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Patient History and Physical Examination
Taking a thorough history and physical examination is very helpful in making the diagnosis.
Questions asked by the health care professional may include:
These questions help determine the potential risk of dehydration. Other questions to help assess hydration also may include the amount and frequency of urination, weight loss, lightheadedness, and fainting (syncope).
Other information in the medical history that may be helpful in the diagnosis of gastroenteritis include:
Physical examination will look for other causes of vomiting and/or diarrhea unrelated to gastroenteritis. If there are specific tender areas in the abdomen, the doctor may want to determine if the patient has one of the following, or any other conditions that may be the cause of the patient’s symptoms:
Other noninfectious gastrointestinal diseases such as Crohn's disease, ulcerative colitis, or microscopic colitis also must be considered. The doctor will feel the abdomen for masses. A rectal examination may be considered, where the physician inspects the anus for any abnormalities and then inserts a finger in the rectum to feel for any masses. Stool obtained during this test may be tested for the presence of blood.
The doctor may order other laboratory tests, including:
Stool samples may be collected and tested for white blood cells, red blood cells and different types of infections.
Medically Reviewed by a Doctor on 12/31/2014
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Gastroenteritis (Stomach Flu) - Symptoms
How long did the symptoms of your gastroenteritis (stomach flu) last? Was there anything in particular that helped with pain/symptom relief?
Gastroenteritis - Medications
What medications (OTC or prescription) were effective in treating your case of gastroenteritis?
Gastroenteritis (Stomach Flu) - Causes
What caused your Stomach Flu?
Gastroenteritis (Stomach Flu) - Treatment
What treatment was effective for your gastroenteritis (stomach flu)?
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