Reaction to certain medications. 1  Environmental irritants. 2  Poor oral hygiene. 3  Tobacco exposure or alcohol consumption. 4  Candida yeast infection (Oral Thrush) 5  Tongue inflammation, such as Glossitis. 6  Spicy foods such as habanero and jalapeÃ±o peppers contain compounds in the peppers that are correlated with white tongue.
Heroin (diacetylmorphine) is used for treatment of severe acute pain (such as severe acute pain due to myocardial infarction or heart attack, end stage cancer pain, post surgical pain, terminal illnesses etc.) in some countries (such as United Kingdom), as strong analgesic.
Narcotics are the oldest, and the strongest, analgesics (pain-relieving) drugs known to mankind. In ancient Sumer and Egypt, medical texts detailing the use of the opium poppy to treat coughs, insomnia and pain date as far back as 4000 B.C.E.arcotics are used as analgesics for pain control, such as after oral surgery, for severe menstrual cramps, or for temporary pain relief in other outpatient surgical procedures. Intravenous narcotics are also used for palliative care in relieving pain of patients diagnosed with terminal cancer.