LC-Clar Injection

Reviewed By Dr. Lalit Kanodia, MBA, MD Pharmacology

Last updated on 21 Sep 2025 | 10:19 PM (IST)

LC-Clar Injection is an antibiotic used to treat various types of bacterial infections. It is effective in most infections of the respiratory tract, ear, nose, throat, lungs, and skin. It is also effective against some infections seen in people with reduced immunity.

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LC-Clar Injection

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Clarithromycin (500mg)

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General Information

Contains

Clarithromycin (500mg)

Marketer

Louis and Clark Pharmaceutical

Storage

Store below 25°C

The content is shown in English

Product introduction

LC-Clar Injection is also effective against some infections (e.g., MAC or Mycobacterium avium complex) seen in people with reduced immunity. It stops the bacteria from growing, which helps to resolve your symptoms and cure your infection. This medicine is taken orally, preferably either one hour before or 2 hours after a meal. No antacids should be taken within 2 hours of taking this medicine. It should be used regularly at evenly spaced time intervals as 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.

Common side effects with this medicine include diarrhea, nausea, abnormal taste, indigestion, abdominal pain, headache, vomiting, and rash. These are usually temporary and subside with the completion of treatment. Consult your doctor if you find these side effects do not resolve or persist for a longer duration.

Inform your doctor if you have any previous history of allergy or heart problems before taking this medicine. Pregnant or breastfeeding women should consult their doctor before using this medicine.

Uses of LC-Clar Injection

Treatment of Bacterial infections

Benefits of LC-Clar Injection

Treatment of Bacterial infections
LC-Clar Injection is an antibiotic medicine that can be used to treat many different infections caused by bacteria. These include infections of the respiratory tract, ear, nose, throat, lungs, and skin. It is also effective against a bacteria known as H. pylori, which is associated with peptic ulcer disease. It stops further growth of the bacteria causing the infection and helps treat your infection.

This medicine usually makes you feel better quite quickly. However, you should continue taking it as long as it is prescribed even when you feel better, to make sure that all bacteria are killed and do not become resistant.

Side effects of LC-Clar 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 LC-Clar

Sweating
Swelling
Rash
Nausea
Vomiting
Headache
Injection site phlebitis
Insomnia (difficulty in sleeping)
Abnormal taste
Dyspepsia
Taste change
Abnormal liver function tests
Abdominal pain
Diarrhea

How to use LC-Clar Injection

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

How LC-Clar Injection works

LC-Clar Injection is an antibiotic. It works by preventing synthesis of essential proteins required by bacteria to carry out vital functions. Thus, it stops the bacteria from growing, and prevents the infection from spreading.

All substitutes for LC-Clar Injection

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

Quick tips

Your doctor has prescribed LC-Clar Injection to cure your infection and improve your symptoms.
It is given as a drip under the supervision of a healthcare provider.
Do not skip any doses and finish the full course of treatment even if you feel better. Stopping it early may make the infection to come back and harder to treat.
Diarrhea may occur as a side effect but should stop when your course is complete. Inform your doctor if it doesn't stop or if you find blood in your stools.
Stop taking LC-Clar Injection 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

UNSAFE

It is unsafe to consume alcohol with LC-Clar Injection.

Pregnancy

CONSULT YOUR DOCTOR

LC-Clar Injection may be unsafe to use during pregnancy. Although there are limited studies in humans, animal studies have shown harmful effects on the developing baby. Your doctor will weigh the benefits and any potential risks before prescribing it to you. Please consult your doctor.

Breast feeding

CONSULT YOUR DOCTOR

LC-Clar Injection is probably unsafe to use during breastfeeding. Limited human data suggests that the drug may pass into the breastmilk and harm the baby.

Driving

UNSAFE

LC-Clar Injection may decrease alertness, affect your vision or make you feel sleepy and dizzy. Do not drive if these symptoms occur.

Kidney

CAUTION

LC-Clar Injection should be used with caution in patients with kidney disease. Dose adjustment of LC-Clar Injection may be needed. Please consult your doctor.

Liver

SAFE IF PRESCRIBED

LC-Clar Injection is probably safe to use in patients with liver disease. Limited data available suggests that dose adjustment of LC-Clar Injection may not be needed in these patients. Please consult your doctor.

Interaction with drugs

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

Life-threatening

Pimozide (Oral Route)

Do not consume Pimozide with Clarithromycin.

Life-threatening

Domperidone (Oral Route)

Do not consume Domperidone with Clarithromycin.

Life-threatening

Simvastatin (Oral Route)

Do not consume Simvastatin with Clarithromycin. If Clarithromycin is essential, your doctor may temporarily stop Simvastatin. Clarithromycin may raise blood levels of Simvastatin.

