Physical examination is advised prior to starting therapy. Hepatic impairment, mental depression. Monitor blood glucose in diabetic patients. Discontinue treatment upon signs of thromboembolic and thrombotic disorders. Discontinue treatment if unexplained, sudden or gradual, partial or complete loss of vision, protopsis, diplopia or papilledema, retinal vascular lesions or migraine occur. Caution when used in patients with conditions that might be worsened by fluid retention (e.g. asthma, seizure disorders, migraine, cardiac or renal dysfunction).