Injuries and poisonings

If iodine is taken orally, it will cause damage to the mucosa of the digestive tract.

Bone exostosis (from the Greek exo, "something outside or beyond" and the suffix -osis, which in medicine means a pathologic condition or process) is defined as a benign outgrowth of bone tissue extending outward or over an existing bone.

Exposure to acetone vapors causes irritation and swelling of the nasopharynx, resulting in shortness of breath and difficulty breathing.

Human damage by ammonia is possible if the substance got on mucous membranes or skin, penetrated into the GI tract.