This randomized, double blind, parallel group study, compared the efficacy of spray containing aromatic essential oils of some herbal plants, against placebo in the treatment of patients with acute viral Laryngitis or Tracheitis.

Study objectives: Primary to demonstrate a hoarseness or cough relief within 20 minutes after first administration of treatment with the spray.

Secondary to demonstrate a reduction of a defined symptoms sum score based on symptoms and signs comparing baseline therapy from the beginning to the end of 3 days treatment

This study compared the efficacy of spray containing aromatic essential oils of Eucalyptus citriodora, Eucalyptus globulus, Mentha piperita, Origanum syriacum, and Rosmarinus Officinalis, against placebo in the treatment of patients with acute viral Laryngitis or Tracheitis.

In- vitro and clinical studies suggest therapeutic potential of aromatic herbs and trees oils in the treatment of Laryngitis or Tracheitis. The pharmacological and clinical activity of Eucalyptus citriodora, Eucalyptus globulus, Mentha piperita, Origanum syriacum, and Rosmarinus Officinalis, include anti-inflammatory, anti-bacterial and anti-viral activities. Some of these herbs and trees oils have direct activity on the respiratory tract, the coughing reflex and the airflow in the nasal tract.

Inclusion Criteria:

• Clinical diagnosis of acute viral Laryngitis or viral tracheitis.
• Active disease less than 48 hours
• Patients agree to sign informed consent according to GCP and Israel national regulations.

Exclusion Criteria:

• Acute lower respiratory tract infection.
• C.O.P.D.(Chronic Obstructive Pulmonary Disease)
• Under any antibiotically treatment.
• Asthma disease.
• Under coumadine therapy.
• Hyper sensitivity to Aromatic essential oils.
• Any immuno-suppressive disease