hi, thank you for providing the brief history of your husband. As you mentioned about the meningitis in the past and also the current symptom is soreness and leg cramps. As to deal with, there are exercises which help as to reduce the swelling, improve the metabolism and reduce the soreness and cramps. Due to certain times due to the imbalance in the cellular mechanism there are chances of getting cramps. Usually post meningitis certain patients are advised to perform exercises as it will help their overall health. Performing regular slow and steady exercises directed towards the specific group of muscles does help in reducing the muscle cramps. The approach of scientific way to induce exercises helps improve the metabolism which reduces the muscle cramps and then improve the digestion process as well. Also the imbalance in between the muscle contraction and relaxation will also be corrected. With the grace of god I wish your husband a good health with the non invasive , no side effects therapy. Regards