SBL Drops No 7 Sinusitis (30ml)SBL drop no 7 Sinuses have the same mucous membrane lining as the nose. Sinusitis is an inflammation of the paranasal sinuses. The inflammation could be caused by a virus, bacteria, or fungus. The infection may also be the result of an allergic or autoimmune reaction when the immune system attacks healthy cells. Indications of SBL drop no 7 Inflammation of the nose and catarrh Swelling over the face, because of Inflammed sinus. Recurrent sneezing and