•Potential for dependence and misuse
•Dangerously slow breathing (respiratory depression)
•Risk of accidental overdose
•Harm to newborn babies
•Serious medication interactions
•Difficulty concentrating and extreme sleepiness
•Liver damage
•Severe allergic and skin reactions
•Seizures
•Low blood pressure
•Low adrenal hormone levels
•Caution in certain medical conditions
•Withdrawal