Background: Psoriasis is an inflammatory immune-mediated disease with an unknown in its aetiology. It is a debilitating, disfiguring, and painful condition with significant detrimental effects on patients' quality of life. Around 2% is thought to be the global prevalence; however, this varies from one country to another.
Patient presentation: A 55-year-old male patient diagnosed with Plaque Psoriasis, suffering from severe itching with a burning sensation, brownish discolouration of the skin with much scally formation and sometimes blood oozes after scratching on forearms, scalp and both knee regions from the last 9 years.
Conclusion: The patient was treated with various kind modes of treatment but there was no satisfactory result came out. Therefore, the patient pursued homoeopathic treatment for a long-term cure. A Homoeopathic constitutional medicine Lycopodium clavatum 30 was prescribed based on the totality of symptoms. The symptoms improved, but after some time, they all came to a halt. According to homoeopathic principles, this led to an increasing the potency of Lycopodium clavatum 200. After a few months of treatment, there was an appreciable result came out and as well as a perceivable improvement in the PASI Index. This case shows a favourable effect of a constitutional homoeopathic medicine on plaque psoriasis.