I have had a severe headache for 4 days, pain between the eyebrows, stuffy nose, and pain in the face.

It is recommended to seek advice from a pharmacist if you are experiencing symptoms of sinusitis. They can recommend over-the-counter medications to help alleviate your symptoms. If you have any health conditions or are pregnant, nursing, or have allergies, make sure to mention this to the pharmacist before taking any medication. In the current context of the coronavirus pandemic, it is important to be cautious and follow any guidelines or recommendations from healthcare professionals.