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I understand your concern. According to your statement, you want to know about black fungus or mucormycosis. It is an infection caused by a group of molds called mucormycetes living in the environment. It affects the sinuses, brain, or lungs of immunocompromised people. It also affects patients having cancer, AIDS (acquired immunodeficiency virus), uncontrolled diabetes mellitus, and patients taking steroids. It enters the body after inhaling fungal spores in the air. It can also enter the body through burns, cuts, or skin injuries.
The common symptoms of mucormycosis are headache, stuffy and bleeding nose, painful swelling of eyes, drooping of eyelids, blurring or loss of vision, facial pain, black crusts on the nose, and brain infection. A sample of fluid from the respiratory system or tissue biopsy from affected tissues are taken for fungal culture. According to the location of the infection, a CT scan (computed tomography) or MRI (magnetic resonance imaging) of lungs, sinus, or other body parts can be taken and it helps to diagnose the disease.
Antifungal medications like Liposomal Amphotericin B are taken. This disease has an overall mortality rate of 50%. Steroids trigger this condition in COVID-19 (coronavirus disease 2019) positive patients. Steroids can reduce immunity and increase blood sugar levels in diabetic and non-diabetic COVID-19 positive patients. Having a strict control of blood sugar levels during treatment and after recovery from COVID-19 infections helps to stop developing this disease. Taking the right dose and duration of steroids in COVID-19 positive patients also helps to prevent developing this disease.