At the healthy adults, the symptoms of gastroenteritis usually last 1 to 3 days. Exceptionally, they can persist for up to 7 days. Symptoms vary in intensity depending on the cause, with bacterial gastroenteritis being more serious than viral gastroenteritis.

Symptoms of gastroenteritis

• Loss of appetite.
• Abdominal cramps.
• Nausea and vomiting that appear suddenly.
• Very watery diarrhea.
• A slight fever (38 ° C or 101 ° F).
• Headaches.
• Fatigue.

Signs of dehydration

• Dry mouth and skin.
• Less frequent urination and darker urine than usual.
• Irritability.
• Muscle cramps.
• Loss of weight and appetite.
• A weakness.
• Hollow eyes.
• A state of shock and fainting.