Suggest Treatment For Yeast Infection

im pretty sure I had a yeast infection I had all the signs. so I went & got the treatment monistat for 7 days.it seemed to clear up. I then had intercourse with my husband & a day later my symptoms came back.im thinking my husband might of gotten a yeast infection some how?how can men get a yeast infection?hes also on all kinds of medication for his diabetes. could this have anything to do with it. I also was taking amoxillin for 10 days for a bad tooth infection.