Low blood pressure
can be due to many reasons like anaemia, hypothyroid vitamin deficiency
, some heart issues or even anxiety
etc. It is important to find the reason. Also you should mention your BP so that we know the range. You should consult a internal medical specialist or a cardiologist
once for a proper evaluation. Some home measures that may help are increasing your liquid intake in form of fresh juices, coconut water, lassi, lemon water, increased daily water intake etc.