What causes thrush? Thrush is caused when there is disruption in balance between bacteria and yeasts which naturally live within the vagina. This can be caused by a variety of factors like: Medicines and antibiotics Trauma of sexual activity Tampons Stress Perfumed soap, shower gels, or bubble baths Menstruation Wearing tight clothing Pregnancy Preventing thrush: Canesten Vaginal Tablets Clotrimazole 200mg can be used to prevent the growth of fungus and reduce itchy, burning sensations. To prevent thrush from recurring: Avoid tight, synthetic clothing Avoid perfumed soaps, gels, bubble baths, vaginal deodorants and douches Change tampons or pads regularly when on your period Canesten Thrush Cream 2% is a specially designed cream to provide rapid relief from external itching. It is all you need to clear the symptoms of thrush fast. Canesten Thrush Cream Clotrimazole 2% provides external treatment for thrush and fungal infections. It contains 2% of the active ingredient Clotrimazole which promotes a healthy pH balance and reduces thrush symptoms of itching and burning.