The analgesic effect of opioids may be inhibited by ginseng.- J Clin Pharm Ther 2002 Dec;27(6):391-401 -- Herbal medication: potential for adverse interactions with analgesic drugs. -- Abebe W. Report describes the case of a 32-year-old woman who suffered a phototoxic reaction after taking a dietary supplement containing ginseng, goldenseal, bee pollen, and other ingredients.