What are the repercussions from having too much calcium in your body?

Let me help: Nausea and vomiting, muscle weakness, and excessive drowsiness are some of the possible symptoms that may occur with an overdose of calcium. Symptoms of an overdose may occur if your dosage exceeds the tolerable upper intake level" (ul), which is 2500 mg (2.5 grams) daily. If you happen to take too much calcium, be sure to seek medical attention right away.