Best medicine for l discharge?

i noticed to have this l discharge maybe for a yr now,,before im just ignoring it coz i think its just normal in a woman's cycle,,but it seems to get worse and worst,,although its non fowl smelling,,non itchy,its white,thick,,and now im bothered about it,which medicine i can take,,is l suppository such as canesten clotrimazole suppository is safe and enough to try?