Maxamp 500mg Injection

Reviewed By Dr. Sachin Gupta, MD Pharmacology, MBBS

Last updated on 10 Feb 2026 | 01:59 AM (IST)

Maxamp 500mg Injection is a penicillin-type antibiotic used to treat a variety of bacterial infections of the ear, nose, throat, respiratory tract (e.g., pneumonia), urinary tract, gastrointestinal tract, brain (e.g., meningitis), heart, blood, and others.

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General Information

Contains

Ampicillin (500mg)

Marketer

Max India Ltd

Storage

Store below 30°C

The content is shown in English

Product introduction

Maxamp 500mg Injection is given as a drip (intravenous infusion) or as an injection directly into a vein or a muscle under the supervision of a healthcare professional. This medicine should be used regularly at evenly spaced intervals as per the schedule prescribed by your doctor. Do not skip any doses and finish the full course of treatment even if you feel better. Stopping the medicine too early may lead to the infection returning or worsening. The total duration of treatment and precise dosage will be decided by your doctor, depending on the type of infection that you have and how well you respond to the medication. It is effective in both adults and children.

Common side effects of Maxamp 500mg Injection include rash and diarrhea. It may also cause vomiting, allergic reactions, nausea, and local pain, swelling, or redness at the site of injection in some people. These are temporary and usually resolve quickly. Consult your doctor if any of these side effects persist or worsen.

Before receiving Maxamp 500mg Injection, inform your doctor if you have a history of allergic reactions to penicillin or any penicillin-type medicine. This medicine is generally considered safe to use during pregnancy if used under a doctor’s supervision.

Uses of Maxamp Powder for Injection

Bacterial infections

Benefits of Maxamp Powder for Injection

Bacterial infections
Maxamp 500mg Injection is an antibiotic that helps treat bacterial infections. It kills the bacteria causing the infection, which helps reduce symptoms like fever, pain, and swelling. By stopping the bacteria from growing, Maxamp 500mg Injection allows the body’s immune system to fight off the infection more effectively. This can lead to faster recovery and prevent the infection from spreading or becoming more serious.

Side effects of Maxamp Powder for Injection

Most side effects do not require any medical attention and disappear as your body adjusts to the medicine. Consult your doctor if they persist or if you’re worried about them

Common side effects of Maxamp

Skin rash
Diarrhea

How to use Maxamp Powder for Injection

Your doctor or nurse will give you this medicine. Kindly do not self administer.

How Maxamp Powder for Injection works

Maxamp 500mg Injection is an antibiotic. It kills bacteria by preventing them from forming the bacterial protective covering (cell wall) that is needed for them to survive.

All substitutes for Maxamp 500mg Injection

For information purposes only. Consult a doctor before taking any medicine.

Alfacillin 500mg Injection

by Vista Health Care

₹15/powder for injection

65% costlier

Quick tips

Finish the prescribed course, even if you start to feel better. Stopping it early may make the infection come back and harder to treat.
Diarrhea may occur as a side effect. Taking probiotics along with Maxamp 500mg Injection may help. Talk to your doctor if you notice bloody stools or develop abdominal cramps.
Stop taking this medicine and inform your doctor immediately if you develop an itchy rash, swelling of the face, throat, or tongue, or breathing difficulties while taking it.

Safety advice

Alcohol

CONSULT YOUR DOCTOR

It is not known whether it is safe to consume alcohol with Maxamp 500mg Injection. Please consult your doctor.

Pregnancy

SAFE IF PRESCRIBED

Maxamp 500mg Injection is safe to use during pregnancy. Most studies have shown low or no risk to the developing baby.

Breast feeding

CAUTION

Maxamp 500mg Injection should be used with caution during breastfeeding. Breastfeeding should be held until the treatment of the mother is completed and the drug is eliminated from the body.

Driving

SAFE

Maxamp 500mg Injection does not usually affect your ability to drive.

Kidney

CAUTION

Maxamp 500mg Injection should be used with caution in patients with kidney disease. Dose adjustment may be needed.

Liver

CAUTION

Maxamp 500mg Injection should be used with caution in patients with liver disease. Dose adjustment may be needed.

Interaction with drugs

Taking Maxamp with any of the following medicines can modify the effect of either of them and cause some undesirable side effects

Severe

Cholera Vaccine (Inactivated) (Oral Route)

Do not consume Cholera Vaccine (Inactivated) two weeks before and at least 10 days after consuming Ampicillin. Please consult your doctor. Ampicillin may reduce the efficacy of Cholera Vaccine (Inactivated).

Severe

Purified Vi Polysaccharide Typhoid Vaccine (Injection Route)

Ampicillin may reduce the efficacy of Purified Vi Polysaccharide Typhoid Vaccine. Ampicillin may reduce the efficacy of Purified Vi Polysaccharide Typhoid Vaccine.

Moderate

Amikacin (Injection Route)

Talk to your doctor if you notice any unusual symptoms.

Moderate

Pemetrexed (Injection Route)

Your doctor may monitor your creatinine clearance along with your overall treatment and adjust the doses as per the observations. Ampicillin may slow down the removal of Pemetrexed from the body.

