Hypersensitivity to diclofenac, acetylsalicylic acid or other non-steroidal anti-inflammatory drugs (NSAIDs).
Patient with asthma or in patient when attacks of asthma, urticaria or acute rhinitis are precipitated by acetylsalicylic acid or other NSAIDs.
Children and adolescents less than 14 years.
During the last trimester of pregnancy.