Hello doctor, this is for my 87 years old grand mother who is suffering from leg pain. The foot of her leg swollen it's watering and skin also become black in colour. That particular part of the leg is having the problem and swelling, itching is there around the full area. Due to covid pandemic here shops are not open and we are afraid to take her to the hospital. Kindly proscribe some medicines for immediate cure. She is an asthma patient taking derifilin ,seroflo rotacaps and duolin rotacaps.