Was already taking cipro (ciprofloxacin) long term for pseudomonas. got sick (sore throat and ear infection). today pcp prescribed keflex. should be ok?

Should be fine: The symptom pattern you describe can be caused by viruses or bacteria.It emerged in spite of the Cipro, (ciprofloxacin) so we know if it is a bacteria it is resistant to that med. The Keflex is a good basic med and can work when taken concurrently. If you don't see improvement within 3 days contact your PCP.

Yes: The bacteria may be resistant to the Cipro (ciprofloxacin) and you need a different antibiotic for the ear infection and Keflex is a reasonable choice.