Try to avoid

Try to avoid anything with coffee flavor, mint, camphor, menthol,large quantities of caffeine, or chamomile externally or internally. For example: avoid mint flavored toothpastes, chewing gums, and mouthwashes (mint and menthol); menthol lozenges and candies; coffee, even decaffeinated or coffee flavored ice cream or candies. If you must have caffeine get it from tea or caffinated soda. Avoid Noxema products and Tiger Balm (camphor); etc. Try also to avoid very strong aromatics or toxic odors like eucalyptus, wintergreen, peppermint, essential oils like patchouli, strong perfumes, strong after-shave and soap, smelly chemicals, moth-balls.