Opitax 1gm Injection

Cefotaxime (1000mg)

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Opitax 1gm Injection is an antibiotic medicine used to treat bacterial infections in your body. It is effective in infections of the brain, lungs, ear, urinary tract, skin and soft tissues, bones and joints, blood, and heart. It is also used to prevent infections during surgery.

Written By Dr. Swati Mishra, BDS,
Reviewed By Dr. Mekhala Chandra, MD, MBBS,
Last updated on 14 Apr 2026 | 04:20 PM (IST)

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General Information

Contains

Cefotaxime (1000mg)

Marketer

Overseas Pharma Pvt Ltd

Storage

Store below 25°C

The content is shown in English

Product introduction

Opitax 1gm Injection fights and stops the growth of many types of bacteria. This helps to improve your symptoms and cure the underlying infection. It 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. Your doctor will decide the correct dose for you. You should use this medicine 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 most common side effects of this medicine include rash and diarrhea. Some people may develop temporary redness or pain at the site of injection. These side effects are usually mild but let your doctor know if they bother you or last more than a few days.

Before using it, you should tell your doctor if you are allergic to any antibiotics, and if you have any liver or kidney problems. You should also let your healthcare team know all other medicines you are taking as they may affect, or be affected by this medicine. Pregnant and breastfeeding mothers should consult their doctor before using it.

Uses of Opitax Injection

Bacterial infections

Benefits of Opitax Injection

Bacterial infections
Opitax 1gm Injection is the injection form of an antibiotic medicine that kills the infection causing bacteria in your body. It is often injected by a doctor or a nurse either into a vein or a muscle. This medicine is used to treat many different types of infections such as those of the brain (meningitis), lungs (pneumonia), ear, abdomen, urinary tract, bones and joints, skin, blood, and heart. This medicine usually makes you feel better within a few days. Follow your doctor's instructions carefully to get maximum benefit.

Side effects of Opitax 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 Opitax

Injection site reactions (pain, swelling, redness)
Hypersensitivity
Gastrointestinal disorder

How to use Opitax Injection

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

How Opitax Injection works

Opitax 1gm Injection is an antibiotic. It kills the bacteria by preventing them from forming the bacterial protective covering (cell wall) which is needed for them to survive.

All substitutes for Opitax 1gm Injection

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

Quick tips

Your doctor has prescribed Opitax 1gm Injection to cure your infection and improve your symptoms.
Do not skip any doses and finish the full course of treatment even if you feel better. Stopping it early may make the infection harder to treat.
Discontinue Opitax 1gm Injection and inform your doctor immediately if you get a rash, itchy skin, swelling of the face and mouth, or have difficulty breathing.
Diarrhea may occur as a side effect, but it should stop when your course is complete. Inform your doctor if it does not stop or if you find blood in your stools.

Safety advice

Alcohol

CONSULT YOUR DOCTOR

It is not known whether it is safe to consume alcohol with Opitax 1gm Injection. Please consult your doctor.

Pregnancy

CONSULT YOUR DOCTOR

The safety of Opitax 1gm Injection during pregnancy has not been established. There are no adequate and well-controlled studies in pregnant women, and animal data on reproductive toxicity are insufficient. Your doctor will weigh the benefits and any potential risks before prescribing.

Breast feeding

CAUTION

Opitax 1gm 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.
Avoid prolonged use of Opitax 1gm Injection, since it may have possible effects such as rash and diarrhea.

Driving

UNSAFE

Opitax 1gm Injection may decrease alertness, affect your vision, or make you feel sleepy and dizzy. Do not drive if these symptoms occur.

Kidney

CAUTION

Opitax 1gm Injection should be used with caution in patients with kidney disease. Dose adjustment may be needed.
Regular monitoring of kidney function may be advised while you are taking this medicine.

Liver

SAFE IF PRESCRIBED

Opitax 1gm Injection is probably safe to use in patients with liver disease. Limited data suggest dose adjustment may not be needed.

Interaction with drugs

Taking Opitax 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 Cefotaxime. Please consult your doctor. Cefotaxime may reduce the efficacy of Cholera Vaccine (Inactivated).

Severe

Purified Vi Polysaccharide Typhoid Vaccine (Injection Route)

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

Moderate

Amikacin (Injection Route)

Your doctor may monitor your kidney function regularly.

Moderate

Phenobarbitone (Injection Route)

Talk to your doctor if you notice any unusual symptoms. Phenobarbitone may increase the effect of Cefotaxime.

Moderate

Phenobarbitone (Oral Route)

Talk to your doctor if you notice any unusual symptoms. Phenobarbitone may increase the effect of Cefotaxime.

Frequently asked questions

Is Opitax 1gm Injection the same as penicillin?

No, Opitax 1gm Injection is not the same as penicillin. Opitax 1gm Injection belongs to the third generation class of cephalosporins. Opitax 1gm Injection is active against numerous gram-positive and gram-negative bacteria, including several with resistance to other antibiotics such as penicillin.

What kind of infections does Opitax 1gm Injection treat?

