Sinusitis is inflammation of the sinuses, often following a cold or allergy. It causes facial pain, nasal congestion, thick nasal discharge, and reduced sense of smell. Acute sinusitis lasts up to 4 weeks; chronic sinusitis persists over 12 weeks.
Pseudoephedrine is a nasal decongestant that constricts blood vessels in the nasal mucosa to relieve nasal congestion from colds, allergies, and sinusitis.
Oxymetazoline is a nasal decongestant that constricts blood vessels in the nasal mucosa to relieve nasal congestion from colds, allergies, and sinusitis.
Xylometazoline is a nasal decongestant that constricts blood vessels in the nasal mucosa to relieve nasal congestion from colds, allergies, and sinusitis.
Phenylephrine is a nasal decongestant that constricts blood vessels in the nasal mucosa to relieve nasal congestion from colds, allergies, and sinusitis.
Describe your symptoms and get a structured AI clinical assessment — possible causes, urgency level, and recommended next steps.
Start Free AI Analysis →Content on this page is informed by evidence-based clinical sources including: