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Most cases are caused by a viral infection. [3] Recurrent episodes are more likely in persons with asthma, cystic fibrosis, and immunodeficiency. [10] The diagnosis of sinusitis is based on the symptoms and their duration along with signs of disease identified by endoscopic and/or radiologic criteria. [11]
In the case of the second cause, the sensation of obstruction is subjective. Bleeding from the nose, also called epistaxis, may occur when the dried discharge (crusts) are removed. Septal perforation and dermatitis of nasal vestibule can occur. The nose may show a saddle-nose deformity.
Other causes can be allergy, cold, flu, and side effects from medications. However, some researchers argue that the flow of mucus down the back of the throat from the nasal cavity is a normal physiologic process that occurs in all healthy individuals. [ 1 ]
Nosebleeds can be a sign of cancer in the sinus area, which is rare, or tumors starting at the base of the brain, such as meningioma. Due to the sensitive location, nosebleeds caused by tumors are typically associated with other symptoms, such as hearing or vision problems. [13] Traumatic. Anatomical deformities (e.g. septal spurs)
Heart disease: About 50% of patients hospitalized with flu had heart disease. Pregnancy. During pregnancy, the immune system is suppressed , making it harder to fight off infection.
Aspirin-exacerbated respiratory disease (AERD), also called NSAID-exacerbated respiratory disease (N-ERD) or historically aspirin-induced asthma and Samter's Triad, is a long-term disease defined by three simultaneous symptoms: asthma, chronic rhinosinusitis with nasal polyps, and intolerance of aspirin and other nonsteroidal anti-inflammatory drugs (NSAIDs).
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Autoimmune diseases occur when the immune system mistakenly attacks the body’s healthy tissues, leading to chronic inflammation and a range of other symptoms. Conditions like rheumatoid ...