if my nose is stopping me from not breathing right

should i do surgery??? i noticed i haven't been breathing right lately....  like deep breaths and also been getting light headed more often.... im kinda scared!! ... i need oxygen flowing in my brain but i feel like i'm not getting any ... my nose is pretty big i have to admit.... i always beeen insecure with it because it's too big and i have moles on the side .... ... 😕😞since i was in middle school...  should i get help???? im only 22.. i don't have insurance but my dad gets insurance through his job so he helps me with my vision , teeth and health...