Is it possible to use Dalacin C for sinus pain with damaged nerves?

Dalacin C should be used exactly as directed by your doctor. It can be used, m.in, in bacterial sinusitis. Unfortunately, I do not know what you meant when you wrote about damaged nerves. Contraindication to the use of dalacin is an allergy to the components of the preparation or cross-allergy. However, in patients with neuromuscular conduction disorders (e.g. myasthenia gravis), special caution is recommended. The need to use the drug is decided by the doctor, based on the m.in medical history of a given patient: https://www.gdziepolek.pl/produkty/21077/dalacin-c-kapsulki/ulotka/62443 I encourage you to read additional materials that may be useful: https://www.gdziepolek.pl/artykuly/skuteczne-sposoby-na-zapalenie-zatok https://www.gdziepolek.pl/kategorie/zatoki