Digestive disorders: Ulcerative and hemorrhagic gingivostomatitis. Intense intestinal pains with tenesmus, bloody, glairy stools. Urogenital disorders: Acute cystitis with tenesmus and hemorrhaging. ENT: Pharyngitis and tonsillitis with burning pains, intense pain when swallowing. Ulcerative and hemorrhagic tonsillitis. Keratitis. MERCURIUS CORROSIVUS Mercuric chloride Ulcerative and hemorrhagic lesions Aggravation: – from the slightest touch, – at night.