Hello there, I am dr.milan an infectious disease specialist answering your question. I feel you have some deficiency of body elements like vitamins, minerals or any other element. Because if this is infection it may be worsen day by day and it accompany with other symptoms like fever, headache, any site specific complain etc. But this is absent here. So, you just do general body checkup under guidance of your physician. Vitamin deficiency causes this type of symptoms like weakness, uneasiness, body ache, feeling prostrated, feeling bored,numbness, feel exhausted. Hope i have given appropriate guidance to you. if you have any query you can consult me anytime. Give me star rating, helpful vote & thank you according to your satisfaction level. Thanking you.