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Last updated on:
15 Mar 2019 | 05:10 PM (IST)
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Uses of Macfast Tablet

Macfast 500 Tablet is used for pain relief and fever. It is used to relieve pain in conditions like headache, joint pain, muscle pain or dental pain.

Macfast Tablet side effects

No common side effects seen

How to use Macfast Tablet

Take this medicine in the dose and duration as advised by your doctor. Swallow it as a whole. Do not chew, crush or break it. Macfast 500 Tablet is to be taken with food.

How Macfast Tablet works

Macfast 500 Tablet is an analgesic (pain reliever) and anti-pyretic (fever reducer). It works by blocking the release of certain chemical messengers that cause pain and fever.

Macfast Tablet related warnings

Taking Paracetamol/Acetaminophen with alcohol can cause liver damage.
Macfast 500 Tablet is safe to use during pregnancy.
Adequate and well-controlled human studies have shown low or no risk.
Macfast 500 Tablet is safe to use during lactation. Human studies have shown that either the drug does not pass into the breastmilk in significant amount or is not expected to cause toxicity to the baby.
Macfast 500 Tablet does not usually affect your ability to drive.
Macfast 500 Tablet should be used with caution in patients with severe kidney disease. Dose adjustment of Macfast 500 Tablet may be needed. Please consult your doctor.
However, Macfast 500 Tablet contains paracetamol which is considered the safest painkiller for kidney disease patients.
Macfast 500 Tablet should be used with caution in patients with liver disease. Dose adjustment of Macfast 500 Tablet may be needed. Please consult your doctor.
However, the use of Macfast 500 Tablet is not recommended in patients with severe liver disease and active liver disease.

Alternate Brands

For informational purposes only. Consult a doctor before taking any medicines.
Macfast 500 Tablet
Calpol 500mg Tablet
Glaxo SmithKline Pharmaceuticals Ltd
save 1%
Dolo 500 Tablet
Micro Labs Ltd
same price
Pyrigesic Tablet
East India Pharmaceutical Works Ltd
same price
save 1%
P 500 Tablet
Apex Laboratories Pvt Ltd
same price

Expert Advice

  • Good for pain relief and fever but not effective in joint pain due to poor anti-inflammatory action.
  • Starts working within one hour. Wait for at least 4 hours before taking the next dose.
  • Present in many over-the-counter (OTC) and prescription medicines. Avoid taking more than one paracetamol product at a time to prevent overdose. Doses >4 g/day (2 g in alcoholics) may cause liver, kidney or heart problems.
  • Discontinue Macfast 500 Tablet and inform your doctor immediately if rash occurs.
  • For children, measure the doses of liquid Macfast 500 Tablet using the measuring cup instead of a teaspoon to avoid under or over-dosage.
  • Avoid excess alcohol intake (>3 glasses/day) when taking Macfast 500 Tablet as it may cause liver damage.

Interaction with Drugs

Taking Macfast with any of the following medicines can modify the effect of either of them and cause some undesirable side effects
Brand(s): Nimsun, Abinim, Nimulis
Brand(s): Clorocin, Vecol, Sitamycetine
Brand(s): Metromide, Vomitrac

Patient Concerns

Questions Related to Macfast

Suffering from high fever since morningWe have been using macfast since morning
Dr. Rahul Yadav
Child Specialist
Hello, fever due to any cause takes some time to subside. You can give macfast (paracetamol) or meftal P for fever control. Also tap water sponging will help in fever control.
I am feeling pain and sound in my knee joint at the time of sitting on floor. I have suffered by Chikungunya fever about 7 months back. I am a patient of sugar from last 10 years and taking Glimestar M1. Can you please suggest some medicine to resolve my problem.
Dr. Akshat Goel
Bone & Joint Specialist
Cap Altraday once or twice daily for pain reliefGet a Digital x-ray done of both knees AP-view in standing position and share it
Do you have any questions related to Macfast 500 Tablet?

User Feedback


Q. How long does Macfast takes to work?

Macfast takes around 30-45 min to start working and show its effects.

Q. How long does Macfast stay in my body?

Usually, Macfast stay for 5-6 hours in tthe body. However, this duration can vary from person to person.

Q. If I suddenly stop taking Macfast, can this cause any withdrawal symptom?

No, Macfast does not cause any withdrawal symptoms even if you suddenly stop taking this medicine.

Q. How much Macfast can you take in a day?

In adults, the total dose of Macfast should not exceed 4g per day. In children, the maximum dose should not exceed 60mg/kg in a day.

Q. What is the recommended dose of Macfast?

In adults, the usual dose is 1-2 tablets i.e 500mg or 650mg. The minimum dosing interval should be of 4 hours between the doses. The total dose should not exceed 4g per day.

Q. Can the use of Macfast make me feel sleepy?

No, Macfast does not cause sleepiness.
Related Lab Tests
Disclaimer: 1mg's sole intention is to ensure that its consumers get information that is expert-reviewed, accurate and trustworthy. However, the information contained herein should NOT be used as a substitute for the advice of a qualified physician. The information provided here is for informational purposes only. This may not cover all possible side effects, drug interactions or warnings or alerts. Please consult your doctor and discuss all your queries related to any disease or medicine. We intend to support, not replace, the doctor-patient relationship.
Manufacturer/Marketer Address
Atlanta Arcade, Marol Church Road, Andheri (East), Mumbai - 400059, INDIA.
A licensed pharmacy from your nearest location will deliver Macfast 500 Tablet. Once the pharmacy accepts your order, the details of the pharmacy will be shared with you. Acceptance of your order is based on the validity of your prescription and the availability of this medicine.
10 tablets in 1 strip
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