Life-threatening

Ivabradine (Oral Route)

Do not consume Ivabradine with Clarithromycin. Clarithromycin may raise blood levels of Ivabradine.

Life-threatening

Dronedarone (Oral Route)

Do not consume Dronedarone with Clarithromycin.

Frequently asked questions

What is LC-Clar Injection used for?

This medicine is an antibiotic that is used for the treatment of pneumonia, bronchitis, throat and sinus, skin infections, and ear infections. It can also be used with other medications to treat stomach ulcers caused by bacteria.

How does LC-Clar Injection work?

LC-Clar Injection treats your infection by stopping bacteria from producing important nutrients it needs to survive.

How long does it take for LC-Clar Injection to work?

For most infections, you might start to feel better within a few days. Other infections, like stomach ulcers (due to bacteria) or skin infections, might take a little longer to feel better. It is very important to keep taking this medicine for as long as your doctor has prescribed, even if you start to feel better.

Can LC-Clar Injection be used to treat urinary tract infections (UTIs)?

No, LC-Clar Injection should not be used to treat UTIs. Consult your doctor who can prescribe you the exact medication for treating your urinary tract infection.

Can I take an antacid along with LC-Clar Injection?

No, it is advisable not to take an antacid along with LC-Clar Injection. If you have to take an antacid containing aluminum and/or magnesium, make sure that you take it at least 2 hours before or after taking LC-Clar Injection. Talk to your doctor in case of any doubts.

Will LC-Clar Injection affect birth control pills?

There are no studies confirming the effect of this medicine on birth control pills. However, it is better to consult your doctor who can advise you more on this.

I am experiencing nausea and vomiting. Is this due to LC-Clar Injection?

Nausea and vomiting are some of the common side-effects of this medicine. Eat smaller, more frequent meals to reduce the feeling of nausea. Avoid food that is salty, spicy, fried, or fatty, and drink plenty of water.

What are some of the serious side-effects of LC-Clar Injection?

Seek immediate medical help if you get a faster or irregular heartbeat, severe pain in your stomach or back, blood and mucus in stool, dark urine, and stool.

Is clarithromycin the same as amoxicillin?

No, although amoxicillin and clarithromycin are both antibiotics, they are not the same. They target different bacteria in your body and can be used for treating different infections. Your doctor will decide which antibiotic is best for you based on your infection and types of symptoms.

Fact Box

Chemical Class

Macrolides

Habit Forming

Therapeutic Class

ANTI INFECTIVES

Action Class

Macrolides

Related lab tests

Complete Blood Count

Peripheral Smear Examination

References

Chambers HF, Deck DH. Tetracyclines, Macrolides, Clindamycin, Chloramphenicol, Streptogramins, & Oxazolidiones. In: Katzung BG, Masters SB, Trevor AJ, editors. Basic and Clinical Pharmacology. 11th ed. New Delhi, India: Tata McGraw Hill Education Private Limited; 2009. pp. 800-801.
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. 287-89.
Clarithromycin. Via Fossignano, Italy: Ibigen Srl,; 2012 [revised 6 Mar. 2018]. [Accessed 31 Mar. 2019] (online) Available from:
Clarithromycin [New Zealand Data Sheet]. Pt Chevalier, Auckland: Max Health Ltd.; 2022. [Accessed 06 Apr. 2023] (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: Louis and Clark Pharmaceutical
Address: Flat No. 301, Tolstoy Marg 7, New Delhi 110001

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

LC-Clar Injection

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General Information

Contains

Marketer

Storage

Product introduction

Uses of LC-Clar Injection

Benefits of LC-Clar Injection

Side effects of LC-Clar Injection

How to use LC-Clar Injection

How LC-Clar Injection works

All substitutes for LC-Clar Injection

Klacid IV Injection

Clarimin 500mg Injection

Clarger 500mg Injection

Clariglan 500mg Injection

Clarineon 500mg Injection

Quick tips

Safety advice

Alcohol

Pregnancy

Breast feeding

Driving

Kidney

Liver

Interaction with drugs

Pimozide (Oral Route)

Domperidone (Oral Route)

Simvastatin (Oral Route)

Ivabradine (Oral Route)

Dronedarone (Oral Route)

Frequently asked questions

What is LC-Clar Injection used for?

How does LC-Clar Injection work?

How long does it take for LC-Clar Injection to work?

Can LC-Clar Injection be used to treat urinary tract infections (UTIs)?

Can I take an antacid along with LC-Clar Injection?

Will LC-Clar Injection affect birth control pills?

I am experiencing nausea and vomiting. Is this due to LC-Clar Injection?

What are some of the serious side-effects of LC-Clar Injection?

Is clarithromycin the same as amoxicillin?

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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