To keep the symptom picture as clear as possible and to encourage the remedies to do their best work, these are the obstacles to cure and remedy antidotes that you must watch for and avoid: Coffee, all mints (peppermint, spearmint, winter mint, etc.) Menthol (skin creams, mouthwash, throat lozenges, etc.) Camphor (ointments, cough drops, cleaning supplies, etc.), all essential oils except for the citrus oils (orange, lemon, lime, grapefruit), wine and all alcoholic beverages, hot and highly spiced foods and herbal supplements, and over the counter medications.