Which salt is used as a laxative in medicine to treat constipation?

Which salt is used as a laxative in medicine to treat constipation?

قبض کے علاج کے لیے دوا میں جلاب کے طور پر کون سا نمک استعمال کیا جاتا ہے؟
Explanation

Magnesium Sulphate (Epsom salt) is a common laxative that helps relieve constipation by drawing water into the intestines.

It works by softening stool and promoting bowel movements when taken in proper dosage.