I'm taking Doxycycl HYC 100mg for a bacterial infection...it says not to take it with food but its making me feel weird as though I've taken a pain pill. Also, on the booklet that came with the perscription it says not to lay down until at least 30 minutes after taking it, why? If anyone has had experience taking this medication please help me out, I'm sensitive to medications and would like some input. Thanks!