How can you tell if a cough is due to lung congestion or just sinus drainage?: bronchitis

How can you tell if a cough is due to lung congestion or just sinus drainage?

I’ve been sick since the third week of January. I had Bronchitis, but got over that. I’ve had two sinus infections, double conjunctivitis, nausea, and double ear infections since.

I got better from the first sinus infection, but this second one is lingering and I keep adding symptoms, like the conjunctivitis.

Today, I really started coughing again. I think it’s from my lungs, but I don’t want to go to the doctor and have them tell me it’s just drainage.

How can you tell the difference?

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