R48 drops is a constitutional remedy that mainly acts on the lung (pulmonary) weakness and pre tuberculosis conditions of infirmity. It is a complementary remedy in bronchial asthma, chronic pulmonary catarrh, cough resulting from excessive smoking. R 48 is a useful alternative remedy in all inflammatory conditions (Catarrahal affections) of the upper air passages, weariness, nocturnal perspiration. R48 contains Bryonia that has specific action on inflammation (catarrh) , ferrum phosphoricum (for ailments of upper air passages) and silicea (inflammation of lungs).