Allergist evaluates. Garlic allergy can occur as a skin allergy, in which case wearing non-latex gloves when cooking should prevent reactions. Allergic reactions from eating garlic (or other foods) can vary in severity. Anaphylactic (rapidly progressing severe reactions) reactions need treatment with Epipen (epinephrine) self-injections. An allergist can look for what truly is causing the allergy, and see if treatment is available.