The following is based on an article which appeared on ChristiaNet
Chocolate allergies may cause asthma symptoms in susceptible people.. Some of the ingredients used include soy lecithin, phenyl-ethylamine, nuts, theo-bromine, and dyes.
Chocolate allergy symptoms may include anxiety and difficulty breathing due to inflammation of the airway, Treatments include antihistamines, bronchodilators and corticosteroids. The treatment largely depends upon the severity of the symptoms or reaction to the allergen. Avoidance will help to prevent the reaction and discomfort.
Just thought you would like to know.