Lately, about every other night, and only in the evening or at night the inside of my body gets itchy, like Im itchy inside my chest and ribs and breasts.  I also get a harsh fleet cough and sometimes cant sleep de to extreme post nasal drip running into my lungs.  This is only been the last few months.... Whats up?
You may have some hypersensitivity or some allergic reaction. Get IGE and ESR done with CBC. Anti-allergic at night may release the symptoms. May consult allergy specialist or skin specialist.