Why does Pepsi clear my sinuses/stop my runny nose?

Is it only Pepsi or is it other caffeinated beverages? Caffeine shrinks swollen blood vessels which is why it helps with headaches and nasal congestion. It is an ingredient in headache and sinus medications for this reason. read more

Caffeine shrinks swollen blood vessels which is why it helps with headaches and nasal congestion. It is an ingredient in headache and sinus medications for this reason. read more

A runny and watery nose may be caused by anything that irritates the nasal tissues. This symptom is frequently caused by an upper respiratory infection (URI), such as the common cold, and sometimes caused by a sinus infection. read more

They help thin the mucus in your nasal passages, pushing the fluids out of your nose and decreasing the pressure in your sinuses. Less pressure means less inflammation and irritation. If your stuffy nose is accompanied by a sore throat, warm tea and soup will help ease the discomfort in your throat, too. read more