water retention: bilberry, black currant, dandelion leaf, juniper berries, motherwort, partridgeberry, uva ursi

weakness: see fatigue

weaning: see lactation

withdrawals: evening primrose oil, black currant, borage

worms: see anti-parasitic

wounds (severe): xia ku cao (selfheal flower spikes, prunella vulgaris), calendula, comfrey, melissa (lemon balm), rose oil, mullein flower, chickweed, goldenseal, gotu kola, jin yin, marshmallow, plantain, oregano, rue, sage, vervain, white oak