Hello,

Thanks for your query. Your concern for these symptoms is genuine. The symptoms of fatigue, excruciating muscle cramps in both claves and foot spasms can be due to either low magnesium levels or low vitamin D levels. The third possibility although less likely is of hypoparathyroidism. It is an endocrine disease in which the parathyroid glands in the neck do not produce enough parathyroid hormone (PTH) and hence several symptoms appear, important ones being muscle cramps and foot cramps. Hypoparathyroidism occurs when the glands produce too little PTH and a low magnesium level is one of the causes of hypoparathyroidism.

You already have been diagnosed with low vitamin D levels and magnesium levels, both of which can cause muscle cramps. Now to rule out any hypoparathyroidism, you need to get measurement of calcium, serum albumin and PTH in blood.

Thirdly low cortisol levels can cause muscle weakness and chronic fatigue but it is less likely to cause muscle cramps. It can be due to secondary adrenal deficiency in your case which may occur when a person who has been taking a synthetic glucocorticoid hormone( methylprednisolone in your case) for a long time either decreases the dose or tapers it off. Corticosteroid drugs block the release of both CRH and ACTH hormones. As a result, the adrenals may begin to atrophy and hence enough cortisol is not produced.

I suggest you to consult an endocrinologist and get prescribed vitamin D and magnesium supplements. Your symptoms should improve with that. Also get any hypoparathroidism ruled out by investigations mentioned. You also need to consult a gynecologist as menopause can cause hot flashes and sweating all night in females. In such a case, hormonal replacement therapy needs to be prescribed.
Hope this answers your query. If you have additional questions then please do post us. Wishing you good health.

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