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Lower respiratory tract infection (LRTI) is a term often used as a synonym for pneumonia but can also be applied to other types of infection including lung abscess and acute bronchitis. Symptoms include shortness of breath , weakness, fever , coughing and fatigue. [ 3 ]
An upper respiratory infection like the common cold, the flu, or COVID-19 ... Take antibiotics for a bacterial infection, as recommended by your doctor ... Signs your cough is getting better.
Certain bacterial infections can be serious and in some cases, life-threatening, say experts.
An upper respiratory tract infection (URTI) is an illness caused by an acute infection, which involves the upper respiratory tract, including the nose, sinuses, pharynx, larynx or trachea. [ 3 ] [ 4 ] This commonly includes nasal obstruction, sore throat, tonsillitis , pharyngitis , laryngitis , sinusitis , otitis media , and the common cold .
Pneumonia frequently starts as an upper respiratory tract infection that moves into the lower respiratory tract. [55] It is a type of pneumonitis (lung inflammation). [ 56 ] The normal flora of the upper airway give protection by competing with pathogens for nutrients.
Strep throat is a common bacterial infection in children. [2] It is the cause of 15–40% of sore throats among children [7] [13] and 5–15% among adults. [8] Cases are more common in late winter and early spring. [13] Potential complications include rheumatic fever and peritonsillar abscess. [1] [2]
In more than 90% of cases, the cause is a viral infection. [4] These viruses may be spread through the air when people cough or by direct contact. [6] A small number of cases are caused by a bacterial infection such as Mycoplasma pneumoniae or Bordetella pertussis. [4] Risk factors include exposure to tobacco smoke, dust, and other air ...
A small number of cases are due to high levels of air pollution or bacteria such as Mycoplasma pneumoniae or Bordetella pertussis. [1] [9] Diagnosis is typically based on a person's signs and symptom. [4] The color of the sputum does not indicate if the infection is viral or bacterial. [1] Determining the underlying organism is typically not ...