The abuse potential and dependence liability of opioid drugs have long been recognized. By the end of the 19th century, many health professionals recognized that chronic use of morphine leads to dependence. In 1914, legal use of opioids in the United States was restricted and only made available by prescription . Within a few years, increasing numbers of people were using opioids obtained illicitly (eg, heroin). Since that time, most research efforts and treatment studies have concentrated on illicit opioid (primarily heroin) abuse and dependence, from the characterization of opioid receptors and second messengers to implementation of pharmacological treatments for opioid-dependent individuals. You have a great opportunity to find flovent for asthma to feel one lucky customer.
Misuse of other opioids (ie, prescription and over-the-counter) may be far more common than usually recognized. All opioids have pharmacological effects associated with abuse and dependence liability, and the wide availability of oral opioids may result in significant problems of abuse in the population . While many studies examine heroin users, characterizing their demographics, drug use, psychiatric comorbidity, lifestyles, treatment and long term prognosis , surprisingly few studies have attempted to determine the characteristics of individuals abusing or dependent on oral opioids. This lack of interest regarding oral opioid abuse and dependence may reflect that these compounds are important drugs for analgesia of chronic pain not responsive to nonopioid treatment and that loss of control over opioid use rarely results from prescribing opioids for the pain of terminal illness or the treatment of acute pain . Analgesic compounds containing acetylsalicylic acid or acetaminophen, caffeine and codeine (eg, Tylenol #1 and Tylenol #3, McNeil Consumer Products; 292s, Frosst) are frequently used for the suppression of pain. In Canada, oral codeine can be obtained without prescription in combination products, as long as the amount of codeine does not exceed 8 mg per tablet (eg, Tylenol #1). Products containing more than 8 mg of codeine (eg, Tylenol #3, 292s), as well as other opioid compounds (eg, hy-drocodone), are only available with a physician’s prescription.