Many search for m367 pill identifier for various reasons. Some people are concerned if the M367 white oval pill they’ve found is real or  counterfeit. Others may be worried after finding white pill with M367 in their loved one’s possession, wondering if they are misusing or abusing it.

What is M367 pill?

The M367 pill is a white, oval tablet imprinted with M367 on one side. Manufactured by Mallinckrodt Pharmaceuticals, it contains 325 mg of acetaminophen and 10 mg of hydrocodone bitartrate. Hydrocodone, a potent opioid, and acetaminophen, commonly known as Tylenol, work together to manage moderate to severe pain. The combination, also referred to as Norco 10/325, Lortab, or Vicodin.

M367 is a narcotic pain medicine may be habit-forming, even at regular doses. It is classified as a Schedule II controlled substance.

People often search for or refer to the M367 pill using terms like:

  • M367 Hydrocodone Tylenol Pill
  • M367 Norco
  • White oblong M367
  • M367 10/325
  • M367 Hydrocodone-Acetaminophen 10/325

How to Identify M367 Pill?

You can identify an M367 pill by its appearance—it’s a white, oval tablet with “M367” stamped on one side and a line on the other for splitting. Misuse often involves crushing the pill for snorting or injection, making it difficult to distinguish from other substances.
On the street, M367 is known by names like Norco 10, Vikes, Hydro 10, Hydros, Tabs, and Loris.

Brand names of of M367

Although the M367 pill is a generic formulation, the combination of hydrocodone and acetaminophen is also marketed under various brand names, including:

  • Norco
  • Vicodin
  • Lortab
  • Hycet

M367 White Oblong Pill Used For:

The M367 pill is typically prescribed to manage pain conditions such as:

  • Chronic pain (e.g., arthritis, lower back pain)
  • Injury-related pain
  • Post-operative pain
  • Cancer pain management

How M367 Pill Makes You Feel?

M367 white oval pill may create pain relief, relaxation, and mild euphoria, but it can also trigger erratic behavior, drowsiness, and intense sedation. At high doses, the risk of respiratory depression is severe and can slow or stop breathing entirely​. Long-term use increases sensitivity to pain, known as opioid-induced hyperalgesia, where pain feels even worse over time.

What Are the Side Effects of White Pill with M367?

Typical side effects of the M367 pill include:

  • Sweating and Hot Flashes: Sudden, intense sweating or feeling overheated.
  • Itching: A common side effect of hydrocodone M367, which may signal an allergic reaction.
  • Headaches: Persistent or severe headaches after taking the M367 white pill.
  • Allergic Reactions: Difficulty breathing, hives, swelling of the face, throat, or tongue. Stop taking M367 pill and call your doctor right away if you have skin redness or a rash that spreads and causes blistering an
  • Gastrointestinal Issues: Severe nausea, vomiting, and constipation, which can lead to bowel blockages if not managed properly.

How Does M367 Pill Affect Your Heart?

Prolonged use of the M367 white oblong pill can cause serious cardiovascular issues, such as:

  • Irregular Heartbeats (Arrhythmias): Some users report that the M367 white long pill causes their heart to skip beats or flutter.
  • QT Prolongation: The M367 white oval pill can disrupt the heart’s electrical activity, increasing the risk of dangerous arrhythmias.
  • Low Blood Pressure (Hypotension): Taking white pill M367 can cause a significant drop in blood pressure, resulting in dizziness or fainting.
  • Slow Heart Rate (Bradycardia): Users of the M367 white oval Norco may experience a slowed heart rate, leading to fatigue and weakness.

Long-Term Effects of M367 White Oval Pill

  • GI Tract Issues:Prolonged use of the M367 pill can cause abdominal pain, cramps, vomiting, and severe constipation, potentially leading to bowel obstruction.

Bowel obstruction, a potentially life-threatening condition, can also occur as a result of opioid abuse.

  • Mental Health Issues: Regular use of hydrocodone M367 alters brain chemistry, increasing the risk of depression, anxiety, and mood swings.

Risks and Dangers of M367 Pill

Risks of Hydrocodone
Hydrocodone binds to opioid receptors, suppressing pain and slowing the nervous system. High doses can cause severe respiratory depression, making it hard for the lungs to get oxygen. Misuse can lead to slowed or stopped breathing, which is life-threatening. Never exceed the prescribed dose.

Liver Toxicity and Overdose Risk
Each M367 pill has 325 mg of acetaminophen, which raises the risk of liver toxicity if taken in excess or with alcohol. Exceeding 4,000 mg daily can cause acute liver failure or death.

Signs of M367 Pill Overdose
If you suspect an overdose, immediate medical attention is essential. Key signs include:

  • Slowed or stopped breathing
  • Severe drowsiness or unresponsiveness
  • Cold, clammy skin
  • Pinpoint pupils

Administer naloxone if available and call emergency services right away. Even if the person appears to recover, professional medical assistance is still necessary.

Can You Overdose On Tylenol While Taking M367 Pill?

Overdosing on Tylenol (acetaminophen) while trying to achieve the desired effects of hydrocodone is a real possibility. Symptoms of an Tylenol overdose may include general weakness, abdominal pain, nausea, and jaundice (yellowing of the skin or eyes). The most alarming consequence is the risk of fatal liver damage, known as hepatic necrosis, which can lead to organ failure.

M367 Addiction and Dependence

Research indicates that even when hydrocodone is taken as prescribed, continuous use can lead to both physical and psychological dependence. The development of such dependence is marked by the body’s adaptive response, where withdrawal symptoms emerge upon discontinuation—an indicator of an established dependency (National Institute on Drug Abuse, 2024; Mayo Clinic, 2024).

