i have been prescribed doxycycl hyc for uti infection and been taking this for 3 days now and on the 3rd day felt sick to stomach,headache ,severe anxiety and confusion also hot and cold and frequent urination this pill is horrible. just wanted to know if this goes away after you stop taking the pill cause i still feel pale and not myself and haven't take it for 12 hours..i will never ever take this crap again...