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Patients may experience dizziness, heart palpitations, hyperglycemia, diarrhea and muscle cramps when taking these medications. Importantly, medications that antagonize the β2 receptor (β-blockers) may significantly increase the risk of asthma exacerbations, and are generally avoided in asthmatic patients.
Very severe acute asthma (termed "near-fatal" as there is an immediate risk to life) is characterised by a peak flow of less than 33% predicted, oxygen saturations below 92% or cyanosis (blue discoloration, usually of the lips), absence of audible breath sounds over the chest ("silent chest" : wheezing is not heard because there is not enough ...
The classic symptoms are shortness of breath, wheezing, and chest tightness. [20] The wheezing is most often when breathing out. [109] While these are the primary symptoms of asthma, [110] some people present primarily with coughing, and in severe cases, air motion may be significantly impaired such that no wheezing is heard. [108]
Other causes can include acid reflux, asthma, allergies, or other chronic medical conditions, adds Richard Watkins, M.D., an infectious disease physician and professor of medicine at the Northeast ...
Brittle asthma is a type of asthma distinguishable from other forms by recurrent, severe attacks. [ 1 ] [ 2 ] [ 3 ] There are two subtypes divided by symptoms: Type 1 and Type 2, [ 4 ] depending on the stability of the patient's maximum speed of expiration, or peak expiratory flow rate (PEFR).
Asthma triggers are factors or stimuli that provoke the exacerbation of asthma symptoms or increase the degree of airflow disruption, which can lead to an asthma attack. [1] An asthma attack is characterized by an obstruction of the airway , hypersecretion of mucus and bronchoconstriction due to the contraction of smooth muscles around the ...
Diarrhea. Stomach cramps. Headache. Fever. Body aches. People with norovirus usually get better within one to three days, according to the CDC. 24-hour flu vs. food poisoning.
The overactivity of the bronchioles' muscle is a result of exposure to a stimulus which under normal circumstances would cause little or no response. The resulting constriction and inflammation causes a narrowing of the airways and an increase in mucus production; this reduces the amount of oxygen that is available to the individual causing ...