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Bacipen 500 Mg (Ampicillin)

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Bacipen 500 Mg (Ampicillin) is an antibiotic used to treat certain bacterial infections. Check its uses, dosage, side effects, precautions, and safety information before use.

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Active-Ingredient Ampicillin
Manufacturers
Packaging 10 capsules in 1 strip
Strength 500mg
Delivery-Time 6 To 15 days
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Active-Ingredient Ampicillin
Manufacturers
Packaging 10 capsules in 1 strip
Strength 500mg
Delivery-Time 6 To 15 days

Bacipen 500 Mg (Ampicillin) is an antibiotic used to treat certain bacterial infections. Check its uses, dosage, side effects, precautions, and safety information before use.

Last Updated on ✔ Medically Reviewed by Dr. Arjun Srivastav

What Is Bacipen 500 Mg (Ampicillin)?

Bacipen 500 mg is an antibiotic medicine containing ampicillin, a penicillin-type antibacterial. It is used to treat certain bacterial infections caused by bacteria that are susceptible to ampicillin. Ampicillin works by interfering with bacterial cell-wall formation, which can lead to the death of susceptible bacteria.

Bacipen 500 mg should only be used when recommended by a doctor or other qualified healthcare professional. The appropriate treatment depends on the type of infection, the bacteria involved, the severity of the infection, age, kidney function and other individual factors.

Manufacturer: Alembic Pharmaceuticals Ltd.

Composition: Ampicillin 500 mg

Bacipen 500 Mg Uses

Bacipen 500 mg may be prescribed for certain bacterial infections when the causative bacteria are susceptible to ampicillin. Depending on the bacterial cause and clinical assessment, ampicillin may be used for infections involving the:

  • Respiratory tract
  • Gastrointestinal tract
  • Genitourinary tract
  • Other areas affected by susceptible bacterial infections

Ampicillin should not be used to treat viral infections such as the common cold or influenza. Antibiotics should be selected according to the suspected or confirmed bacterial cause and, where appropriate, susceptibility testing.

Expected Recovery Time

Treatment Stage What May Happen
First 24–48 Hours Medicine begins targeting bacteria
Days 2–4 Symptoms may start improving
Days 5–7 Continued reduction in infection signs
End of Course Infection control typically achieved when treatment is completed

🚨 Important

Bacipen 500 mg treats certain bacterial infections and should not be used for viral infections such as colds or flu. Use it only as prescribed by a healthcare professional.

How Does Bacipen 500 Mg (Ampicillin) Work?

Bacipen 500 mg contains ampicillin, which belongs to the penicillin group of antibiotics.

Ampicillin works by interfering with the production of the bacterial cell wall. Susceptible bacteria need this protective structure to grow and survive. By disrupting cell-wall biosynthesis, ampicillin can cause susceptible bacteria to die.

The medicine does not work against viral infections, and its effectiveness depends on whether the bacteria causing the infection are susceptible to ampicillin.

How To Take Bacipen 500 Mg

Take Bacipen 500 mg exactly as prescribed by your doctor.

For oral ampicillin capsules, the medicine is generally taken with a full glass of water on an empty stomach, approximately 30 minutes before or 2 hours after a meal, unless your healthcare professional has given you different instructions.

  • Swallow the capsule with water.
  • Follow the prescribed dose and schedule.
  • Take doses at the recommended intervals.
  • Do not take extra capsules to make up for a missed dose.
  • Complete the prescribed treatment as directed.

Do not use leftover antibiotics or share Bacipen 500 mg with another person.

💡 Tip

Take Bacipen 500 mg with a full glass of water and follow the dosing schedule provided by your doctor or pharmacist.

Bacipen Strengths

Bacipen 500 Mg Dosage

The appropriate dose of ampicillin depends on the infection being treated, its severity, the patient’s age and other clinical factors. Your doctor will determine the appropriate dose and treatment duration.

Do not use the 500 mg strength as a universal dose for every bacterial infection. Children, older adults and people with impaired kidney function may require individualised dosing.

Adults

Take Bacipen 500 mg according to the dosage and frequency prescribed by your doctor. The prescribed regimen may differ depending on the type and severity of infection.

Children

Children require dosing based on factors such as body weight, age, infection and clinical condition. Do not give Bacipen 500 mg to a child unless it has been specifically prescribed.

