Doxycycline
"I'm giving this a 5 because I'm sure it is effective. I just want to warn people about how common esophagitis is with this medicine. My derm gave me this two weeks ago and I'm feeling like death. I can barely swallow any liquids. I was only able to get a couple hundred calories yesterday. I felt like going to the ER but there really isn't much they can do for you. You just have to let it run its course. It may take two weeks to get back to normal. You don't appreciate being able to eat and drink and swallow until it hurts like one of the worse pains in my life to do so. Major chest pain. I can't express how awful this is to deal with."