Under Track changes, click Keep change history for and, in the days box, type the number of days of change history that you want to keep. Note By default, Excel keeps the change history for 30 days and permanently erases any change history that is older than this number of days.
Symptoms of a Claritin-D Overdose. Coma. The most serious effects of a Claritin-D overdose appear to be caused by the pseudoephedrine component of the drug. Pseudoephedrine can have stimulatory effects (particularly on the heart and blood pressure), especially when too much is taken.
Niacin overdose is unlikely if you take niacin only in the amount prescribed by your doctor. While it's not possible to overdose on niacin simply by eating too many niacin-rich foods, taking too much over-the-counter or prescription niacin can be dangerous. Niacin overdose signs and symptoms include:1  Severe skin flushing combined with dizziness.2  Rapid heartbeat. 3  Itching. 4  Nausea and vomiting. 5  Abdominal pain.6  Diarrhea.7  Gout.hile it's not possible to overdose on niacin simply by eating too many niacin-rich foods, taking too much over-the-counter or prescription niacin can be dangerous. Niacin overdose signs and symptoms include: 1  Severe skin flushing combined with dizziness. 2  Rapid heartbeat. 3  Itching. 4  Nausea and vomiting. 5  Abdominal pain. 6  Diarrhea. 7  Gout.