Ambroxol Lozenges 20mg in Relieving the Pain of Sore Throat in Adolescent Patients With Acute Viral Pharyngitis

1. Patients having a sore throat with acute viral pharyngitis.
2. Female and male patients from 12 and less than 18 years of age.
3. The throat pain intensity is rated at least "moderate" on the VRS(PI).
4. Written Informed Consent is given by the patient's parent/legal guardian, an d the patient is able to give Assent.
5. Compliance by the patient seems guaranteed, and the patient seems to be able to understand and complete the patient diary.
6. Patient able to remain at the doctor's practice for the initial 3 hours follo wing the first intake of study medication, or known reliable patient, and able t o return for the study visits.

EXCLUSION CRITERIA

1. Female patients who have begun menstruating and are:

   1. Pregnant
   2. Currently breastfeeding
   3. Of child-bearing potential and are NOT practicing acceptable methods of birth control, or do NOT plan to continue practicing an acceptable method throughout the study. Acceptable methods of birth control include surgical sterilisation, intra uterine device, oral, implantable or injectable contraceptives. Abstinenc e can be used as contraception, at the discretion of the investigator.
2. Patients with symptoms of primarily bacterial pharyngitis or bacterial secon dary infection (clinical findings inter alia assessment of exudate).
3. First indication of symptoms of acute pharyngitis (e.g. sore throat) occurre d more than 3 days ago.
4. Patients who suffered from acute viral or bacterial pharyngitis in the past 4 weeks.
5. Patient who in the past week, or during the study will require treatment with the following: antibiotics analgesics anti-inflammatory agents steroids fo r oral, inhaling or topical application expectorants or antitussives. No phys ical therapy (e.g. throat compress) may be applied during the trial.
6. Patients with mouth breathing as a result of nasal congestion.
7. Known hypersensitivity to Ambroxol or to auxiliary substances contained in t he lozenge.
8. Previous and/or existing tumour condition.
9. Alcohol, and/or drug abuse.
10. Any clinical condition which, in the opinion of the investigator would not a llow safe completion of the protocol and safe administration of trial medication.
11. Any investigational therapy within 30 days prior to randomisation.