You decide that, since there still appears to be evidence of infection, it is best to stick with the current treatment plan. Discontinuing treatment too soon greatly increases the risk of a relapse, which may be fatal in this case. If Max continues to tolerate the medication well and continues to show radiographic and clinical improvement, your plan is to continue treatment for 30 days past resolution of signs.
The prognosis for cats with localized and pulmonary Histoplasma species infections is good, but long-term therapy is often required (two to four months or longer), and relapses may occur six to 10 months after treatment.
In addition to radiographs and clinical signs, what other tests would you use to monitor Max's response to treatment?
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