Zygomycosis and aspergillosis are two serious fungal infections that are commonly seen in immunocompromised patients. Since both of these infections involve fungi that invade vessels of the arterial system, an early and rapid diagnosis by direct examination of KOH mounts of the relevant clinical sample can clinch the diagnosis. Here, we present a case of a 60-year-old diabetic patient who presented with swelling and pain over the nose and left eye for 7 days with loss of vision in the left eye. After investigation, the patient was diagnosed as having rhinocerebral mucormycosis and aspergillosis, and was initially treated with amphotericin B (1 mg kg−1 day−1 intravenously), followed by endoscopic debridement under general anaesthesia. The patient gradually improved after surgery, and treatment with intravenous amphotericin B was continued along with the addition of 200 mg oral voriconazole twice daily (for the aspergillosis). With prompt diagnosis and treatment, the patient survived these fatal fungal co-infections and finally was discharged.

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