You are having generalised pruritus and burning sensation in extremities.
You had flu.
There are many causes of Generalised pruritus .
Xerosis, anaemia, thyroid dysfunctions,DM,renal diseases,liver diseases, malignancies, drugs and many other..
Tingling sensations may be due to anaemia, vitamin B 12 deficiency, depression
,anxiety,DM,leprosy, neuritis,peripheral vascular diseases,bad habits like tobbaco and alcohol...etc
Thorough history and. Clinical examination should be there to come to provisional diagnosis.
and radiologic investigations may be done to rule out above diseases.
And ultimately to diagnose the perticular disease.
Then accordingly treatment may be taken.
For this, you must consult dermatologist
You have heart disease
also, for that you consult cardiologist
Hope you may recover early.
Dr. Ilyas Patel MD