Medicinally it was used as an expectorant and decongestant. The bulb has carminative, expectorant, sedative, antitussive, pectoral and tonic qualities. The leaves and the seeds have anti-inflammatory, antiseptic, antitussive, cardiac, diuretic, expectorant, haemostatic efficacy. The rhizome is used as an aphrodisiac, tonic, diuretic, expectorant, appetizer and analgesic. Roots decoction is used as fabrige, effective diuretic and expectorant. It was used medicinally as an expectorant (clearance of mucus from the airways) and decongestant. It is effective in the treatment of peptic ulcer and also has expectorant (antitussive) properties. In herbal medicine hyssop is believed to have soothing, expectorant, and cough suppressant properties. Guaiacol is also used medicinally as an expectorant, antiseptic, and local anesthetic. A widely used derivative drug is the expectorant known as guaifenesin. The leaves are used as an antiseptic, expectorant, febrifuge and styptic. Other traditional uses include as an expectorant, astringent, and to treat bronchitis. The plant is also used as a laxative and an expectorant. Benzoic acid was used as an expectorant, analgesic, and antiseptic in the early 20th century. Ammonium chloride is used as an expectorant in cough medicine.