http://www.prescriptiondrug-info.com/threads/keflex-D65349_s2.htm Recent Posts About keflex at The People's Medicine Community. I have a horrendous tooth ache. I have some left over keflex and want to kow if I should take it. If I do and run out, will my dentist giveme more, and will it be effective? en-us Copyright 2009 Prescription Drug Info All Rights Reserved. 11/21/2009 4:03:13 PM 20 http://www.PrescriptionDrug-Info.com/threads/keflex-D65349_s2.htm#140786 <a href="http://www.PrescriptionDrug-Info.com/Drugs/Keflex.asp" target="Keflex.asp">Keflex</a> is an antibiotic so it will fight an infection if there is one BUT if not then your tooth ache will not subside.If you have a refill on it then yes you can get more otherwise your doctor/dentist may want to just evaluate your situation and then he can decide whether or not you need something more then just a quick fix Wed, 11 Jan 2006 10:55:17 -0800 http://www.PrescriptionDrug-Info.com/threads/keflex-D65349_s2.htm#140539 i would like to know if <a href="http://www.PrescriptionDrug-Info.com/Drugs/keflex.asp" target="keflex.asp">keflex</a> can be taken by a person who is alergic to sulfa drugs Tue, 3 Jan 2006 11:11:06 -0800