Suggest Remedy For Genital Warts

hi.am 44 years.my husband had one genital warts between his thigh and g.area since 2 years.he cut it when shaving..then a new brown spot apears on penis..and we are living normaly..untill it became like a warts and 2 small pimples near it..we had sex and oral..his dr freez them..iam so worried and panic..i went to my dr he said i have nothing.the question is it possible that i dont catch this warts..or is it possible these warts are not venearal....thank you