Add one teaspoonful of ginger juice in half cup of boiling water and drink hot after every one-hour. Diarrhea treatment - Make a mixture by adding 1/2 tsp lemon juice, 1/2 tsp ginger juice and 1/4 tsp pepper powder. Drink this mixture two times a day. This is one of the useful home remedies for diarrhea. Banana taken along with curd is also useful for the treatment of loose motions.