In recent years, Percocet (oxycodone/paracetamol) has experienced a meteoric rise to prominence because of the presence of conspicuous references in pop culture and the ever-evolving hip-hop scene,1 so much so that even propafenone is being mislabeled as the agent.2 It is of utmost importance for clinicians to be made aware of the adverse effects and the treatment protocols associated with Percocet as well as propafenone.
Propafenone is identified as a class 1C antiarrhythmic with adverse effects associated with that particular class of drugs (e.g., generalized tonic-clonic seizures coupled with widened QRS complex), however, Percocet’s toxidrome is the product of the opioid/nonopioid (in the form of oxycodone/acetaminophen) components found within the formulation. Percocet is often recreationally used with MDMA (“molly”) or ecstasy as popularized by the lyrics of “Mask Off” by Future (“Percocets, Molly, Percocets”).3,4
Addressing the challenge of imitation Percocet pills
Differentiating the untoward effects of Percocet and propafenone isn’t too challenging because the agents belong to separate classes – the problem is the use of deceitful labels on propafenone with both medications sporting the “512 imprint” on their respective pills. Initial symptoms of propafenone ingestion may include weakness and dizziness followed by seizures.5As an emergent situation, the patient should be immediately treated with a sodium bicarbonate infusion to effectively reverse the sodium channel blockade associated with the widened QRS.
However, a more likely scenario is that of Percocet counterfeit pills designed to illicitly emulate the properties of officially marketed Percocet. As expected, Percocet overdose management will require that the clinician be familiar with treating general opioid toxicity (in this case, derived from the oxycodone component), in particular respiratory or CNS depression. Symptoms of opioid overdose also include the loss of consciousness with pupillary miosis. Therapy entails the use of naloxone and/or mechanical ventilation for respiratory support. The patient can also exhibit cardiovascular compromise. If further information is elicited during a patient interview, it may reveal a history of drug procurement from the streets.
Epidemiologists from Georgia collaborated with the state’s department of public health’s office of emergency services, forensic experts, and drug enforcement professionals to evaluate almost 40 cases of counterfeit Percocet overdoses during the period spanning the second week of June 2017. Of these cases, a cluster triad was identified consisting of general opioid toxicity symptoms (for example, CNS or respiratory depression with concomitant pupillary constriction, a history of drug procurement, and a history of ingesting only one or two pills with rapid deterioration.6 Unfortunately, the screening process is often hindered by the fact that synthetic opioids such as Percocet are not readily identified on urine drug screens (UDS).
Despite shortcomings in assessment procedures, a UDS will yield positive results for multiple drugs, a feature that is common to seasoned opioid users and serves as an instrumental diagnostic clue in the investigative process. To address the crisis and prevent further spread, numerous Georgia agencies (e.g., drug trafficking and legal authorities) worked with the health care community to expediently identify cases of interest and bring forth public awareness concerning the ongoing perils of counterfeit drug intake. Future investigations might benefit from the implementation of DNA-verified UDS, because those screens are versatile enough to detect the presence of synthetic urine substitutes within the context of opioid use.7,8 Moreover, an expanded panel could be tailored to provide coverage for semisynthetics, including hydrocodone, oxycodone, hydromorphone, and oxymorphone.9
As a well-received painkiller from the opioid family, Percocet derives its analgesic properties from the fast-acting oxycodone; hepatic failure is also possible from Percocet (because of the acetaminophen component) or counterfeit Percocet overdose but is less common unless the Tylenol content approaches 4 grams. By binding to the brain’s opiate receptors, Percocet modulates pain pathways leading to a dulling of pain sensation along with euphoria, which is particularly attractive to drug seekers. Chronic Percocet use corresponds with a myriad of psychological and physical consequences, and the Drug Enforcement Administration recognizes oxycodone as a Schedule II drug.
A chronic Percocet user may try to disrupt the cycle of symptoms by abruptly ceasing use of the offending agent. This can precipitate the development of classical opioid-based withdrawal symptoms, including but not limited to nausea, vomiting, irritability, tachycardia, body aches, and episodes of cold sweats. Physicians have noted that misuse (i.e., deviations from intended prescribed) might include crushing and snorting as well as “doctor-shopping” behaviors for a continuous supply of Percocet.