Hot water bottle for pain relief is very useful in alleviating pain from abdomen, lower back, shoulders and other body parts. Why must one keep it handy at all times? Because it provides instant relief and is super effective. The best part is these heating pads are ready to use within minutes. There are two kinds of heating pads available in the market. One is in which one has fill hot water from time to time and other one is the electric one which is relatively more convenient to use. Many women dealing with menstrual pain swear by the hot water bottle and it makes for one fine recommendation.