The homeopathic remedy Mercurius Corrosivus is for sore throat red, swollen, painful, intensely inflamed. Uvula swollen. Swallowing painful. Most pain in post-nasal with sharp pains to ears. Burning pain, with great swelling. Modalities:: WORSE evening, night, acids. BETTER while at rest; motion better pain in hip joints. SOURCE: Boericke Materia Medica
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