hai, for common cold and cough depending upon the severity medication is needed. if she feel severe nasal congestion and persistent cough medication is much needed one. try with following home remedy: • Two tablespoons of fresh ginger extract added to hot water and consumed frequently helps cold and sore throat, symptoms. add lemon juice too. also1 gm of pepper(stimulant) with honey (natural cough reliever) will give you cough relief. Add plenty of liquid daily. If the severity is not improved consult the physician to treat the condition. Borderline high BP is okay as of now.(physiological) thank you Hope i answered your query .