<prompt> Acrodynia is associated with:LeadMercuryZincArsenic  <response>: Ans. b MercuryRef: The Essentials ofFSM by K.S. Narayan Reddy 31st ed. 505MERCURY POISONING HYPRAGYRISM Vapours of mercuric compounds are poisonous because it will be absorbed in the systemic circulation. Mercuric compounds being soluble are more poisonous than mercurous less soluble compounds.Clinical Presentation of Mercury Poisoning Remembered as MEATS Mercuria lentis: brownish deposition of mercury on the anterior lens. Membranous colitis Erethism: Characterized by shyness, irritability, tremors, loss of memory insomnia. Acrodynia Pink disease: Generalized pinkish body rash starting from tips of fingers toes Characterized by 5 Ps: Pinkish, Puffy, Painful, Paresthetic hands, and feet with Peeling of skin. Tremors: Also known as Danbury tremors, hatters or glass-blowers shake Salivation gingivitis: excessive salivation associated with metallic taste, gingivitis, loosening of teeth and blue-black line on gums.Also, knowDifferent Metallic Poisoning and Their Effect on Hair And SkinPoisoningColor of Hair SkinArsenic As Yellow color of skin, hair mucous membrane Milk rose Brownish pigmentationRain drop pigmentation BLACK FOOT DISEASECopper Cu Jaundiced skin Green-blue skin, hair perspiration Green - purple line on gumsMercury Hg Blue-black line on gums with jaw necrosis and loosening of a tooth Brown deposits on anterior lens capsule mercurial lentils Acrodynia pink diseaseLead Pb Blue stippled Burtonian line on gums, especially on the upper jaw.Other Features of Mercury PoisoningProximal Convoluted Tubule necrosis Prevalence of abortions are common Minimata disease is an organic mercury poisoning due to consumption of fish poisoned by mercury. 