My mother is asthma, thyroid and BP patient. She is having cold nowadays but before no cold also she coughs a lot during night. Kindly let me know how to get her relief in this via medicine and home remedies. She is fully vaccinated and never had Covid . She takes her medicine for thyroid,asthma and bp . She also has foot pain specially sole pain at night. Kindly let me know how to cure coughing at night .