Rex Khamira Abresham Hakim Arshad Wala is an ayurvedic medicine Secondary and off-label uses of Rex Khamira Abresham Hakim Arshad Wala have also been mentioned below. The correct dosage of Rex Khamira Abresham Hakim Arshad Wala depends on the patient's age, gender, and medical history. This information has been provided in detail in the dosage section.