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Pentids 400 mg

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Dr. Akanksha Kaushal
akanksha-kaushal Dr. Akanksha, Pharm-D

Dr. Akansha is a licensed Clinical Pharmacologist with extensive expertise in pharmacovigilance, prescription analysis, drug information, and safety. She's a dedicated educator and avid learner. Dr. Akansha also reviews medical content on GoodRx Medicine, ensuring accurate pharmaceutical information is accessible to all.

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Written by
Julian Carter
julian-carter Julian Carter

Julian, an MBA in Pharmaceutical Management, brings a dynamic blend of expertise and impact with his contributions at Goodrxmedicine. His dedication and innovative spirit continue to shape a brighter future in pharmaceutical management.

What is Pentids 400 mg?

Pentids 400 mg is an antibacterial tablet used against bacterial infections.

The medicine is an excellent treatment for the throat, ear, sinuses, nasal, skin, respiratory tract infections, and Syphilis, a type of sexually transmitted disease.

The drug is also effective on infections like heart valves and Rheumatic fever.

Penicillin G is the active ingredient in medicine.

Produced by Abbott Healthcare, this medicine also comes in lower strength of Pentids 200 mg.

Uses of Pentids (Penicillin G) 400 mg

400 mg of Pentids is used in the treatment of:

Bacterial infections

Pentids is a medicine primarily used against bacterial infections.

It inhibits bacterial growth, which causes infection.

The medicine is prescription based and should not be self-administered.

Pentids 400 mg is quick to show results.

You must continue to take it as prescribed, even if it makes you feel better.

Rheumatic fever

Streptococcus, a type of bacteria, causes Rheumatic inflammation in the body.

Pentids 400 mg tablet that contains Penicillin G efficiently alleviates symptoms, reduces inflammation, and avoids illness recurrence. 

Let your doctor know if you are allergic to penicillin before taking it so that you can be treated with an alternative medication.


It is a bacterial condition commonly transmitted through sexual contact.

If the condition is diagnosed in its early stages, 400 g of Pentids form is a successful treatment.

The drug eliminates the bacteria, halting the course of the disease.

Also read: Know if about Cholera infection. 

Pentids 400 Mg

How does Pentids (Penicillin G) 400 mg works?

As mentioned above, Pentids 400 is an antibiotic.

It contains Penicillin G as the active ingredient.

The ingredient kills the bacteria that cause the infection.

It does so by damaging and destroying the protective layering of the bacteria's cell wall.

The layer is necessary for the bacteria to survive. 

Hence the medicine ultimately destroys the bacteria.


Please note the following things before taking medicine:

  • Stick to the prescription of the doctor. Do not stop taking the medication even if you feel good unless the doctor recommends
  • Swallow Pentids 400 mg with a glass of water
  • Do not chew or crush the medicine
  • It is recommended to take medicine at a fixed time of the day

Note: Pregnant and breastfeeding women should consult their doctor before taking medicine.

Produced by Abbott Healthcare, this medicine also comes in lower strength of Pentids 200 mg.

What if I forget a dose of Pentids?

In case of a missed dose of 400 mg of Pentids, taking the dose as soon as you recall is recommended.

You should skip the missed dose if it is almost the time of your next dose.

Do not, in any condition, double dose or overdose.

Side effects

In general, Pentids 400 mg is safe to use if taken on the advice of a doctor.

However, a few patients may face temporary side effects like:

  • Headache
  • Nausea/Vomiting
  • Stomach pain
  • Skin rashes 
  • Serum sickness
  • Rare severe allergic reactions
  • An abnormal decrease in white blood cell count
  • Convulsions
  • Difficulty in breathing
  • Severe Diarrhea
  • Decreased appetite
  • Unusual tiredness and weakness
  • Fever

Note: Please inform your doctor if the effects last longer.


Pentids (Penicillin G) may interact with other drugs, food, and disease.

It is advised to be transparent with your doctor about your medical history and the medications you are currently taking.

Drug interactions

Anticoagulants (Warfarin)
Anti-cancer drugs (Methotrexate)
Pain killers (Aspirin, Indomethacin)
Antibiotics (Tetracycline, Chloramphenicol)

Food interactions

If you are taking 400 mg of Pentids, avoid the consumption of alcohol.

Disease interactions

Consult with your doctor if you are diagnosed with the following:

  • Kidney disease
  • Asthma
  • Heart or liver diseases
  • Undergoing dialysis treatment


Keep the 400 mg of Pentids at room temperature in a cool, dry, and dark location. 

Ensure that the strip on the pills is intact and undamaged.

Frequently Asked Questions

Can I stop taking Pentids if I feel better?

No. Pentids is a prescription-based drug.

It should be taken for the length and duration recommended by the doctor.

After taking Pentids 400 mg, you feel better because the symptoms have been treated, but the chance of infection persists.

Hence, stop taking medicine only when the doctor asks you to.

Can Pentids cause allergic reactions?

Yes, you may face an allergic reaction.

In general, Pentis is a safe drug to use if taken on the advice of a doctor.

However, it can result in allergic reactions in a few patients.

It is advised to talk to your doctor before taking any medications to avoid invited side effects and reactions.

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