L484 Pill EXPLAINED: Acetaminophen 500mg Uses, Risks, Dosage & Pain Relief Facts [2025]
⚠️ Medical Disclaimer: This article is for informational purposes only and does not substitute professional medical advice. Always consult your doctor before starting or changing any medication.
What is the L484 pill white?
The L484 pill is an over-the-counter (OTC) white, capsule-shaped tablet marked on one side. It contains:
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Acetaminophen 500 mg — the active ingredient in Tylenol Extra Strength
Imprint: L484
Color: White
Shape: Oblong/capsule
Category: Non-opioid analgesic (pain reliever) + antipyretic (fever reducer)
Brand Equivalent: Tylenol Extra Strength
What Does L484 Treat?
The L484 pill is designed for fast and effective relief from:
| Condition | Relief? |
|---|---|
| Headache | ✅ Excellent |
| Muscle aches | ✅ Effective |
| Menstrual cramps | ✅ Strong relief |
| Toothache | ✅ Short-term relief |
| Arthritis | ⚠️ Temporary only |
| Fever | ✅ Yes |
| Inflammation | ❌ No (not anti-inflammatory) |
How Acetaminophen Works
L484 works by:
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Blocking prostaglandin production in the brain
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Reducing pain signals and fever response
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Not acting on inflammation, unlike NSAIDs
It’s gentler on the stomach than ibuprofen or aspirin — a reason it’s widely used in the elderly and those with ulcers or GERD.
Dosage Guidelines for L484 White Pill
| Group | Dose | Frequency | Max Per Day |
|---|---|---|---|
| Adults | 1–2 tablets | Every 6 hours | 4000 mg (8 tablets) |
| Seniors (65+) | 1 tablet | Every 6–8 hours | 3000–4000 mg |
| Children (<12) | ❌ Not advised | Use pediatric formula |
Overdose Risk & Liver Damage
One of the biggest dangers of L484 is unintentional overdose — often due to multiple medications containing acetaminophen (e.g., NyQuil, Theraflu).
❗ Signs of Overdose:
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Loss of appetite
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Nausea, vomiting
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Upper stomach pain
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Yellowing of skin/eyes
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Confusion or fainting
Call Poison Control immediately: 1-800-222-1222
Acetaminophen vs Other Painkillers
| Feature | (Acetaminophen) | Ibuprofen | Aspirin | L434 (Tylenol PM) |
|---|---|---|---|---|
| Fever | ✅ Yes | ✅ Yes | ✅ Yes | ✅ Yes |
| Pain | ✅ Strong | ✅ Strong | ✅ Mild-Moderate | ✅ With sedative |
| Inflammation | ❌ No | ✅ Yes | ✅ Yes | ❌ No |
| Stomach Safety | ✅ High | ❌ Moderate risk | ❌ Ulcer risk | ✅ |
| Sedating? | ❌ No | ❌ No | ❌ No | ✅ Yes |
| OTC | ✅ | ✅ | ✅ | ✅ |
Use L484 for general pain/fever. For inflammation, ibuprofen or naproxen may be better.
When to Take
| Time | Use Case |
|---|---|
| Morning | Headache, period pain, post-exercise soreness |
| Afternoon | Fever, toothache, minor injury |
| Night | Only if sleep isn’t affected – otherwise use L434 (Tylenol PM) |
L484 Pill FAQs
❓ Is L484 a narcotic?
❌ No. It is a non-opioid, non-addictive medication.
❓ Can I take L484 every day?
⚠️ Occasional use = safe.
Long-term daily use (over weeks) may stress your liver.
❓ Is L484 the same as Tylenol?
✅ Yes. It’s a generic version of Tylenol Extra Strength (500mg acetaminophen).
❓ Can I take it with food?
✅ Yes. it does not irritate the stomach.
❓ Can pregnant women use?
✅ Generally considered safe, but always ask your OB-GYN.
Chemical Profile
| Property | Value |
|---|---|
| Active Ingredient | Acetaminophen 500 mg |
| Chemical Name | N-acetyl-p-aminophenol |
| Drug Class | Analgesic/Antipyretic |
| Onset Time | 15–30 minutes |
| Peak Effect | 1 hour |
| Duration | 4–6 hours |
| Metabolism Site | Liver (CYP enzymes) |
Pharmacist’s Insights
“Acetaminophen is one of the safest painkillers — as long as it’s used within the dose limit. We see liver cases every year from people who mixed cold meds or took 10+ pills daily.”
— Dr. Karen M., PharmD, NYC
Real-Life Usage Scenarios
Migraines
Pop 1 tablet
with water, lie down for 30 mins, relief kicks in without drowsiness.
Period Pain
2 tablets in the morning + heat pad = full 6–8 hour relief.
Cold/Flu Fever
Take 1 tablet every 6 hours — don’t exceed 8 per day. Combine with fluids and rest.
Where to Buy
You’ll find L484-labeled acetaminophen in generic brands at:
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Walmart (Equate)
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Walgreens
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CVS Health
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Amazon (bulk bottles)
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Costco (Kirkland Signature)
Cheaper than Tylenol with the same ingredient.
Drug Interactions & Warnings
Avoid:
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Alcohol
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Cold meds with acetaminophen
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Warfarin (unless monitored)
Caution:
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Liver conditions
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Combining with caffeine-heavy products
Trusted Resources
These boost EEAT and give your post the credibility needed for medical queries.
Final Summary
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Used for: pain, fever, short-term aches
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Safe for most users when dosage is respected
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NOT for inflammation or daily long-term use
Use it wisely — overdose = liver damage
Confused between L484 and other white pills? → L016 Pill
Need help choosing between ibuprofen or acetaminophen? → L194 white pill
