The homeopathic remedy Clematis Erecta is for itching, skin eruptions. Modalities:: WORSE from heat of bed; night; cold washing; cold air; touch; motion. Headache and toothache are worse lying down in evening; monthly aggravations. BETTER from sweating; open air. Source: Robin Murphy Lotus Materia Medica
You can find Clematis Erecta at Remedy Source.