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Side Effects of Vitamin D Supplements

According to Medline Plus, vitamin D plays a role in our bloodstream and bone strength by maintaining phosphorus and calcium levels. Although vitamin D is tolerated well by most people, there are some side effects to look out for.

  1. Considerations

    • Take your vitamin D supplement as directed, without taking more than the recommended dosage. Do not chew or crush vitamin D capsules as they may lose their effectiveness, according to MedicineNet.com.

    Symptoms

    • According to MedicineNet, signs that you might be suffering from vitamin D side effects include appetite changes, bone pain, dizziness, dry mouth, headaches, increased thirst and urination, nausea, muscle pain, weakness, stomach cramps, weight loss and vomiting. Report any side effect symptoms to your doctor.

    Effects

    • According to Medline Plus, vitamin D can lead to excessive calcium deposits in your kidneys, disrupting their function. Call your doctor if you experience kidney pain.

    Prevention/Solution

    • Before you take a vitamin D supplement, ask your doctor if it can interact with any prescription drugs you may take. According to MedicineNet, interactions can occur with medications containing digoxin, barbiturates, verapamil, and phenytoin. Also, Medline Plus states that abnormal heart beats may occur from taking vitamin D with herbal supplements.

    Warning

    • Overdosing on vitamin D may cause bone loss and hypercalcemia, or excessive calcium levels in the body. According to Medline Plus, untreated hypercalcemia is life-threatening.

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