⚠️ Medical Disclaimer
This article is for informational purposes only. Always consult a healthcare provider before taking any medication.
What Is the M366 Pill?
The M366 pill is a white, oval-shaped tablet imprinted with “M366,” identified as Acetaminophen and Hydrocodone Bitartrate 325 mg / 7.5 mg. This combination medication is used to relieve moderate to moderately severe pain. It combines an opioid analgesic (hydrocodone) with a non-opioid pain reliever (acetaminophen).
M366 Pill Identification
| Attribute | Details |
|---|---|
| Imprint | M366 |
| Color | White |
| Shape | Oval |
| Strength | 325 mg Acetaminophen / 7.5 mg Hydrocodone |
| Size | 15.00 mm |
| Drug Class | Narcotic analgesic combinations |
| Controlled Substance Schedule | Schedule II (High potential for abuse) |
| Manufacturer | Mallinckrodt Pharmaceuticals |
Active and Inactive Ingredients
Active Ingredients:
-
Hydrocodone Bitartrate 7.5 mg: An opioid pain reliever that works by altering the way the brain and nervous system respond to pain.
-
Acetaminophen 325 mg: A non-opioid pain reliever and fever reducer that enhances the effects of hydrocodone.
Inactive Ingredients:
-
Magnesium stearate
-
Microcrystalline cellulose
-
Corn starch
-
Silicon dioxide
-
Stearic acid Mayo Clinic+3Drugs.com+3Wellness Retreat Recovery+3
Uses of the M366 Pill
The M366 pill is prescribed for the management of pain severe enough to require an opioid analgesic and for which alternative treatments are inadequate. It is commonly used to treat:
-
Back pain
-
Arthritis
-
Injury-related pain
-
Post-surgical pain
-
Chronic pain conditions DailyMed+14WebMD+14St. Luke’s – Home+14WebMD+2Asana Recovery+2Wikipedia+2Wikipedia+3Wikipedia+3DailyMed+3Renaissance Recovery+1Gratitude Lodge+1
Dosage Information
The dosage of the M366 pill should be individualized based on patient needs and response. It is typically prescribed to be taken every 4 to 6 hours as needed for pain. However, the total daily dose should not exceed the prescribed amount to avoid the risk of overdose or addiction. DailyMed+1Renaissance Recovery+1Renaissance Recovery
Side Effects and Warnings
Common Side Effects:
-
Drowsiness
-
Dizziness
-
Nausea
-
Vomiting
-
Constipation
-
Headache
-
Dry mouth
-
Lightheadedness Drugs.com+16Cleveland Clinic+16St. Luke’s – Home+16St. Luke’s – HomeCleveland Clinic+2Medical News Today+2St. Luke’s – Home+2Medical News Today+2Mayo Clinic+2Cleveland Clinic+2Mayo Clinic+1Medical News Today+1
Serious Side Effects:
-
Slow or shallow breathing
-
Severe drowsiness or difficulty waking up
-
Liver damage (especially with excessive acetaminophen use)
-
Allergic reactions (rash, itching, swelling)
-
Adrenal gland suppression Cleveland Clinic+1DailyMed+1DailyMed+1Wikipedia+1
If you experience any severe side effects, seek immediate medical attention. Medical News Today+5Mayo Clinic+5Cleveland Clinic+5
Precautions and Interactions
-
Alcohol: Avoid alcohol while taking the M366 pill, as it can increase the risk of liver damage and enhance the sedative effects of hydrocodone.
-
Other Medications: Inform your doctor about all other medications you are taking, including over-the-counter drugs and herbal supplements, to prevent dangerous interactions.
-
Driving and Operating Machinery: This medication may impair your ability to perform tasks requiring alertness. Do not drive or operate heavy machinery until you know how the medication affects you.
-
Pregnancy and Breastfeeding: Use during pregnancy may harm the fetus, and hydrocodone can pass into breast milk. Consult your healthcare provider before use. Gratitude LodgeDailyMedWikipedia
Frequently Asked Questions (FAQs) 
Q1: Can I take two M366 pills at once?
A1: Only take the dosage prescribed by your healthcare provider. Do not exceed the recommended dose, as it increases the risk of serious side effects, including overdose and liver damage.
Q2: Is the M366 pill the same as Norco?
A2: Yes, the M366 pill contains the same active ingredients as Norco 7.5/325 mg. However, it may differ in appearance and inactive ingredients.
Q3: What should I do if I miss a dose?
A3: If you miss a dose, take it as soon as you remember. If it’s almost time for your next dose, skip the missed dose. Do not double up to make up for a missed dose.
Q4: How should I store the M366 pill?
A4: Store at room temperature between 15 and 30 degrees C (59 and 86 degrees F). Keep out of reach of children and pets. Cleveland Clinic
Final Thoughts
The M366 pill is an effective medication for managing moderate to moderately severe pain. However, due to its potential for abuse and serious side effects, it should be used strictly as prescribed. Always consult your healthcare provider with any questions or concerns regarding this medication. Wellness Retreat Recovery
Related Articles
1 thought on “What Is the M366 Pill? Hydrocodone Acetaminophen 7.5/325 Uses & Risks”