Sildenafil may help treat Raynaud's phenomenon.MedPage Today (3/9, Smith) reported that sildenafil (Viagra) may "help treat Raynaud's phenomenon," according to a study in Arthritis & Rheumatism. Researchers gave "57 patients with the condition 100 milligrams of sildenafil once a day for three days, followed by either 200 milligrams of the drug once a day or an identical placebo for 25 days." They found that "on average, patients in the sildenafil group had a 44% reduction in the frequency of attacks per week, compared with 18.1% for those in the placebo group."
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