According to your sign and symptom you are suffering from some infection like to tight stool with dark in colour.
As you know that best treatment depend on the correct diagnosis and correct diagnosis depend on the complete history of the patient so please take consultation from a doctor and give complete history of the patient so that correct diagnosis will be make and then best treatment will be start
Next Steps
On the basis of your current history take treatment as follow as
Take Tablet Dalcoflax in the night before go to bed for tight stool.
Take Aristozyme 5 ml 2 time per day after food for 1 week.
Take Liv 52 5 ml 2 time per day after food for 1 week.
Take plenty of fluid and take less spicy and fatty food and do excercise regularly with yoga and meditation.
If still problem happen then do Endoscopy of upper GI .
Health Tips
please follow good life style and keep positive attitude to fight any problem of your life.