Couldina Instant with Acetylsalicylic Acid is an association of acetylsalicylic acid, chlorphenamine and phenylephrine. Acetylsalicylic acid is an anti-inflammatory that acts on pain and fever. Chlorphenamine is an antihistamine that relieves nasal secretion. Phenylephrine is a sympathomimetic that reduces nasal congestion. It is indicated in adults and adolescents 16 years of age and older for the relief of symptoms of colds and flus with fever, mild to moderate pain, congestion and nasal discharge. A doctor should be consulted if fever persists for more than 3 days or pain for more than 5 days, or if it worsens or does not improve.