How are secondary bacterial infections diagnosed?

The first step in diagnosing secondary bacterial infections is an evaluation by a physician that may include a physical exam, blood tests, urine tests, or even x-rays. Your physician will already know if you are infected with a virus, and from that point, will work to determine which secondary infection you may have. A visual inspection may be all that is necessary, as is the case with sinusitis or an ear infection. Something like pneumonia will require an x-ray to properly diagnose. Blood and urine tests may be ordered in more complicated situations so the physician will be able to tell which particular bacterium you may have.

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