Omeprazole Side Effects: i have started omez a week back . all seems to be ok except sex d http://www.medications.com/effect/view/4026 i have started omez a week back . all seems to be ok except sex drive and loss of mood for sex. my husband started this med Omeprazole about 2 months ago and he Fri, 21 Nov 2008 21:34:51 -0500 http://www.medications.com/effect/view/4026?item=14732 my husband started this med Omeprazole about 2 months ago and he has been moody and we havent had sex for about the same amount of time.. He is going to change back to Nexium. OMG now I understand. I thought it was me.. :) KS http://www.medications.com/effect/view/4026?item=14732