Force Load FontEvorelPatchEvorel Patches are an oestrogen only Hormone Replacement Therapy (HRT) product. Hormone Replacement Therapy (HRT) is a treatment used in women, to relieve menopause-related symptoms. It works by replacing the decreased levels of hormones which occurs as you approach menopause. This type of HRT is only recommended if you have had your womb removed during a hysterectomy.Drug Warning