Hi... Welcome to healthcare magic... I understand your problem.... Tension and hormonal changes also cause this type of problems... I will advise you do a meditation regularly... Take eight hour sleep... Well balanced diet... Read a motivational article.... Consult a psychiatrist for further treatment.. Antidepresants drug is helpful ... Behaviour therapy is also helpful.. Behaviour therapy alter a thoughts and decrease negative thinking.. This help you to how fight against your problem... Do a activity which you like and give happiness... I hope my guidance helpful to you... Take care. Thank you.