Older Adults

Older adults may require additional consideration of kidney function and other medicines when the dose is selected.

What If You Miss a Dose?

Take the missed dose when you remember, unless it is nearly time for your next scheduled dose. If the next dose is due soon, skip the missed dose and continue with your regular schedule.

Do not take two doses together unless specifically instructed by your healthcare professional.

🔔 Reminder

Take Bacipen 500 mg exactly as prescribed and complete the recommended treatment unless your doctor advises you to stop.

What If You Take Too Much Bacipen 500 Mg?

Taking more Bacipen 500 mg than prescribed may increase the risk of adverse effects. If you think you have taken too much, seek medical advice promptly rather than waiting for symptoms to develop.

How Long Does Bacipen 500 Mg Take to Work?

The time required for symptoms to improve varies with the type and severity of the infection and the individual patient’s response.

Some people may begin to feel better after starting appropriate antibiotic treatment, but this does not mean the infection has been completely eliminated. Take Bacipen for the full duration prescribed by your healthcare professional.

Do not stop treatment simply because you feel better unless your doctor tells you to do so.

Is Bacipen 500 Mg Effective?

Bacipen 500 mg can be effective against bacterial infections caused by organisms that are susceptible to ampicillin. Its effectiveness depends on the bacteria responsible for the infection and whether they are sensitive to the medicine.

Antibiotics should be used only when appropriate, as unnecessary or inappropriate use can contribute to antimicrobial resistance.

Bacipen 500 Mg Side Effects

Like other medicines, Bacipen 500 mg may cause side effects. Not everyone experiences them.

🟢 Common Side Effects
🔴 Serious Side Effects
🟢 Common Side Effects
🤢 Nausea
🤮 Vomiting
💩 Diarrhea
🤕 Stomach discomfort
🔴 Skin rash
🤕 Headache
🔴 Serious Side Effects
😮‍💨 Difficulty breathing
👄 Swelling of the face, lips, tongue, or throat
🚨 Severe allergic reaction
🟥 Severe or rapidly spreading skin rash
🩹 Blistering or peeling skin
💩🩸 Watery or bloody diarrhea
🤢 Nausea
😮‍💨 Difficulty breathing
🤮 Vomiting
👄 Swelling of the face, lips, tongue, or throat
💩 Diarrhea
🚨 Severe allergic reaction
🤕 Stomach discomfort
🟥 Severe or rapidly spreading skin rash
🔴 Skin rash
🩹 Blistering or peeling skin
🤕 Headache
💩🩸 Watery or bloody diarrhea

Precautions and Warnings

Before taking Bacipen 500 mg, tell your doctor if you:

  • Have previously experienced an allergic reaction to ampicillin, penicillin, or another beta-lactam antibiotic.
  • Have kidney problems.
  • Have a history of antibiotic-associated diarrhea.
  • Are pregnant, planning pregnancy, or breastfeeding.
  • Take prescription medicines, OTC medicines, or supplements.

Ampicillin should not be used in people with a history of serious hypersensitivity reactions to ampicillin or other beta-lactam antibiotics.

⚠️ Warning

Do not take Bacipen 500 mg if you have had a serious allergic reaction to ampicillin, penicillin, or other beta-lactam antibiotics. Seek urgent medical help if you develop difficulty breathing or swelling of the face, lips, tongue, or throat.

Important Reminder

Do not use Bacipen 500 mg for a viral infection. Use the antibiotic only when it has been prescribed or recommended for an appropriate bacterial infection.

Bacipen 500 Mg Drug Interactions

Tell your doctor or pharmacist about all medicines you take before starting Bacipen 500 mg.

Some medicines may affect the action or elimination of ampicillin. For example, probenecid can delay the elimination of ampicillin. Other medicines may also require consideration depending on your individual treatment.

Do not add another antibiotic to your treatment unless it has been specifically recommended by a healthcare professional.

When Should You Seek Medical Help?

Contact your doctor if:

  • Your symptoms are getting worse.
  • Your symptoms do not improve as expected.
  • You develop a severe rash or signs of an allergic reaction.
  • You develop severe, persistent or bloody diarrhea.
  • You accidentally take more than the prescribed amount.

Seek emergency medical attention for breathing difficulty, severe swelling or other symptoms suggesting a serious allergic reaction.

