Hi this fungal infection is called as Jock itch .it is caused by a type of fungus that can be spread from person to person or from shared use of contaminated towels or clothing.
Well selected Homoeopathic remedies are effective to cure jock itch completely..some of the homoeopathic medicines are graph, chrysarbinum, thuja, sulphur , croton , rhus tox ,sepia, psorinum etc..
when does itch gets worse ?
i need detailed case history to find out cause and treat accordingly.. you can consult me online for homoeopathic treatment without side effects.