Acetaminophen Oral : Uses, Side Effects, Interactions


COMMON BRAND(S): Panadol, Tylenol

GENERIC NAME(S): Acetaminophen


Acetaminophen is used to reduce mild to moderate pain (headache, menstrual, toothache, back pain, chronic osteoarthritis, or cold / flu pain and pain) and reduce fever.

How to use Acetaminophen

Take this product from the mouth as directed. Follow all the instructions on the product package. If you are unsure about any information, consult your doctor or pharmacist.

There are many brands and forms of Acetaminophen. Read the dosage instructions for each product carefully as the amount of acetaminophen can vary between the products. Do not take acetaminophen more than recommended. (See also the warning section.)

If you are giving acetaminophen a child, make sure you use a product that is for children. Use your child’s weight to find the right dose on the product package. If you do not know the weight of your child, then you can use their age.

For suspension, shake the medication well before each dose. There is no need to move some liquids before use. Follow all the instructions on the product package. To ensure that you get the right dose, measure liquid medication with the prescribed dose-measuring spoon / dropper / syringe. Do not use domestic spoons.

For rapidly dissolving tablets, allow chewing or breach on the tongue, then swallow it with water or without it. For chewing pills, chew well before swallowing.

Do not crush or chew the expanded-release tablet. Doing this increases the risk of side effects, you can release all medicines at once. Also, do not divide the pills until they have a score line, and your doctor or pharmacist asks you to do this. Swallow whole or split tablet without crushing or chewing.

For the effect tablet, dissolve the dosage in the recommended amount of water, then drink it.

Pain medicines work best if they are used as the first symptom of pain. If you wait until the symptoms become bad, then the medication can not work.

Do not take this medicine for more than 3 days for a fever, unless directed by your doctor. For adults, do not take this product for more than 10 days (5 days in children) for pain, unless directed by your doctor. If the child has sore throat (especially with high fever, headache or nausea / vomiting), then consult the doctor immediately.

Tell your doctor if your condition persists or worsens or if you develop new symptoms. If you feel that you may have a serious medical problem, immediately seek medical help.

Side Effects

See also the warning section.

Acetaminophen usually has no side effects. If you have any abnormal effects, contact your doctor or pharmacist immediately.

If your doctor has directed you to use this medicine, remember that he or she has decided that the benefit is higher than the risk of side effects. Many people using this drug do not have serious side effects.

A very serious allergic reaction to this drug is rare. However, if you see symptoms of a serious allergic reaction, get medical help immediately, including: granular, itching / swelling (especially the face / tongue / throat), severe dizziness, trouble breathing.

This is not a complete list of possible side effects. If you do not list other effects above, contact your doctor or pharmacist.

In America – Call your doctor for medical advice about side effects. You can notify the FDA of side effects on 1-800-FDA-1088 or

In Canada – Call your doctor for medical advice about side effects. You can report the health effects of Canada on 1-866-234-2345.


See also the warning section.

Before taking acetaminophen, tell your doctor or pharmacist whether you are allergic to it; Or if you have any other allergens. This product can have passive elements, which can cause allergic or other problems. Talk to your pharmacist for more details.

Before using this product, tell your doctor or pharmacist your medical history, in particular: liver disease, regular use / abuse of alcohol.

Liquid products, chewing tablets, or dissolving / waste pills can contain sugar or aspartame. If you are advised to take precautions in diabetes, phenylketonuria (PKU), or any other condition, then you need to limit / limit these substances in your diet. If you have any of these conditions, ask your doctor or pharmacist about making safe use of these products.

Tell your doctor if you are pregnant before using this medicine.

Acetaminophen passes through breast milk. Consult your doctor before breastfeeding.

Over Dose

If someone is treated and has serious symptoms like having trouble going out or breathing, call 911. Otherwise, call the Poison Control Center immediately, residents of the US can call their local venom control center at 1-800-222-1222. Canadians can call a provincial poison control center. Symptoms of overdose may include: nausea, vomiting, loss of appetite, sweating, stomach / stomach ache, excessive fatigue, bleeding / skin glow.


Acetaminophen does not cause the stomach and intestinal ulcer which can be caused by NSAIDs such as aspirin, ibuprofen, and naproxen. However, acetaminophen does not reduce inflammation (swelling) such as NSAIDs. Consult your doctor for more information and see which medication may be right for you.

Missed Dose

If you are taking this medicine on a regular basis and you miss a dose, take it as soon as you remember it. If it is near the next dose time, then leave the missed dose. Take your next dose at regular times. Do not double the dose to catch up.


Store at room temperature away from light and moisture. Do not store in the bathroom. Keep all medications away from children and pets.

Until instructed to do so, do not flush the medicines in the toilet and do not drain them. When this period expires or does not need it, then properly release this product. Consult your pharmacist or local waste disposal company.

Disclaimer: DrLinex has made every effort to ensure that all information is factually accurate, comprehensive and up-to-date. However, this article should not be used as a licensed health care professional’s choice of knowledge and expertise. You should always consult your doctor or other health care professional before taking any medication. The information given here is subject to change and it has not been used to cover all possible uses, directions, precautions, warnings, drug interactions, allergic reactions or adverse effects. The lack of warning or other information for any drug does not indicate that the combination of medicine or medication is safe, effective or appropriate for all patients or all specific uses.

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