How Can Eye Pain, Cold, Dizziness Caused By "bhang" Be Treated?

hello sir, on this shivaratri i ate a goli of bhang, and there was no effect of bhang till next 2 hours. in the midnight everything started doing slow motion. then i slept. when i wake up in the next morning, my eyes were like bloody red from the bottom and white from middle to top. that day i caught by the common cold. now sir, when i try to study a kind of wave rush through my mind. sir mera dimaag ghoom jata hai, i feel pain in my eyes and some strain in the upper part of eyes. so sir please tell me what is the reason behind this: bhang, cold, weakness in eyes?