Allergic Fungal Sinusitis (AFS) is a common allergic reaction, which occurs in the sinuses of people with a compromised immune system (patients with diabetes or aids).There two different forms of invasive fungal sinusitis varying in severity: acute invasive fungal sinusitis, and chronic invasive sinusitis. While acute invasive fungal sinusitis is the most serious and severe … Continue reading Allergic Fungal Sinusitis