The symptoms of dizziness after eating conch may be caused by food allergy, or it may be poisoning due to ignorance or misuse of inedible parts of conch, which requires targeted treatment after clarification of the cause: 1. Severely allergic people may develop laryngeal edema and anaphylactic shock, which can be life-threatening, so they should go to the hospital promptly for anti-allergy treatment. 2. Food poisoning: There are two yellow rice-like things on the head of conch, which are generally called conch brain and secrete a kind of neurotoxin, which may cause dizziness and nausea after consumption. In case of food poisoning, it is recommended to go to the hospital for gastric lavage, enema and antitoxin treatment to avoid deterioration of the situation.