Drink regular tea with freshly squeezed lemon or honey. This will definately help in the relaxation of the stomach.
One of the most effective home remedies for stomach ache would be to mix 1 tsp each of mint juice and limejuice. To it, add a few drops of ginger juice and a pinch of black salt. Drink this mixture to alleviate pain.
If the stomach ache is due to acidity, the best bet would be to drink plain soda water. It would provide instant relief from the pain.
In 50 ml water, mix 2 tsp lemon juice and 1 gram rock salt powder. Have this mixture three times a day.
One teaspoonful ginger juice and one teaspoonful castor oil mixed in half cup warm water relieves stomach ache. It can be taken twice a day