Hello I appreciate your concern Looking at your description this could be food poisoning or gut infection either viral bacteria or protozoa Leg pain can be caused by nutritional deficiency or electrolyte disorder owing to diarrhea I would like further information to guide you better like relevant medical history Is it associated with pain in abdomen or vomiting? since how long you have this problem You should continue with all your medication Have adequate fluid intake including ORS or fruit juice to avoid dehydration and electrolytic imbalances, You may require a course of antibiotics under supervision of your doctor Meanwhile have probiotics, curd, yogurt or banana as a home remedy Hope this helps you Please write back to me with all the details I will definitely help you in best possible way Best wishes