that built it even worse. I'd Terrible headaches and my head felt like it would burst at any second. i say all of that to say this..... i am working day 4 no doxycycline and i am having zofran through the nausea it's got prompted me. my dr instructed me amongst having it and 4 ibuprofen 4 to 5 situations every day for the final 6 days due to insane