If the Doc had heard anything in there he would probably have ordered an x-ray.
By the time this is over, you'll be de-toxed.Quit smoking. If others in the house smoke, ask them to please smoke outside.
Put a pan of water on to boil, drape a towel over your head and inhale the steam. Be careful not to get too close and don't set the towel on fire.
Use a moisturizing spray in your nose.
Avoid dairy products. They cause mucus.
If you're REALLY worried about pneumonia, call your Dr. and ask about a chest x-ray.
Tough it out til the drugs kick in. There are some herbs that may help with the symptoms but I'll let someone with more knowledge than me fill you in there.