What are the other medicines he is on? Is he on anti hypertension medicines? Medicines for cholesterol especially triglycerides? Medicines for kidney? If so high uric due to medicines. Any change in the way the medicines being taken any addition or deletion if Ayurveda medicines along with allopathy medicines can be Harmful. Sometimes they enhance the function sometimes won't allow them to work.. Leading to imbalance of medicines so without full history of his conditions cannot answer your question.

Yes,u can use it but about 2to2.5litres of water daily, avoid pulses, cauliflower, broccoli, fish,non veg, milk and milk products.

Yes partly punarnadi qwata helps, consult me online, can bring it back to normal

Consult ayurveda physician for proper diagnosis and root cause of ailment

Simply giving answer to your query is not at all help u Need to know detail case history Need to evaluate more Need to rule out root cause and symptoms ,pt strength , appetite , bowel habits etc after that only I'll give you right choice of medicine

Take authentic treatment in Ayurveda

Find out root cause of your problem by ayurved way diagnosis Correct it by ayurved way medicine diet and lifestyle corrections Finding out root cause and its cure is very important for improvement permanent cure Correct diagnosis by ayurved way is very important main factor in treatment Take any ayurved medicine after proper ayurved way diagnosis only for avoiding bad effects of intake Take online consultation directly for accurate diagnosis and treatment diet chart home remedies

Self medication is always harmful... Consult an ayurveda expert for best advice