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In brief: Sciatic pain. Yes. Ice is an excellent anti-inflammatory option. Try alternating moist heat to relax muscles and ice to reduce swelling. Physical therapy and stretching exercises are important additions to reduce the pain and prevent recurrence of the pain.
Pagophagia is the compulsive consumption of ice or iced drinks. It is a form of the disorder pica. It has been associated with iron deficiency anemia, and shown to respond to iron supplementation, leading some investigators to postulate that some forms of pica may be the result of nutritional deficiency. Chewing ice may lessen pain in glossitis related to iron deficiency anemia.