Caffeine warning: The recommended dose of this product contains about as much caffeine as a cup of coffee. Limit the use of caffeine-containing medications, foods, or beverages while taking this product because too much caffeine may cause nervousness, irritability, sleeplessness, and, occasionally, rapid heart beat.
The list of signs and symptoms mentioned in various sources for Hartnup Disease includes the 23 symptoms listed below: 1  Itchy rash only on light exposed areas. 2  Headache. 3  Intermittent ataxia. 4  Abdominal pain. 5  Chest pain. 6  Pain in the extremities. 7  Crying spells. 8  Mental retardation if untreated. 9  Fainting.
Norovirus causes inflammation of the stomach or intestines or both. This is called acute gastroenteritis. The most common symptomsâ. 1  diarrhea. 2  throwing up.3  nausea. 4  stomach pain.f you think you or someone you are caring for is severely dehydrated, call a doctor. Norovirus causes inflammation of the stomach or intestines or both. This is called acute gastroenteritis. The most common symptomsâ. 1  diarrhea. 2  throwing up. 3  nausea. 4  stomach pain.