Gacin 400mg Tablet

Last Updated: March 28th, 2026

Gacin 400mg Tablet is a product of Cassel Research Laboratories Pvt Ltd

Composition: Gatifloxacin (400mg)

₹ 126.56

Note: MRP can vary depending up on batch!

*MRP inclusive of all taxes

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All Details About Gacin 400mg Tablet

Find out detailed description, uses, directions of use, side effects, warnings and precautions, frequently asked questions about Gacin 400mg Tablet

Description:

Gacin 400mg Tablet is an antibiotic, used in the treatment of bacterial infections. It is also used in treating infections of the urinary tract, nose, throat, skin and soft tissues and lungs (pneumonia). It cures the infection by stopping the further growth of the causative microorganisms.

Gacin 400mg Tablet should be used in the dose and duration as advised by your doctor. It may be taken with or without food, preferably at a fixed time. Avoid skipping any doses and finish the full course of treatment even if you feel better. Do not take a double dose to make up for a missed dose. Simply take the next dose as planned.

You may experience headache, dizziness, vomiting, nausea and stomach pain as side effects of this medicine. These are usually temporary and resolves on its own, but please consult your doctor if it bothers you or persists for a longer duration. Diarrhea may also occur as a side effect but should stop when your course is complete. Inform your doctor if it does not stop or if you find blood in your stools.

You should not take this medicine if you are allergic to any of its ingredients. Special care should be taken in people with kidney problems while taking this medicine.

Gatifloxacin oral (tablet and suspension) and injection form has been withdrawn from the market, as it has shown incidences of abnormally high or low blood sugar levels in humans. However, its ophthalmic form (eye drop) is available to treat bacterial infections of the eye, which is considered to be safe for use.

Uses:

Bacterial infections

Directions For Use:

Take this medicine in the dose and duration as advised by your doctor. Swallow it as a whole. Do not chew, crush or break it. Gacin 400mg Tablet may be taken with or without food.

Side Effects:

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

Ordinary side effects of Gacin

Headache
Dizziness
Vomiting
Nausea
Stomach pain
Diarrhea

Warning & Precautions:

Alcohol

CONSULT YOUR DOCTOR

It is not known whether it is safe to consume alcohol with Gacin 400mg Tablet. Please consult your doctor.

Pregnancy

CONSULT YOUR DOCTOR

The safety of Gacin 400mg Tablet 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

CONSULT YOUR DOCTOR

Gacin 400mg Tablet may be unsafe to use during breastfeeding. Limited human data suggests that the drug may pass into the breastmilk and harm the baby. It should be used only if the expected benefit outweighs the potential risk. Please consult your doctor.
Gacin 400mg Tablet may cause diarrhea or rash in the baby

Driving

UNSAFE

Gacin 400mg Tablet may cause temporary visual disturbances. Do not drive until your vision is clear.
The most common side effects that can occur when taking Gacin 400mg Tablet are usually mild nausea, vomiting, stomach ache, diarrhea, dizziness, and headache.This may affect your ability to drive.

Kidney

CAUTION

Gacin 400mg Tablet should be used with caution in patients with kidney disease. Dose adjustment may be needed.
Take plenty of water while you are taking this medicine

Liver

CONSULT YOUR DOCTOR

There is limited data available on the use of Gacin 400mg Tablet in patients with liver disease.

FAQs:

What is Gacin 400mg Tablet used for?

Gacin 400mg Tablet is an antibiotic medicine used to treat bacterial infections such as pneumonia, sinus infections, urinary tract infections, bronchitis, skin infections, and some sexually transmitted infections like gonorrhea. It works by killing the bacteria causing the infection.

Can Gacin 400mg Tablet be used for viral infections like cold or flu?

No. Gacin 400mg Tablet does not work for viral infections such as colds, flu, or COVID‑19. Using antibiotics when they are not needed can make bacteria resistant, making future infections harder to treat.

Who should not take Gacin 400mg Tablet?

Individuals should not take Gacin 400mg Tablet if they have ever had an allergic reaction to gatifloxacin. It is also not recommended for children, teenagers under 18 years of age, pregnant women, or breastfeeding mothers unless specifically prescribed by a doctor.

Why should people with diabetes be careful while using Gacin 400mg Tablet?

Gacin 400mg Tablet can cause serious blood sugar changes, leading to sudden drops (hypoglycemia) or spikes (hyperglycemia). This is more likely if you have diabetes or take medicines to control blood sugar. Your doctor may check your glucose closely during treatment.

Can Gacin 400mg Tablet affect the heart?

Affirmative. Gacin 400mg Tablet may cause changes in heart rhythm (QT prolongation), which can lead to an irregular or fast heartbeat. Avoid taking it if you already have heart rhythm problems, low potassium levels, or take medicines for irregular heartbeat like amiodarone or quinidine. Tell your doctor if you feel dizzy, faint, or have heart palpitations.

Is tendon injury a possible side effect of Gacin 400mg Tablet?

Affirmative. Gacin 400mg Tablet can sometimes cause tendon swelling or rupture, especially in the Achilles tendon. This risk is higher in older adults and those taking steroids. Stop taking the medicine and rest the affected area if you feel tendon pain or swelling.

Can Gacin 400mg Tablet cause nerve problems?

Limitedly, Gacin 400mg Tablet may cause nerve damage (peripheral neuropathy), leading to tingling, numbness, or weakness in the arms or legs. These symptoms can appear soon after starting treatment and may last even after stopping the medicine. Tell your doctor immediately if this happens.

What serious allergic reactions of Gacin 400mg Tablet should I watch out for?

Stop using Gacin 400mg Tablet and seek emergency help if you get a severe rash, itching, swelling of the face or throat, trouble breathing, or fainting. Earnest allergic reactions can occur even after the first dose.

Can Gacin 400mg Tablet affect the brain or cause mood changes?

Affirmative, in rare cases. Some people have experienced seizures, confusion, hallucinations, anxiety, depression, or trouble sleeping while taking fluoroquinolone antibiotics like Gacin 400mg Tablet. Report any unusual mood or behavior changes to your doctor right away.

When should I stop taking Gacin 400mg Tablet and call a doctor immediately?

You should stop taking Gacin 400mg Tablet and contact your doctor if you experience severe or watery diarrhea (possible sign of colitis), extreme fatigue, yellowing of the skin or eyes (liver issues), unusual bruising or bleeding, high or low blood sugar symptoms, and heart palpitations or fainting spells.

Written by:
Dr. T. Sharmila Krishna
M.B.B.S., MD (Biochemistry)

Reviewed by:
Dr. Sureshbabu Yadav
M.B.B.S., DIP.DIAB, F.R.S.H

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