Do you feel pulsation just after workout. if that is the case some people are very sensitive and can feel the flow of blood after exercises. this position is indication of increase in the blood flow after exercises.
This is good indication that your exercise is a working for you ,please don't worry but supplement your diet with protein that is very essential if you are on daily workout and doing weightlifting also.
you can also take electrolyte, नींबू पानी with light salt and
sugar is also good.
Next Steps
just check your blood parameters if they are normal please ignore this symptoms.
Health Tips
There is no shortcut to fitness one has to be consistent . You can get your workout designed by physiotherapist that will benefit you more and you can do it all over your life without suffering from gym injuries or workout injuries that I usually see in my consultation..
best of luck