Headache Be Gone! A Tea Mistress Organic Herbal Blend. Organic Ingredients: feverfew, chamomile, passionflower, meadowsweet, peppermint, lemon balm, linden, white willow bark, coriander. (loose) Price: $5 per ounce. Caution: Do not use feverfew if allergic to ragweed. Do not use meadowsweet or white willow bark if you are allergic to salicylate or aspirin. Do not administer to children or teens who have a viral infection.