Hypersensitivity is an abnormal immune response to antigens. Gell and Coombs classified hypersensitivity into four types in 1963. About 15% of humans have at least one type during their lives
Eosinophils are white blood cells that combat parasites and infections. They are 12-17 micrometres in size with bilobed nuclei. Normal blood eosinophil count is around 100 cells/μL. They are acid-loving due to their large cytoplasmic granules
Bronchodilators dilate airways and increase airflow in respiratory system. Most useful in obstructive lung diseases like asthma and COPD. Can be natural or medication-based, usually inhaled
Pursed lips show disapproval or doubt in others' words or actions. Lips are brought together tightly to form a round shape. Can indicate tension, frustration, or anger. Similar to biting tongue or sealing lips
Tezspire treats severe asthma in adults and adolescents 12 years and older. Used as additional treatment after high-dose corticosteroids plus other medicines. Injected under skin every 4 weeks for long-term treatment. Patients can self-inject after receiving training
Dose depends on weight and pre-treatment IgE levels. Dose ranges from 150 mg every 4 weeks to 375 mg every 2 weeks. Treatment duration should not exceed 1 year. Dose adjustments needed for significant weight changes