Reactions that may be seen with strong iodine solution include symptoms of iodism (excessive amounts of iodine in the body), which are a metallic taste in the mouth, swelling and soreness of the parotid glands, burning of the mouth and throat, sore teeth and gums, symptoms of a head cold, and occasionally gastrointestinal upset. Allergy to iodine may also be seen and can be serious. Symptoms of iodine allergy include swelling of parts of the face and body, fever, joint pains, and sometimes difficulty in breathing. Difficulty breathing requires immediate medical attention.
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