The pill imprinted with “IP 204” is a combination prescription pain medication containing Oxycodone Hydrochloride (10 mg) and Acetaminophen (325 mg). It is a generic formulation equivalent to brand-name medications such as Percocet (10/325 mg) and Endocet.
Classified as a Schedule II Controlled Substance in the United States, this drug carries a high potential for abuse, addiction, physical dependence, and overdose.
Pill Identification
Attribute – Visual / Technical Details
- Imprint – IP 204 (debossed on one side)
- Active Ingredients – Oxycodone Hydrochloride (10 mg) / Acetaminophen (325 mg)
- Strength Class – 10 mg / 325 mg
- Color – White
- Shape – Oval
- Manufacturer – Amneal Pharmaceuticals LLC
- Drug Class – Opioid Analgesic / Non-Opioid Analgesic Combination
- Controlled Status – Schedule II (C-II) Controlled Substance
Mechanism of Action
The IP 204 tablet uses a dual-action pharmacological approach to manage pain:
- Oxycodone Hydrochloride: A semi-synthetic opioid agonist that binds primary to mu-opioid receptors in the central nervous system (CNS). This binding alters the perception of and emotional response to pain while inhibiting pain signal transmission in the spinal cord. It also stimulates reward pathways, generating feelings of euphoria or relaxation.
- Acetaminophen (APAP): A non-opioid analgesic and antipyretic. It acts primarily by inhibiting prostaglandin synthesis in the CNS and raising the overall pain threshold. When combined with oxycodone, acetaminophen produces an additive analgesic effect, enabling stronger pain relief at lower individual opioid doses.
Dosing and Administration
- Dosing must be strictly tailored by a prescribing physician to match the patient’s acute pain levels, prior opioid tolerance, and hepatic function.
- Indications: Management of moderate to severe acute pain when alternative non-opioid treatments are inadequate or not tolerated.
- Standard Adult Dosing: Typically 1 tablet every 4 to 6 hours as needed for pain.
- Maximum Acetaminophen Threshold: Patients must not exceed 4,000 mg of acetaminophen per day from all combined sources (prescriptions and over the counter drugs). In individuals with pre-existing liver conditions, doctors frequently set a lower daily limit (e.g., 2,000–3,000 mg).
- Administration Rules: Tablets must be swallowed whole. Crushing, chewing, breaking, or dissolving IP 204 tablets is extremely dangerous and can lead to rapid, uncontrolled drug release resulting in a fatal overdose.
Side Effects
Common Side Effects
- Drowsiness, sedation, or lightheadedness
- Nausea, vomiting, and loss of appetite
- Constipation (often requires a stool softener or laxative during treatment)
- Dizziness, mental clouding, or confusion
- Dry mouth and sweating
Severe Side Effects (Requires Immediate Emergency Medical Attention)
- Severe Respiratory Depression: Abnormally slow, shallow, or irregular breathing, which can lead to hypoxia, coma, or death.
- Hepatotoxicity (Liver Toxicity): Severe liver damage caused by acetaminophen overdose. Symptoms include jaundice (yellowing of eyes/skin), severe right-upper abdominal pain, dark urine, and confusion.
- Severe Hypotension: Dangerous drops in blood pressure resulting in fainting or collapse.
- Adrenal Insufficiency: Long-term use can cause fatigue, weakness, dizziness, and low blood pressure.
- Severe Allergic Reactions (Anaphylaxis): Hives, facial/throat swelling, difficulty breathing, or severe skin peeling/blistering.
Precautions and Drug Interactions
Essential Precautions
- Central Nervous System Depressants: Combining IP 204 with alcohol, benzodiazepines (e.g., Xanax, Valium), sleep medications, or other opioids dramatically increases the risk of profound sedation, respiratory depression, coma, and death.
- Accidental Acetaminophen Overdose: Always check other prescription and over-the-counter medications (cough/cold syrups, allergy formulas, extra-strength pain relievers) to ensure they do not contain acetaminophen.
- Tolerance and Dependence: Chronic use leads to physical dependence. Stopping the drug abruptly after extended use causes severe opioid withdrawal (chills, severe abdominal cramps, body aches, tremors, anxiety, diarrhea).
Significant Drug Interactions
- Alcohol: Absolute contraindication; significantly heightens respiratory depression risk and hepatic toxicity.
- Serotonergic Drugs (SSRIs, SNRIs, MAOIs): Combining with antidepressants can induce Serotonin Syndrome, a potentially life-threatening reaction marked by high fever, muscle rigidity, and seizures.
- CYP3A4 and CYP2D6 Inhibitors/Inducers: Drugs like ketoconazole, erythromycin, or rifampin alter how fast oxycodone breaks down in the liver, leading to toxic drug buildup or reduced efficacy.
Warnings and Boxed Warnings
- BLACK BOX WARNINGS SUMMARY:
- Addiction, Abuse, and Misuse: IP 204 exposes users to the risks of opioid addiction and abuse, which can lead to overdose and death.
- Life-Threatening Respiratory Depression: Serious, life-threatening, or fatal respiratory depression may occur, particularly during initiation or following a dose increase.
- Accidental Ingestion: Accidental consumption by anyone – especially children – can result in a fatal overdose of oxycodone.
- Neonatal Opioid Withdrawal Syndrome (NOWS): Prolonged use of IP 204 during pregnancy can cause life-threatening withdrawal in the newborn.
- Hepatotoxicity: Acetaminophen has been associated with cases of acute liver failure, sometimes resulting in liver transplant or death. >
Counterfeit Warning
Because IP 204 is a highly sought-after strength (10/325 mg), counterfeit versions of IP 204 are widespread on the illicit market. Counterfeit pills pressed with fake imprints frequently contain lethal amounts of illicit fentanyl. Never consume pills obtained outside of a licensed, verified pharmacy.