Moderate

Kanamycin (Injection Route)

Let your doctor know if you have a history of kidney disease. Your doctor may monitor your kidney function regularly.

Frequently asked questions

Can Maxamp 500mg Injection cause an allergic reaction?

Although it is rare, yes, Maxamp 500mg Injection can cause an allergic reaction and is harmful in patients with known allergies to penicillins. Get emergency medical help if you have any of the signs of an allergic reaction: hives; difficulty breathing; swelling of your face, lips, tongue, or throat.

How long does Maxamp 500mg Injection take to work?

Usually, Maxamp 500mg Injection starts working soon after taking it. However, it may take around 2-3 days to make you feel better while taking Maxamp 500mg Injection.

Can the use of Maxamp 500mg Injection cause diarrhea?

Yes, the use of Maxamp 500mg Injection can cause diarrhea. It is an antibiotic, and it kills the harmful bacteria; however, it also affects the helpful bacteria in your stomach or intestine and causes diarrhea. If diarrhea persists, talk to your doctor about it.

Fact Box

Chemical Class

Penicillins

Habit Forming

Therapeutic Class

ANTI INFECTIVES

Action Class

Extended Spectrum Penicillins

Related lab tests

Complete Blood Count

Peripheral Smear Examination

References

Petri WA Jr. Penicillins, Cephalosporins, and Other β -Lactam Antibiotics. In: Brunton LL, Chabner BA, Knollmann BC, editors. Goodman & Gilman’s: The Pharmacological Basis of Therapeutics. 12th ed. New York, New York: McGraw-Hill Medical; 2011. pp. 1487-90.
Chambers HF, Deck DH. Beta-Lactam and Other Cell Wall- & Membrane-Active Antibiotics. In: Katzung BG, Masters SB, Trevor AJ, editors. Basic and Clinical Pharmacology. 11th ed. New Delhi, India: Tata McGraw Hill Education Private Limited; 2009. p. 780.
Briggs GG, Freeman RK, editors. A Reference Guide to Fetal and Neonatal Risk: Drugs in Pregnancy and Lactation. 10th ed. Philadelphia, PA: Wolters Kluwer Health; 2015. pp. 69-71.
Ampicillin. New York, NY: Pfizer Labs; Sep. 2010. [Accessed 29 Mar. 2019] (online) Available from:
Central Drugs Standard Control Organisation (CDSCO). [Accessed 28 Mar. 2019] (online) Available from:
Drugs and Lactation Database (LactMed®) [Internet]. Bethesda (MD): National Institute of Child Health and Human Development; 2006. Ampicillin. [Updated 2025 Jan 15]. [Accessed 04 Apr. 2025] (online) Available from:
Ampicillin [Prescribing Information]. Lake Forest, IL: Hospira, Inc.; 2024. [Accessed 04 Apr. 2025] (online) Available from:
Ampicillin Sodium [Summary of Product Characteristics]. Hebei, China: North China Pharmaceutical Co., Ltd.; 2021. [Accessed 04 Apr. 2025] (online) Available from:
Ampicillin [Prescribing Information]. Ahmedabad, Gujarat: Advanov Pharma Pvt. Ltd.; 2022. [Accessed 04 Apr. 2025] (online) Available from:

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Tata 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 everything about particular health conditions, lab tests, medicines, all possible side effects, drug interactions, warnings, alerts, etc. 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.

Marketer details

Name: Max India Ltd
Address: 307 Mohan Place, L.S.C. C-Block, Saraswati Vihar, NEW DELHI 110 034 India

Vendor Details

Country of origin: India

Lab tests offered by us

Why we need a prescription?

Provide right medicines

Prescriptions are complex documents. We proof read and recheck at various steps to provide you the right medication in the correct form and dose

In accordance with the law

Most medicines cannot be sold without a valid prescription, as per the Drugs and Cosmetics Act, 1940 and Rules, 1945

Maxamp 500mg Injection

Save more with additional offers

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General Information

Contains

Marketer

Storage

Product introduction

Uses of Maxamp Powder for Injection

Benefits of Maxamp Powder for Injection

Side effects of Maxamp Powder for Injection

How to use Maxamp Powder for Injection

How Maxamp Powder for Injection works

All substitutes for Maxamp 500mg Injection

Alfacillin 500mg Injection

Quick tips

Safety advice

Alcohol

Pregnancy

Breast feeding

Driving

Kidney

Liver

Interaction with drugs

Cholera Vaccine (Inactivated) (Oral Route)

Purified Vi Polysaccharide Typhoid Vaccine (Injection Route)

Amikacin (Injection Route)

Pemetrexed (Injection Route)

Kanamycin (Injection Route)

Frequently asked questions

Can Maxamp 500mg Injection cause an allergic reaction?

How long does Maxamp 500mg Injection take to work?

Can the use of Maxamp 500mg Injection cause diarrhea?

Fact Box

Chemical Class

Habit Forming

Therapeutic Class

Action Class

Related lab tests

Complete Blood Count

Peripheral Smear Examination

References

Want to know more

Have issue with the content

Disclaimer

Marketer details

Vendor Details

Lab tests offered by us

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