Note: Antihistamines (e.g., Benadryl, Claritin) are not first-line for simple blocked sinuses – they can thicken mucus. Use them only if allergies are the clear cause.
Consult with your healthcare provider or an ear, nose, and throat (ENT) specialist if you have recurring sinus problems or if your symptoms don't improve with home remedies or OTC medications. remedies for blocked sinuses