Hirudoid forte and placebo were applied for 10 days. Analgetics and anti-inflammatory agents were not used. Assessment criteria were pain on pressure, oedema and erythema.

• 特强喜疗妥制剂和安慰剂分别应用了10天。未应用止痛剂和消炎药。评估标准为压痛、水肿和红斑。