The homeopathic remedy Causticum is for hoarseness, blisters, burns, difficult expectoration, frequent or involuntary urination, incontinence, warts. Causticum is used for rheumatism, contracted tendons, hoarseness, as well as other conditions. Symptoms include burning, rawness, loss of muscular strength. Modalities:: WORSE clear, fine weather, dry cold winds, cold air; riding in car. BETTER damp, wet weather; warmth of bed; cold drinks; gentle motion. SOURCE: Boericke Materia Medica
You can find Causticum Pills at Remedy Source.