Informational only — not medical advice. Always consult a licensed healthcare provider or pharmacist before taking any medication. In case of overdose call Poison Control: 1-800-222-1222 (US) or 911.
Tylenol dosage depends on three things: the strength of the product (325 mg, 500 mg or 650 mg per tablet), the person taking it (adult vs. child, body weight, liver health), and the total amount taken across 24 hours from every source. Acetaminophen — the active ingredient in Tylenol — is safe and effective at correct doses, but is one of the most common causes of drug-related liver injury when the daily maximum is exceeded, usually by accident.
This hub gives you the adult numbers and links to dedicated guides for the trickier questions: the maximum dose in 24 hours, how many 500 mg tablets you can take, and combining Tylenol with ibuprofen. Children are dosed by weight — see the children’s dosage hub.
Adult Tylenol dosing at a glance
| Product / form | Strength | Typical adult dose | Max per dose | Interval | Common label max (24h) |
|---|---|---|---|---|---|
| Regular Strength | 325 mg | 2 tablets (650 mg) | 650 mg | every 4–6 h | 3,250 mg (≤10 tabs) |
| Extra Strength | 500 mg | 2 tablets (1,000 mg) | 1,000 mg | every 6 h | 3,000 mg (label) / 4,000 mg (older) |
| Extra Strength (caplet, 8-hr) | 650 mg ER | 2 caplets (1,300 mg) | 1,300 mg | every 8 h | 3,900 mg |
| Oral suspension (adult) | 500 mg/15 mL | per label | 1,000 mg | every 6 h | per label |
The numbers above are typical label figures; Kenvue lowered the stated maximum for Extra Strength Tylenol to 3,000 mg/day for over-the-counter self-care, while healthcare providers may still use up to 4,000 mg/day for some patients. When in doubt, the safe rule is: read the label on the exact bottle in your hand, and count acetaminophen from cold, flu, and prescription combination products too.
All dosage guides
Tylenol Extra Strength Dosage
Tylenol Extra Strength dosage for adults: 2 tablets (1,000 mg) every 6 hours, max 6 tablets (3,000 mg) a day, plus how to count acetaminophen safely.
Maximum Dose of Tylenol in 24 Hours
The maximum dose of Tylenol in 24 hours for adults, why the label limit changed from 4,000 to 3,000 mg, and how to safely count acetaminophen from every source.
Tylenol and Ibuprofen Together: Dosage Guide
Tylenol and ibuprofen together dosage: safe adult amounts, a staggered timing schedule, and why combining the two can relieve pain better than either alone.
Tylenol 500mg: How Many Can I Take?
Tylenol 500mg: how many can I take? Two 500 mg tablets per dose, every 6 hours, up to the label maximum — plus how to count acetaminophen safely.
Acetaminophen Dosage
Acetaminophen dosage explained: adult single doses, daily maximums by strength, weight-based pediatric guidance, and how to count total acetaminophen safely.
Tylenol 325 mg (Regular Strength) Dosage
Tylenol 325 mg (Regular Strength) dosage: 2 tablets (650 mg) every 4–6 hours, daily limits, and how it compares with Extra Strength 500 mg.