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.
Black widow spider bites. Signs and symptoms of a black widow spider bite may include: Pain. Typically beginning within an hour of being bitten, pain generally occurs around the bite mark, but it can spread from the bite site into your abdomen, back or chest. Cramping. Abdominal cramping or rigidity can be so severe that it's sometimes mistaken for appendicitis or a ruptured appendix.