A Case of Urticaria

A female patient, aged 20 years, consulted me about the urticarial attacks from which she had been suffering for the last three months. She had tried other treatment, but with no relief. I started to find the cause which was responsible for her condition. Her diet, habits, clothing, all received careful consideration. She was put on milk diet, and then on dal, rice and curd, but with no change in her condition. After a few experiments of this nature it became obvious that no article of diet was responsible for it. There was nothing wrong with her habits, dress, or environment. Failing to find a cause, palliative measures were resorted to with only temporary and incomplete relief, among which