Ibuprofen Lozenge in Acute Sore Throat Pain

Inclusion Criteria: * male or female aged at least 18 years old * patient with an acute sore throat Exclusion Criteria: * Severe respiratory tract infection (pneumonia, bronchitis or laryngitis) * Oro-pharyngeal paresthesia or mycosis * Severely traumatised and/or very severe oromucosal inflammation * Tonsillopharyngectomy * Peritonsillar abscess * Hypersensitivity to ibuprofen or other NonSteroidal Anti-Inflammatory Drugs (NSAIDs) (including bronchospasm) or to excipients * Long term use (≥ 3 times per week within the last month or regular intake within the last 3 months before randomisation) of antiinflammatory drugs- Any long-acting or slow release analgesic intake including NonSteroidal Anti-Inflammatory Drugs (NSAIDs)within 24 hours before randomisation (e.g. piroxicam or naproxen) * Any anti-inflammatory drugs intake by systemic route within 12 hours before randomisation * Any paracetamol intake within 6 hours before randomisation * Any cold medication (decongestant, antihistamine, expectorant, antitussive) within 6 hours before randomisation * Any topical throat medication intake containing or not a local oral anaesthetic such as lozenge, spray, mouth rinse within 4 hours before randomisation * Heavy smokers (\>20 cigarettes/day)