A two-arm, multicenter, randomized, double-blind, single dose placebo-controlled parallel groups study evaluating efficacy and tolerability of 800 mg Acetylsalicylic Acid (Aspirina C) in adult patients with a common cold during a two hour in patient phase; and a follow-up period of five days of home treatment as required.

Inclusion Criteria:

• Age between 18 and 65 years
• Onset of cold symptoms within 48 hours before screening
• Objective symptoms of common cold
• Subjective symptoms of common cold

Exclusion Criteria:

• Pregnancy or lactation period
• Active peptic ulcer
• Hemorrhagic diathesis
• History of chronic or recurrent ulcer disease or history of gastro-intestinal bleeding
• Hypersensitivity to acetylsalicylic acid, to paracetamol, to any other component of the study medication, to anti-inflammatory or antirheumatic drugs, to other allergens