I just started an antibiotic and now my lips are swelling and I'm starting to wheeze. Help?!

Emergency. Shortness of breath and rapid swelling is suggestive of a life threatening emergency. In such a situation one should call 911, go to the emergency room or contact their physician.
Allergy to drug. You are having an allergic reaction. Please stop the medications and see your md now or the er. They will change your medication to a drug you are not allergic to.