May be due to some physical problems like anaemia, Hypothyroidism, low bp,low protein rich diet etc.Due to some mental disorder it also occurs like-depression, long lasting griefetc.
Consult doctor onlone or offline for discussion with u and then diagnosis can be done and proper treatment is adviced.
Nest wishes...
Feel free to contact...
Disclaimer : The content is not intended to be a substitute for professional medical advice, diagnosis, or treatment. Always seek the advice of your physician or other qualified health provider with any questions you may have regarding your medical condition. Never disregard professional medical advice or delay in seeking it because of something you have read on this website.