I am suffering from hypothyroidism,I sometimes feel shortness of breath but since a week it's lille severe. Imn't able to sleep in d nights ..and feeling dizzy and sleepy whole day..It feels like there is something blocking my throat...and not letting oxygen pass through lungs...Can you please help me with dis..and suggest me the needed instructions to fix this.. Thank You. PS: Also I have allergy...I get itching sensation in my throat frm very long time (more than 10 yrs) ..but since last yr sometimes I get Lille bit of flem which black particles inside it ...not very often tho..