 [ Symptoms ] is clindamycin effective for pneumonia for adults [ Disease ] that would depend on the type of pneumonia namely the organism that is causing it for instance if you had a viral pneumonia no antibiotic would be effective if you had a lab proven staphylococcal pneumonia perhaps your doctor will consider using clindamycin there are no cookbook treatments for pneumonia a decision on that type of antibiotic used for a particular pneumonia is determined by your medical provider based on examination findings x ray results blood test results etc if you are self diagnosing and self treating with some clindamycin that you have it home i would not recommend it