How Can Wheezing And Cough Along With Headache Be Treated?

I am suffering from a respiratory infection that I contracted over three weeks ago while traveling in Egypt. I took a Z pack (antibiotics) and other OTC cough expectorants and suppressants but nothing brings any relief. I have a wheezing cough deep in my chest with thick yellow phlegm, muscle and head ache, and I cannot hear out of my left ear. I wanted to get a test to see what allergy is affecting me but all local doctors require a first-time consultation before conducting an allergy panel. It s Friday afternoon and I m miserable. What can you suggest until I get in to see a specialist at the local allergy clinic who is not available until August 9th. Thank you! Debra