Brief Answer: needs evaluation. Detailed Answer: Hello, Thanks for posting your query. There are different possible causes for the symptoms that you are experiencing. One of the potential causes is hypothyroidism which is a low level of thyroid hormone. This is a hormone that plays an important part in the metabolism of the body. Hypothyroidism is commonly associated with cold intolerance and muscle stiffness, the inability to tolerate cold would lead to shivering. It is diagnosed by a examination (there are certain features that are present when a person with hypothyroidism is examined) and by a blood test to assess the level of the thyroid hormone. In addition to hypothyroidism, electrolyte imbalance (levels checked by blood tests) Vitamin D3 deficiency and excess activity can result in muscle spasms. Such Muscular stiffness and spasms can be treated by (1) treating the underlying cause (2) keeping yourself well hydrated (3) stretching the muscles involved (4) the use of anti inflammatory medication such as ibuprofen, cataflam with meals provided there are no contraindications to their use (5) a muscle relaxant may be necessary It may be best, if possible to visit your doctor for a thorough assessment and treatment plan. I hope this answers your query. In case you have additional questions or doubts, you can forward them to me, and I shall be glad to help you out. Wishing you good health. Regards. Dr. Praveen Tayal. For future query, you can directly approach me through my profile URL http://bit.ly/Dr-Praveen-Tayal

---