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Angiology. 1994 Jun;45(6 Pt 2):566-73.

Double-blind, placebo-controlled evaluation of clinical activity and safety of Daflon 500 mg in the treatment of acute hemorrhoids.

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Dipartimento di Scienze Chirurgiche e Anatomiche, Università di Palermo, Italy.


One hundred patients with a history of hemorrhoidal disease and suffering from an acute hemorrhoidal attack were randomized into two parallel groups and treated with Daflon 500 mg* (D500) or placebo (PL) under double-blind conditions. Daflon 500 mg was administered at the dosage of three tablets bid the first four days and two tablets bid the following three days. Overall improvement of symptoms was greater in the D500 group than in the PL group, from D2 up to D7. The clinical severity of proctorrhagia, anal discomfort, pain, and anal discharge diminished in both groups but to a greater extent in the D500 group (P < 0.001 for all parameters except protorrhagia, P = 0.006). Inflammation, congestion, edema, and prolapse were more markedly improved in the D500 group than in the PL group. Duration and severity of the current hemorrhoidal episode, as assessed by patient self-evaluation, were less important in the D500 group as compared with previous episodes. Use of analgesics and topical medications diminished in both groups, with a major reduction in the D500 group from D4 (P < 0.001). Acceptability was good in both groups: no patient experienced major side effects. In summary, treatment with D500 resulted in a quicker and more pronounced relief of signs and symptoms of acute hemorrhoids than with the placebo.

[Indexed for MEDLINE]

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