Side aches are common in runners, often caused by drinking fruit juice or a high calorie, electrolyte sports drink before or during exercise. Don ' t eat a large meal 1-2 hours prior to a run to avoid side aches.
Are you during your menstrual cycle or have you had one recently? You might want...
You should consult a doctor, you could have appendicitis.
Use a heating pad on your back.
The song "Hurt So Bad" is sung by the artist Linda Ronstadt.