Boiron Sinusalia combines homeopathic medicines traditionally used to relieve sinus pain. Regulated as drugs by the FDA, homeopathic medicines are safe and reliable. Take Sinusalia at the first sign of sinus pain. Sinusalia helps to relieve nasal congestion, sinus pressure, headache pain, sinus pain with stuffy nose, runny nose and post-nasal drip. Sinusalia temporarily relieves pain and nasal congestion due to the common cold or allergies.