impossible to know who has it.

What to do

Nip down to the doctor – they’ll give you and your partner some pills to nuke it.