According to your sign and symptom you are suffering pica like problem.
Pica - desired of eating of non edible food item like clay, ice , soap, button, chalk , paint, hair etc.
Next Steps
You should take consultation for best treatment.
Health Tips
Please follow good life style as take plenty of fluid and take less spicy and fatty foods and do exercise regularly with yoga and meditation and keep positive attitude to fight any disease and any problem of your life.