Do not use on broken skin, infected areas, eczema, or near eyes/mucosa. Stop and seek medical advice if severe rash, swelling, breathing difficulty, or persistent irritation occurs. Use with caution in people allergic to diclofenac/aspirin/other NSAIDs or with asthma triggered by NSAIDs. Avoid prolonged use over large areas, especially in children and elderly. Use in pregnancy: avoid in 3rd trimester; consult doctor otherwise. Not intended for oral use.