To assess the effectiveness of marigold therapy, using Tagetes erecta,
in the treatment of hyperkeratotic plantar lesions, a double-blind pl
acebo controlled trial was designed to be carried out over a period of
8 weeks. Thirty adult patients were randomly selected and allocated t
o three groups, Group A treated with marigold preparations plus protec
tive pad, Group a with placebo plus protective pad, Group C with marig
old therapy without protective pad. Each group was treated at the clin
ic once a week for 4 weeks, followed by 4 weeks home treatment. The ef
fect in reduction of corn and callus and in the level of pain was reco
rded. Marigold therapy was found to be effective for the reduction of
corn and callus width, length and the level of pain.