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Miami Headache Blog

Can Too Much Vitamin D Cause Headaches?

Maribel Cordova-Ramirez - Monday, February 27, 2017

Vitamin D helps your body absorb a number of important minerals that it needs to function. It provides your cells with the tools to more efficiently process calcium, iron, magnesium, zinc and phosphate – all of which have important roles in maintaining health.

Unlike many other vitamins, vitamin D is not derived mainly from food. In fact, most people get all the vitamin D they need from simple sun exposure. Your skin produces it naturally when you get enough sunlight. The body knows how to process and use it.

However, more people are getting vitamin D supplements for various reasons. Some people do suffer from vitamin D deficiency, often when the body does not process it correctly.

This has led many to ask – is there a connection between vitamin D and headaches?

Can Too Much Vitamin D Cause Headaches?

The idea of the vitamin D headache has become popular online, but is it legitimate?

Rarely, vitamin D has been associated with headaches.

However, symptoms arising from vitamin D consumption are more likely to happen if you have diabetes, kidney disease or other conditions that either influence the uptake of vitamin D or are influenced by the presence of vitamin D in the body.

“Vitamin D headaches” may be a sign of an underlying issue.

Symptoms of Too Much Vitamin D

Although vitamin D is generally safe, overdose can take place under rare circumstances. Overdose becomes a bigger risk if you are taking prescription “megadoses” of the vitamin. Very few people get enough vitamin D from diet or the environment to risk an overdose.

How much vitamin D is too much?

According to the Mayo Clinic, toxicity is associated with massive, long-term doses: 50,000 international units (IU) per day for months. The precise definition of an IU varies by substance, but in the case of vitamin D, the recommended daily allowance is just 600 IUs.

The danger level is more than 80 times that much.

Symptoms of vitamin D toxicity include:

  • A build-up of excessive calcium in the blood (hypercalcemia);
  • Reduced appetite, accompanied by nausea and vomiting;
  • Frequent urination and a greater risk of kidney problems;
  • Weakness.

Miami Headache Institute

Many people who feel they are getting “vitamin D headaches” actually have an unrelated vitamin deficiency, especially a shortage of magnesium. Expert headache diagnosis is essential to getting the treatment that will provide lasting relief. To find out more, contact Miami Headache Institute.

Don’t let the stresses of life get in the way of what’s truly important

Our migraine & headache experts can help you. The Miami Headache Institute uses the latest technology and treatments to ensure the most effective results. Contact us today.




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