Opitax 1gm Injection is an antibiotic used to treat conditions such as lower respiratory tract infections (related to the lungs, windpipe and airways), skin and skin structure infections, urinary tract infections, pelvic inflammatory disease, bacterial septicemia, bone and joint infections, and meningitis (brain related).

Is Opitax 1gm Injection effective?

Opitax 1gm Injection is effective if used in the dose and duration advised by your doctor. Do not stop taking it even if you see improvement in your condition. If you stop using Opitax 1gm Injection too early, the symptoms may return or worsen.

How is Opitax 1gm Injection administered?

Opitax 1gm Injection is administered under the supervision of a trained healthcare professional or a doctor and should not be self-administered. The dose will depend on the condition you are being treated for and will be decided by your doctor. Follow your doctor’s instructions carefully to get maximum benefit from Opitax 1gm Injection.

What if I do not get better after using Opitax 1gm Injection?

Inform your doctor if you do not feel better even after finishing the full course of treatment. You must also inform your doctor if the symptoms get worse while using this medicine.

Can the use of Opitax 1gm Injection cause diarrhea?

Yes, the use of Opitax 1gm Injection can cause diarrhea. Opitax 1gm Injection is an antibiotic which 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.

How long does Opitax 1gm Injection take to work?

Usually, Opitax 1gm Injection starts working soon after you take it. However, it may take some days to kill all the harmful bacteria and relieve your symptoms completely.

Fact Box

Chemical Class

Cephalosporin 3'- esters

Habit Forming

Therapeutic Class

ANTI INFECTIVES

Action Class

Third-Generation Cephalosporins

Related lab tests

Complete Blood Count

Peripheral Smear Examination

References

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. p. 224.
Cefotaxime. Bridgewater, NJ: sanofi-aventis U.S. LLC; 2015. [Accessed 29 Mar. 2019] (online) Available from:
Chaves RG, Lamounier JA. Breastfeeding and maternal medications. J Pediatr (Rio J). 2004;80(5 Suppl):S189-98. [Accessed 29 Mar. 2019] (online) Available from:
Central Drugs Standard Control Organisation (CDSCO). [Accessed 28 Mar. 2019] (online) Available from:

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Disclaimer

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: Overseas Pharma Pvt Ltd
Address: 941, 21st Main Rd, Siddanna Layout, Banashankari Stage II, Banashankari, Bengaluru, Karnataka 560070

Vendor Details

Country of origin: India
A licensed vendor partner from your nearest location will deliver Opitax 1gm Injection. 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 doctor's ℞ and the availability of this medicine.

In case of any issues, contact us

Email ID: [email protected]
Phone Number: 0124-4166666
Address: 5th Floor Tower - B of the Presidency Building, 46/4 Mehrauli Gurgaon Road, Sector 14, Gurugram, Haryana-122001, India

Lab tests offered by us

Why we need a prescription?

Name: Overseas Pharma Pvt Ltd
Address: 941, 21st Main Rd, Siddanna Layout, Banashankari Stage II, Banashankari, Bengaluru, Karnataka 560070

In case of any issues, contact us

Email ID: [email protected]
Phone Number: 0124-4166666
Address: 5th Floor Tower - B of the Presidency Building, 46/4 Mehrauli Gurgaon Road, Sector 14, Gurugram, Haryana-122001, India

Opitax 1gm Injection

Cash on delivery

Return

Expiry after

Save more with additional offers

General Information

Contains

Marketer

Storage

Product introduction

Uses of Opitax Injection

Benefits of Opitax Injection

Side effects of Opitax Injection

How to use Opitax Injection

How Opitax Injection works

All substitutes for Opitax 1gm Injection

Omnatax 1000mg Injection

Taxim 1000mg Injection

Biotax 1 g Injection

Swiftax 1000mg Injection

Eurotax 1000mg 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)

Phenobarbitone (Injection Route)

Phenobarbitone (Oral Route)

Frequently asked questions

Is Opitax 1gm Injection the same as penicillin?

What kind of infections does Opitax 1gm Injection treat?

Is Opitax 1gm Injection effective?

How is Opitax 1gm Injection administered?

What if I do not get better after using Opitax 1gm Injection?

Can the use of Opitax 1gm Injection cause diarrhea?

How long does Opitax 1gm Injection take to work?

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

In case of any issues, contact us

Lab tests offered by us

Related/Popular tests

Product introduction

Uses of Opitax Injection

Benefits of Opitax Injection

Side effects of Opitax Injection

How to use Opitax Injection

How Opitax Injection works

Quick tips

All substitutes for Opitax 1gm Injection

Omnatax 1000mg Injection

Taxim 1000mg Injection

Biotax 1 g Injection

Swiftax 1000mg Injection

Eurotax 1000mg Injection

Frequently asked questions

Is Opitax 1gm Injection the same as penicillin?

What kind of infections does Opitax 1gm Injection treat?

Is Opitax 1gm Injection effective?

How is Opitax 1gm Injection administered?

What if I do not get better after using Opitax 1gm Injection?

Can the use of Opitax 1gm Injection cause diarrhea?