- Also take calcium supplements
- Have kidney disease
- Take medications that affect calcium
- Have certain endocrine conditions
- Have been supplementing for long periods without testing
When to Seek Urgent Care
Vitamin D testing
Seek prompt medical attention if you develop:
- Severe vomiting
- Marked weakness
- Confusion
- Severe dehydration
- Significant kidney pain
- Irregular heartbeat
- Very reduced urination
These symptoms can have many causes, but they should not be ignored.
The Bottom Line
Vitamin D is essential, but excessive supplementation can be harmful.
The four warning signs to watch for are:
Vitamin D supplements
- Nausea, vomiting, or loss of appetite
- Unusual weakness or fatigue
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