Thrush is not often passed on through sex, but it's included here because it's very common. Thrush is a fungal infection that mainly affects females. It is caused when there is an overgrowth of fungus called Candida.

Signs and symptoms

  • White and cheesy-looking discharge.
  • Stinging pain while passing urine.
  • Pain or discomfort during sex.
  • Itchy and swollen genitals.

Risk factors

Thrush is not usually spread by sexual contact, but it can be spread between partners, and sex can make it worse.


Tablets and creams are available from the chemist without a prescription. If these treatments don't work a doctor can provide further advice.

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