Use of an extract derived from the fruits, the leaves, the bark or the roots of Morinda citrifolia L. for the manufacture of a medicament for the treatment of a mammal suffering from tinnitus. The extract may be a liquid present in the medicament in an amount such as to give a daily dosage of 0.1-2 ml, or 0.2-1 ml, e.g. 0.4-0.7 ml, per kg body weight of the patient. The extract also may be a solid present in the medicament in an amount such as to give a daily dosage of 5-200 mg, or 10-100 mg, e.g. 20-70 mg, per kg body weight of the patient. Optionally, the medicament also may comprise lycopene, vitamine C, coenzyme Q10 and an extract from the leaves of Ginkgo biloba. The medicament may be given e.g. by oral, rectal, transdermal or inhalation administration.