BOYS

- 

Gunk or blood coming out of your penis that could be gonorrhea, Chlamydia or urethritis.

- 

Warty lumps on your penis or near it think genital warts

- 

Painful sores or blisters on or around your penis this could be herpes

- 

An itchy penis with a red tip this could be thrush

- 

Itchy scrotum and pubic hair could be crabs.

- 

If you are really tired, feel sick and have dark coloured wee it could be Hepatitis B or C.

GIRLS

- 

If your vaginal discharge goes thick, gooey, smelly or a different colour

- 

There's more discharge than usual

- 

If your vagina is itchy ...then you might have thrush or trichomoniasis.

- 

If it hurts to wee, then think cystitis – but it could be thrush

- 

If you get warty lumps around the vagina – this could be genital warts.

- 

If your vagina itches or gets sore – possibly thrush.

- 

If you have blisters, tingling or itching on your vagina it could be herpes.

- 

If you are really tired, feel sick and have dark coloured wee it could be Hepatitis B or C.