Ultrafen should not be given in patients with previous hypersensitivity to Diclofenac. Ultrafen should not be given to asthmatic patients and in whom attacks of asthma, urticaria or acute rhinitis are precipitated by aspirin or other NSAIDs.
The use of high dose diclofenac (150 mg/day) for more than 4 weeks is contraindicated in patients with established cardiovascular disease (congestive heart failure, established ischemic heart disease, peripheral arterial disease) or uncontrolled hypertension.