Paracetamol (acetaminophen) is the go‑to pain reliever and fever reducer for most households. It works well, but taking too much can hurt your liver. Below you’ll get the exact numbers you need for adults, kids, and special groups, so you can use it without worry.
For a healthy adult, the typical dose is 500 mg to 1000 mg every 4‑6 hours. You can’t exceed 4000 mg in a 24‑hour period. If you’re using a 500 mg tablet, that means two tablets per dose, up to four times a day. Some countries label 650 mg tablets as “extra strength”; the same 4 g limit still applies, so only three of those per day.
When you need longer relief, such as after surgery or for chronic pain, doctors may prescribe a reduced schedule—like 650 mg every 8 hours—to keep total intake under the limit. Always follow the label or your prescriber’s advice.
Children get a dose based on weight, not age. The usual amount is 10‑15 mg per kilogram of body weight, given every 4‑6 hours. Never go over 75 mg/kg in a day. For example, a 12‑kg toddler would take 120‑180 mg per dose, which is about half a standard 250 mg liquid suspension (the common 120 mg/5 mL formula).
For infants and newborns, only liquid formulations with a pediatric concentration should be used, and you should double‑check the syringe or dropper markings. If your child is under two years old or you’re unsure, call a pharmacist before giving any dose.
Elderly people, people with liver disease, or heavy alcohol users need a lower ceiling. A good rule of thumb is to cap the daily total at 3000 mg and space doses at least 6 hours apart. Talk to a doctor if you have any of these risk factors.
Pregnant or breastfeeding mums can usually stick to the standard adult dose, but it’s wise to run it by a healthcare professional, especially if you’re taking other medications.
Remember these quick safety tips:
If you ever notice nausea, unusual tiredness, or dark urine, stop taking the drug and seek medical help right away. Those can be early signs of liver stress.
By sticking to the numbers above and watching out for hidden sources of paracetamol (like cold‑fluenza combos), you’ll get the relief you need without putting your liver at risk.
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