are ceclor and penicillin related?
Do not take this medication if you are allergic to cefaclor, or to similar antibiotics, such as Ceftin, Cefzil, Duricef, Fortaz, Keflex, Omnicef, Spectracef, Suprax, and others. Before taking this medication, tell your doctor if you are allergic to any drugs (especially penicillin).