Dependence on M367 can begin within a few weeks, especially when higher dosages or more frequent usage is involved. According to clinical data, opioids like hydrocodone trigger changes in brain chemistry, affecting neurotransmitter function and reinforcing compulsive behavior associated with addiction (Substance Abuse and Mental Health Services Administration, 2024). This dependency is often characterized by symptoms such as increased tolerance, cravings, and an inability to control usage despite negative consequences.

The onset and progression of dependence can vary significantly among individuals, influenced by factors such as genetic predisposition, metabolic differences, and overall physical and mental health. Studies have shown that genetic variants related to opioid receptors can predispose certain individuals to a higher risk of dependence (PubMed, 2024). These complexities underscore the critical need for medical oversight when using M367 and similar medications, to mitigate risks and monitor for signs of emerging dependency (CDC, 2024).

The broader societal implications of hydrocodone dependence include increased risks of misuse, transition to stronger opioids, and potential overdose. Data from the Centers for Disease Control and Prevention (CDC) highlight that prescription opioid misuse remains a significant contributor to the ongoing opioid crisis, with hydrocodone frequently cited as a factor in cases of addiction and overdose (CDC, 2024).

M367 Withdrawal Symptoms:

When an individual stops taking M367, they may experience a range of withdrawal symptoms, including:

  • Restlessness
  • Insomnia
  • Muscle cramps
  • Fatigue
  • Irregular heartbeat
  • Intense drug cravings

Withdrawal from Hydrocodone 10 mg can begin a few hours to several days after the last dose, depending on the individual’s usage pattern and duration. While M367 withdrawal is generally not fatal, it can be extremely challenging and uncomfortable, posing a significant hurdle in the recovery process.

Similar Strength Pills to M367

The M367 pill is a widely recognized medication that contains 10 mg of hydrocodone and 325 mg of acetaminophen, used for managing moderate to severe pain. Several other pills share the same strength and active ingredients, manufactured by different pharmaceutical companies. Here’s a list of similar pills:

Pill Name Imprint Color Shape Strength Pharmaceutical Company
M367 M367 White Oval 10 mg hydrocodone / 325 mg acetaminophen Mallinckrodt Pharmaceuticals
IP 110 IP 110 White Oval 10 mg hydrocodone / 325 mg acetaminophen Amneal Pharmaceuticals
Norco NORCO 539 Yellow Oval 10 mg hydrocodone / 325 mg acetaminophen AbbVie Inc.
Vicodin VICODIN White Oval 10 mg hydrocodone / 325 mg acetaminophen AbbVie Inc.
G036 G036 White Oval 10 mg hydrocodone / 325 mg acetaminophen Tris Pharma Inc.
U02 U02 White Oval 10 mg hydrocodone / 325 mg acetaminophen Aurolife Pharmaceuticals

IP 110, Vicodin, g036, U02, Norco 539 all share similar formulations and have same strength with the M367 pill. Always consult with a healthcare professional before starting or switching medications.

Additional Imprints
Watson 913: This is a different strength (5 mg), but it’s worth noting as it is often confused with higher strengths.
Other variations of Norco and Vicodin may exist, but the above list focuses on those specifically at the 10/325 strength.

Counterfeit M367 Norco Pills

Counterfeit M367 pills, similar to Norco, were found to contain fentanyl, promethazine, and traces of cocaine during a 2016 outbreak reported by the California Poison Control Center. Fentanyl and promethazine, both potent drugs, significantly increase overdose risk, while cocaine further amplifies the danger. These reports underscore the deadly risks of counterfeit medications, which often contain unexpected and lethal substances.

Learn: The Crisis of Blues Drug and Counterfeit Opioids

G037 vs. M367: Discontinued Pills and Counterfeit Risks

The G037 pill, often compared to the M367 pill, was previously identified as Lortab. However, Lortab in pill form has been discontinued in the United States. Any G037 pill sold online or in circulation is likely counterfeit or expired. While the liquid form of Lortab is still available by prescription, consumers should be cautious. Pills marketed as Lortab are often fake, posing significant health risks. Always verify medications through a healthcare provider to ensure safety.

How to Stop Taking Pain Pills Like M367

When you take opioid Hydrocodone for a long time, your body can become dependent on it, meaning you might need more to get the same effect, and stopping suddenly can lead to withdrawal symptoms. But, if you have ongoing pain, don’t let the fear of dependence stop you from using it as prescribed. Addiction is less likely when taken for pain relief under medical supervision. To prevent withdrawal, the dose should be gradually reduced instead of stopping abruptly.

To safely taper off M367, it’s crucial to follow a tapering plan under the guidance of a healthcare professional. Additionally, consider seeking medical detox or counseling services.

How Long Does the M367 Pill Stay in Your System?

M367 white oval pill typically starts working within 30 to 60 minutes and provides pain relief for about 4 to 6 hours. However, its ingredients can be detected in your system long after the effects wear off. Hydrocodone may remain in urine for up to 4 days, in blood for 24 hours, in saliva, and in hair for up to 90 days.

Get Help For Hydrocodone Addiction

Opioid addiction can quickly escalate from legitimate use to dependence as tolerance builds. Medications like M367, Norco, Vicodin, Lortab, and Lorcet are prescribed for pain but can lead to physical dependence with prolonged use. Increased dosages are needed over time, driving addiction. If you or a loved one is experiencing dependence on these medications, seek help immediately. Contact Still Detox in Boca Raton, Florida, at (561) 556-2677