 [ Symptoms ] im 39wks pregnant dilated to a 2 feeling a lot of pressure down there should i call the dr is there a way to relieve it [ Disease ] there are several antibiotics that are not on your list the selection of an appropriate antibiotic takes you allergies into consideration as well as the diagnosis and severity of the illness we consider allergies to cover entire classes for instance when are allergic to augmentin we assume you may be allergic to all penicillins in this class when you are allergic to doxycycline you are considered allergic to the tetracycline class there is not an antibiotic called clydomyacine so you may be referring to clindamycin  it is best to keep an accurate list of your allergies a few antibiotics that are not on your list would include sufla drugs and erythromycin  macrolide class drugs another would be the fluoroquinalone class antibiotics there are more