Germoloids ointment treats the symptoms of haemorrhoids piles it contains active ingredients to help reduce the painful swelling of piles whilst soothing the itching and irritation plus a local anaesthetic for effective relief from pain and discomfort what do the active ingredients in germoloids ointment do zinc oxide is an astringent which helps to soothe and protect the area around the back passage from damage and also has mild antiseptic properties lidocaine is a local anaesthetic whi