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Some viral infections also involve fever, fatigue, headache and muscle pain. [18] If the stool is bloody, the cause is less likely to be viral [18] and more likely to be bacterial. [19] Some bacterial infections cause severe abdominal pain and may persist for several weeks. [19]
Strep throat, a bacterial infection, is the cause in about 25% of children and 10% of adults. [2] Uncommon causes include other bacteria such as gonococcus, fungi, irritants such as smoke, allergies, and gastroesophageal reflux disease. [2] [4] Specific testing is not recommended in people who have clear symptoms of a viral infection, such as a ...
Gastroenteritis can be caused by viral, bacterial, or parasitic infections. Common routes of infection include: Fifty to seventy percent of cases of gastroenteritis in adults are caused by noroviruses (genus Norovirus, family Caliciviridae ). This virus is highly contagious and spreads rapidly. Norovirus is the most common cause of ...
Common causes include gallstones, heavy alcohol use, certain medications and genetic disorders of the pancreas, according to the National Institute of Diabetes and Digestive and Kidney Diseases ...
The most common cause (80%) is acute viral pharyngitis, a viral infection of the throat. [4] Other causes include other bacterial infections (such as group A streptococcus or streptococcal pharyngitis), trauma, and tumors. [4] Gastroesophageal (acid) reflux disease can cause stomach acid to back up into the throat and also cause the throat to ...
Herpes esophagitis. Herpes esophagitis is a viral infection of the esophagus caused by Herpes simplex virus (HSV). While the disease most often occurs in immunocompromised patients, including post- chemotherapy, immunosuppression with organ transplants [1] and in AIDS, [2] herpes esophagitis can also occur in immunocompetent individuals.
Dry or sore throat; Coughing (both a causal factor and a symptom of laryngitis) Frequent throat clearing; Increased saliva production; Dysphagia (difficulty swallowing) Sensation of swelling in the area of the larynx (discomfort in the front of the neck) Globus pharyngeus (feeling like there is a lump in the throat)
Viral infections cause 40 to 60% of cases of tonsillitis. [14] Many viruses can cause inflammation of the tonsils (and the rest of throat) including adenovirus, rhinovirus, coronavirus, influenza virus, parainfluenza virus, coxsackievirus, measles virus, Epstein-Barr virus, cytomegalovirus, respiratory syncytial virus, and herpes simplex virus ...