Bacipen 500 Mg Safety Advice

Bacipen 500 Mg Safety Advice

Follow the prescribed dose and schedule, and use Bacipen 500 mg only as directed by your doctor or pharmacist.

Follow the Prescribed Dose

Take Bacipen 500 mg exactly as directed. Do not increase, reduce or change the frequency without medical advice.

Take It on an Empty Stomach

For oral ampicillin capsules, taking the medicine approximately 30 minutes before or 2 hours after food can help maximise absorption. Follow your own prescription if your healthcare professional provides different instructions.

Complete the Prescribed Treatment

Do not stop or repeatedly skip doses simply because your symptoms improve. Follow the treatment duration prescribed by your healthcare professional.

Check for Penicillin Allergy

Tell your doctor if you have previously experienced an allergic reaction to penicillin or another beta-lactam antibiotic.

Do Not Share Antibiotics

Bacipen 500 mg should only be used by the person for whom it has been prescribed. Do not share your antibiotic with others.

Storage and Disposal

Store Bacipen 500 mg according to the storage instructions supplied with the product packaging.

Keep the medicine:

  • In its original packaging.
  • Away from excessive heat and moisture.
  • Out of reach of children.
  • Protected according to the manufacturer’s storage instructions.

Do not use the medicine after its expiry date. Ask a pharmacist about appropriate disposal of unused medicines rather than disposing of medicines in ways that may contaminate the environment.

Where to Buy Bacipen 500 Mg

If you are looking to buy Bacipen 500 mg, check the product details, strength, pack information and prescribing requirements before ordering.

Use medicines only as directed by a qualified healthcare professional. If you are unsure whether ampicillin is appropriate for your infection, speak with a doctor or pharmacist before purchasing or taking the medicine.

Where To Buy Bacipen 500 Mg In Australia?

To buy Bacipen 500 mg in Australia, check out the local pharmacy stores. Or else, there is one more convenient option for patients, and that is to look for this medicine on online pharmacies.

For example, AustraliaRXMeds is one of the most trusted and authentic websites to buy medicine. You can get it at the best rates on our website, get different strengths, and get it delivered right to your home.

Resource portals

AustraliaRxMeds provides content for general education and awareness. Articles are based on trusted medical resources such as the Cleveland Clinic. Please consult your doctor or pharmacist for personalised guidance.

FAQs

What is Bacipen 500 mg used for?

Bacipen 500 mg contains ampicillin, a penicillin-type antibiotic used to treat certain bacterial infections caused by susceptible bacteria.

Is Bacipen 500 mg an antibiotic?

Yes. Bacipen 500 mg is an antibiotic containing ampicillin, which works against susceptible bacteria.

How should I take Bacipen 500 mg?

Take Bacipen 500 mg exactly as prescribed. Oral ampicillin is generally taken with water on an empty stomach, unless your doctor or pharmacist gives you different instructions.

Can I take Bacipen 500 mg with food?

Ampicillin capsules are generally taken on an empty stomach, approximately 30 minutes before or 2 hours after meals. Follow the instructions provided with your prescription.

Can I stop Bacipen 500 mg when I feel better?

Do not stop or change your treatment without medical advice. Follow the treatment duration prescribed by your healthcare professional.

Does Bacipen 500 mg treat viral infections?

No. Bacipen 500 mg is an antibacterial medicine and does not treat viral infections such as the common cold or influenza.

How should Bacipen 500 mg be stored?

Keep Bacipen 500 mg in its original packaging and store it according to the instructions provided on the product packaging. Keep it away from excessive heat and moisture and out of children's reach.

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About the Doctor

Dr. Arjun Srivastav

Medical Reviewer (Pharm D)

✔ Medically Reviewed • Updated: 09/03/2026

Education: Graduate Diploma in Clinical Practice - University of Sydney,

Clinical Pharmacist (Pharm D) Doctor of Medicine (MD) – University of Melbourne Biomedical Engineering – Monash University Graduate Diploma in Clinical Practice - University of Sydney, Arjun Srivastav is a dedicated Clinical Pharmacologist and the E-commerce Operations Manager at AustraliaRxMeds. With a Doctor of Pharmacy (Pharm D) and over 10 years of clinical experience at prestigious institutions like Wockhardt and Apollo Hospitals, Arjun specializes in drug safety, digital healthcare accessibility,...

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