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This is an information resource — not medical advice.

PillCodex provides general educational information about medications. This content is not a substitute for professional medical advice, diagnosis, or treatment. Never start, stop, or change a medication based on what you read here. Always speak to your doctor, pharmacist, or qualified healthcare provider with questions about your medications.

🚨 If you are experiencing a medical emergency or think you may have taken too much of a medication, call emergency services (911 in the US) or go to your nearest emergency room immediately.

Analgesic / Antipyretic✓ Over-the-counter

What Is Paracetamol (Tylenol) Used For?

Brand names: Tylenol, Panadol, Calpol

Paracetamol (known as acetaminophen in the US) is one of the world's most used medications, widely available OTC for pain and fever relief.

What is Paracetamol (Acetaminophen) used for?

  • Headaches and migraines
  • Fever reduction
  • Muscle aches
  • Back pain
  • Toothache
  • Cold and flu symptoms
  • Arthritis pain (mild)

How does Paracetamol (Acetaminophen) work?

Paracetamol inhibits prostaglandin synthesis in the central nervous system and raises the pain threshold. Unlike ibuprofen, it has minimal anti-inflammatory effect.

Dosage information

💊Available forms
  • 325mg tablets
  • 500mg tablets
  • 650mg extended release
  • 1000mg tablets
  • 120mg/5ml suspension
  • +1 more
📏Typical dosage

Adults: 325–1000mg every 4–6 hours. Maximum 4000mg per day (3000mg for regular users). Children's dose is weight-based.

⚠️ Dosage varies by individual. Always follow your doctor's or pharmacist's instructions — never self-dose based on general information.

Side effects

Common

  • Very few at therapeutic doses
  • Nausea (rare)
  • Rash (rare)

⚠️ Serious — contact your doctor

  • Liver damage — critical risk especially with overdose or alcohol use
  • Severe skin reactions (extremely rare)
  • Kidney damage with very long-term high-dose use

Important warnings

⚠️ Liver damage risk: Do NOT exceed 4000mg/day
Paracetamol is hidden in MANY combination products — watch total daily dose
Overdose can cause liver failure even without symptoms for 24–72 hours — seek emergency care immediately for any suspected overdose
Reduce dose with liver disease or heavy alcohol use

Drug interactions

These substances may interact with Paracetamol (Acetaminophen). This is not a complete list — always tell your doctor and pharmacist ALL medications and supplements you take.

Alcohol (serious liver damage risk)Warfarin (high doses)CarbamazepineIsoniazid

Pregnancy & breastfeeding

🤰 Generally considered safest OTC pain option in pregnancy — use minimum effective dose

Always consult your doctor or obstetrician before taking any medication during pregnancy or while breastfeeding.

Frequently asked questions

What is the maximum safe dose of paracetamol?

4000mg per 24 hours for healthy adults, but 3000mg recommended for regular users. Less for those who drink alcohol or have liver disease.

Can I take paracetamol and ibuprofen together?

Yes — they work through different mechanisms and can be safely combined for better pain relief.

Is paracetamol safe during pregnancy?

Traditionally considered the safest OTC option in pregnancy. Use the lowest effective dose for the shortest time and discuss with your doctor.

How much paracetamol is an overdose?

Doses above 7.5–10g (15–20 standard 500mg tablets) can cause serious liver damage. A medical emergency even if the person feels fine initially — go to emergency care immediately.

What's the difference between paracetamol and ibuprofen?

Paracetamol relieves pain and fever with no anti-inflammatory effect. Ibuprofen also reduces inflammation — better for muscle injuries and menstrual cramps. Paracetamol is gentler on the stomach.

Related medications

💊IbuprofenNSAID💊AspirinNSAID / Antiplatelet Agent💊NaproxenNSAID (Non-Steroidal Anti-Inflammatory Drug)
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This is an information resource — not medical advice.

PillCodex provides general educational information about medications. This content is not a substitute for professional medical advice, diagnosis, or treatment. Never start, stop, or change a medication based on what you read here. Always speak to your doctor, pharmacist, or qualified healthcare provider with questions about your medications.

🚨 If you are experiencing a medical emergency or think you may have taken too much of a medication, call emergency services (911 in the US) or go to your nearest emergency room immediately.

Information on this page is sourced from general pharmaceutical references and is provided for educational purposes only. Drug information may change — always verify with your pharmacist or prescriber. PillCodex.com is not affiliated with any pharmaceutical company.