vitamin d deficiency will not cause pain in closing hands and neither tingling sensation. motor weakness like dropping of light objects is also not caused by vitamin d deficiency. all these are usually caused by nerve compression or has origin in brain. the next step would be to do a detailed neurological examination by a neurologist to find out the structures affected such as brain spinal cord nerves etc. only then we can think of the possible etiology or cause. after clinical examination you would require mri of brain and spine along with nerve conduction studies to reach a diagnosis. revert back after the investigations to an internal medicine physician online --> <link>
can vitamin d deficiency cause pain while closing hands?