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Flemiclav LB Syrup is an antibiotic that helps treat bacterial infections of the ear, nose, throat, chest, lungs, teeth, skin, and urinary tract in children. It can kill the bacteria that have become resistant to other therapies and has a lesser chance of causing side effects like diarrhea.

Written By Dr. Sakshi Jain, MS, BDS,
Reviewed By Dr. Mekhala Chandra, MD, MBBS,
Last updated on 20 May 2026 | 04:53 PM (IST)
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30 ml Syrup
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Flemiclav LB  Syrup
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Flemiclav LB  Syrup image
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Your child’s medicine at a glance

You can give Flemiclav LB Syrup to your child with or without food. However, giving it with food helps increase absorption and decrease the risk of stomach upset. The doctor may prescribe giving it two to three times a day, depending on the type and severity of the infection, your child’s body weight, and age. So, stick to the dose, time, and way prescribed. If your child vomits within 30 minutes of taking the medicine, let the child calm down and repeat the dose. Do not double dose if it is the time for the next dose.

Flemiclav LB Syrup may cause side effects such as vomiting, nausea, abdominal pain, and allergy. These side effects should resolve on their own. But, in case they persist or start bothering your child, you must not delay speaking to your child’s doctor.

Share your child’s entire medical history with the doctor, including any previous episode of allergy, heart problem, blood disorders, birth defects, airway obstruction, lung anomaly, gastrointestinal problems, skin disorders, liver impairment, and kidney malfunction. This information will assist the doctor in making dose alterations and in planning your child’s overall treatment.

Benefits of Flemiclav LB Syrup for your child

Treatment of Bacterial infections
Flemiclav LB Syrup is a medicine given to children for the treatment of a wide range of bacterial infections. Flemiclav LB Syrup also treats bacterial pneumonia, which is a very common condition in children. This medicine inhibits the bacteria from multiplying, thereby arresting their growth. It is also given as an empirical therapy in conditions where the infection-causing bacteria is unknown and as a preventive (prophylactic) antibiotic therapy.

It may be given alone or along with some other medicines. Your child may start to feel better within 2 to 3 days of regular dosing. For best results, finish the full course of the medicine without stopping abruptly as doing so may lead to ineffective treatment and worsen your child’s condition.
Treatment of Resistant Tuberculosis (TB)
In multidrug-resistant (MDR) tuberculosis, the causative bacteria produce an enzyme called beta-lactamase. This enzyme breaks down the antibiotics and makes them ineffective. As a result, the bacteria become resistant to the antibiotic being used for treatment. Flemiclav LB Syrup comprises two active ingredients, Amoxycillin and clavulanic acid. While clavulanic acid stops the enzyme from rendering Amoxycillin ineffective, Amoxycillin works towards killing the tuberculosis-causing bacteria. This makes the combination of Amoxycillin and clavulanic acid an effective treatment for resistant tuberculosis.

Side effects of Flemiclav LB Syrup in children

Flemiclav LB Syrup does not pose serious side effects and is well-tolerated by children. In case the side effects do occur, they’re likely to subside once the body adapts to the medicine. Consult your child’s doctor if these side effects persist or bother your child. The most common side effects include-
Common side effects of Flemiclav LB
  • Nausea
  • Vomiting
  • Abdominal pain
  • Allergy
  • Skin rash

How can I give Flemiclav LB Syrup to my child?

Take this medicine in the dose and duration as advised by your doctor. Check the label for directions before use. Measure it with a measuring cup and take it by mouth. Shake well before use. Flemiclav LB Syrup should be taken with or after food.

How Flemiclav LB Syrup works

Flemiclav LB Syrup is an antibiotic. It has three active agents, Amoxycillin, clavulanic acid, and lactobacillus. Amoxycillin works by preventing the formation of the bacterial protective covering (cell wall) which is essential for the survival of the bacteria. Whereas, clavulanic acid serves the special purpose of inhibiting an enzyme (beta-lactamase) that is produced by resistant bacteria. While these two medicines treat your child’s infection, they may upset your child’s digestive system by killing healthy gut bacteria due to the prolonged intake of this medicine. The third agent, lactobacillus helps prevent side effects such as diarrhea by restoring the balance of healthy bacteria in your child’s gut.

Quick tips

  • Your child may have a bitter taste in the mouth after the intake of Flemiclav LB Syrup. Eating citrus fruit or sipping plenty of water or fruit juice may help.
  • Your child must complete the entire course of antibiotics. Stopping too soon may cause the bacteria to multiply again, become resistant, or cause another infection.
  • Never share your child’s medicine with anyone else even if they show similar symptoms.
  • Never self-medicate at home. Always consult the doctor before giving any medicine to your child.
  • Do not give Flemiclav LB Syrup to treat the common cold and flu-like symptoms caused by viruses.
  • Never save medicine for future illnesses. It cannot be said whether the same medicine will work on future infections.
  • Stop Flemiclav LB Syrup immediately if your child develops an itchy rash, facial swelling, or breathing difficulty. Report to the doctor without any delay.

Safety advice

Kidney

Kidney

CAUTION
Flemiclav LB Syrup should be used with caution in patients with kidney disease. Dose adjustment may be needed.
Liver

Liver

CAUTION
Flemiclav LB Syrup should be used with caution in patients with liver disease. Dose adjustment may be needed.

Frequently asked questions

Flemiclav LB Syrup can sometimes interact with other medicines or substances. Tell your doctor about any other medicines your child is taking before starting Flemiclav LB Syrup. Also, check with your child’s doctor before giving any medicine to your child.
No, do not stop giving this medicine to your child unless the full course of the treatment is complete, even if you feel better. The symptoms may improve before the infection is completely cured. Hence, continue giving the medicine for the due course as it may still be showing beneficial effects.
Antibiotics usually do not interfere with the ingredients in vaccines or cause a bad reaction in a child who has just been vaccinated. However, children taking antibiotics should not get vaccinated until they recover from the illness. As soon as your child feels better, the vaccine can be given.
With prolonged therapy, the doctor may monitor kidney and liver function tests periodically to keep a check on your child’s condition.
Yellow or green mucus in the nose does not mean that antibiotics are needed. During a common cold, it is normal for mucus to thicken up and change from clear to yellow or green. Symptoms often last for 7-10 days.

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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: FDC Ltd
Address: B-8, MIDC Industrial Area, Waluj, Aurangabad - 431 136, Maharashtra / G-1, MIDC Malegaon, Tal Sinnar, Nashik - 422113, Maharashtra / 142-148, S.V. Road, Jogeshwari (W), Mumbai-400102, Maharashtra

Vendor Details

Country of origin: India
A licensed vendor partner from your nearest location will deliver Flemiclav LB Syrup. 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
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