Pharyngitis

- Healthy, ambulatory, male and female subjects ≥ 18 years of age
- Presence of sore throat due to upper respiratory tract infection (URTI)
- Onset of sore throat pain within six days of the screening period
- Baseline sore throat pain intensity score ≥ 60 mm on the Sore Throat Pain Intensity Scale
- Have a score ≥ 5 on the Tonsillopharyngitis Assessment
- Female subjects of childbearing potential who are currently sexually active must be using a medically acceptable form of birth control for at least one month prior to screening (three months on oral contraceptives), e.g., oral or patch contraceptives, intrauterine device, Nuvaring, Depo-Provera, or double-barrier and have a negative pregnancy test at screening/treatment period. Female subjects of non-childbearing potential must be amenorrheic for at least two years or had a hysterectomy and/or bilateral oophorectomy.
- Understand the pain rating assessments

- History of hypersensitivity to aspirin, salicylates, other nonsteroidal anti-inflammatory drugs, acetaminophen, opioid analgesics, and similar drugs
- Use of any “cold medication” (i.e. decongestants, antihistamines, expectorants, antitussives) within four hours preceding administration of the investigational product
- Use of any immediate release analgesic/antipyretic within four hours or use of any sustained release or long-acting analgesic/antipyretic within twelve hours preceding administration of the investigational product
- Consumption of alcoholic beverages, or foods and beverages containing xanthines within two hours prior to administration of the investigational product
- Use of any sore throat lozenges, sprays, cough drops, menthol-containing products within one hour preceding administration of the investigational product
- Presence of cough that causes throat discomfort
- Presence of mouth-breathing or any respiratory condition that, in the Investigator’s judgment, could compromise breathing
- Evidence of clinically significant hematological, renal, endocrine, pulmonary, gastrointestinal, cardiovascular, hepatic, psychiatric, neurologic diseases, or malignancies for which aspirin or acetaminophen is contraindicated
- Relevant concomitant disease such as medically uncontrolled asthma (exercise induced asthma is permitted), chronic sinusitis or nasal structural abnormalities causing greater than fifty percent obstruction
- History of gastrointestinal bleeding or perforation related to previous non-steroidal anti-inflammatory therapy.
- Current or past history of a bleeding disorder
- Self reported alcoholism or drug abuse within two years prior to screening or routine consumption of three or more alcohol containing beverages per day
- Habituation to analgesic drugs or tranquilizers (i.e., routine use of five or more times per week for greater than three weeks)
- Acute illness, local infection, or disease (other than URTI with pharyngeal infection) that can interfere with the conduct of the study
- Current use of blood thinning (anticoagulant), low dose aspirin, or steroid drug
- Has initiated treatment for depression within the past thirty days
- Females who are pregnant or lactating