Fasigyn DS 500mg Tablet is an antibiotic medicine that helps your body fight infections caused by bacteria and parasites. It is used to treat infections of the liver, stomach, intestines, vagina, brain, heart, lungs, and skin.

Fasigyn DS 500mg Tablet is also used in the treatment of dental infections, leg ulcers, and pressure sores. This medicine should be taken with food, at the same time each day to get the most benefit. The amount you are advised will depend on what you are being treated for and how bad it is, but you should take this antibiotic exactly as prescribed by your doctor. Your symptoms may get better after a short time but do not stop taking it until you have finished a full course of treatment, even if you feel well. If you stop taking it early, some bacteria may survive, and the infection may come back. Do not drink any alcohol while taking this medicine and for some days after stopping it. Otherwise, you may get unpleasant side effects like nausea, vomiting, and stomach pain.

The most common side effects of this medicine are headache, dryness in the mouth, nausea, and a slight metallic taste in the mouth. These are usually mild but let your doctor know if they bother you or last more than a few days. You can try using sugarless candies or lozenges to overcome any dryness or metallic taste in the mouth.

Before using this medicine, inform your doctor if you are allergic to any medicine or have any kidney or liver problems or any disease of the nervous system. This medicine should not be taken if you are pregnant or breastfeeding unless it is absolutely necessary and prescribed by your doctor.

Uses of Fasigyn Tablet

Bacterial infections
Parasitic infections

Benefits of Fasigyn Tablet

In Bacterial infections

Fasigyn DS 500mg Tablet is an antibiotic medicine that can be used to treat many different infections caused by bacteria. These include infections of the liver, stomach, intestines, vagina, brain, heart, lungs, bones, and skin. It works by stopping the growth of the bacteria causing the infection. This medicine usually makes you feel better quite quickly. However, you should continue taking it as long as it is prescribed even if you feel better, to make sure that all bacteria are killed and do not become resistant.

In Parasitic infections

Fasigyn DS 500mg Tablet helps treat many parasitic infections. It works by killing and stopping the further growth of parasites causing the 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 parasites are killed and do not become resistant.

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Side effects of Fasigyn Tablet

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 Fasigyn

Headache
Dryness in mouth
Nausea
Metallic taste

How to use Fasigyn Tablet

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. Fasigyn DS 500mg Tablet is to be taken with food.

How Fasigyn Tablet works

Fasigyn DS 500mg Tablet is an antibiotic. It kills the bacteria and other microorganisms that cause infections by damaging their DNA.

Safety advice

Alcohol

UNSAFE

Consuming alcohol while taking Fasigyn DS 500mg Tablet may cause symptoms such as flushing, increased heart beat, nausea, thirst, chest pain and low blood pressure (Disulfiram reaction).

Pregnancy

CONSULT YOUR DOCTOR

Fasigyn DS 500mg Tablet 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

CAUTION

Fasigyn DS 500mg Tablet 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 her body.
If a single dose of Fasigyn DS 500mg Tablet is used, it is recommended to hold breastfeeding for 12-24 hours to allow the removal of the drug.

Driving

UNSAFE

Fasigyn DS 500mg Tablet may cause side effects which could affect your ability to drive.
Fasigyn DS 500mg Tablet may make you feel drowsy or gives you problems with coordination or sensation (e.g. numbness or weakness). This may affect your driving ability.

Kidney

SAFE IF PRESCRIBED

Fasigyn DS 500mg Tablet is safe to use in patients with kidney disease. No dose adjustment of Fasigyn DS 500mg Tablet is recommended.

Liver

SAFE IF PRESCRIBED

Fasigyn DS 500mg Tablet is probably safe to use in patients with liver disease. Limited data available suggests that dose adjustment of Fasigyn DS 500mg Tablet may not be needed in these patients. Please consult your doctor.

What if you forget to take Fasigyn Tablet?

If you miss a dose of Fasigyn DS 500mg Tablet, take it as soon as possible. However, if it is almost time for your next dose, skip the missed dose and go back to your regular schedule. Do not double the dose.

All substitutes

For informational purposes only. Consult a doctor before taking any medicines.

Fasigyn DS 500mg Tablet

₹12.4/Tablet

Tiniba 500 Tablet

Zydus Cadila

₹13.5/tablet

9% costlier

Fasigyn 500mg Tablet

Pfizer Ltd

₹11.15/tablet

10% cheaper

Enidazol 500 Tablet

East India Pharmaceutical Works Ltd

₹8.25/tablet

33% cheaper

Tinvista 500 Tablet

Cadila Pharmaceuticals Ltd

₹4.06/tablet

67% cheaper

Tinifas 500mg Tablet

Cipla Ltd

₹3.12/tablet

75% cheaper

View all substitutes

Quick tips

Fasigyn DS 500mg Tablet treats infections caused by bacteria and parasites.
It may also be used to prevent infections following surgery.
Always take the complete course of treatment, as advised by your doctor, even if you feel better.
It may cause side effects like nausea, stomach upset, and a metallic taste in the mouth.
Fasigyn DS 500mg Tablet used in a high dose or for a prolonged time increases the risk of side effects such as nerve damage. Take it only as prescribed by your doctor.
Do not drink alcohol during or for 2-3 days after treatment with this medicine. You may develop nausea, vomiting, flushing and headache.
Inform your doctor if you have liver disease. Your dose may need to be adjusted in severe liver disease.

Fact Box

Chemical Class

Nitroimidazole

Habit Forming

Therapeutic Class

GASTRO INTESTINAL

Action Class

5-Nitroimidazole (Antiprotozoal & Antibacterial)

Interaction with drugs

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

Cholera Vaccine (Inactivated) (Oral Route) Severe

Tinidazole may reduce the efficacy of Cholera Vaccine (Inactivated). Do not consume Cholera Vaccine (Inactivated) two weeks before and at least 10 days after consuming Tinidazole.... More

Purified Vi Polysaccharide Typhoid Vaccine (Oral Route) Severe

Tinidazole may reduce the efficacy of Purified Vi Polysaccharide Typhoid Vaccine. Do not consume Purified Vi Polysaccharide Typhoid Vaccine with Tinidazole. If Purified Vi Polysac... More

Acenocoumarol (Oral Route) Moderate

Tinidazole may increase the effect of Acenocoumarol. Your doctor may frequently monitor your blood clotting time.

Warfarin (Oral Route) Moderate

Tinidazole may increase the effect of Warfarin. Your doctor may frequently monitor your blood clotting time.

View all drug interactions

Patient concerns

Scar on face due to bacterial infections

Dr. Atul Jain

Dermatology

Pic is not clear, plz visit for proper opinion

I have a history of recurring yeast and bacterial vaginosis infections.

Dr. Sonu Balhara Ahlawat

Obstetrics and Gynaecology

Tab metrogyl 500 mg twice a day x 5 days and tab fluconazole 150 mg three doses alternate days

FAQs

Is Fasigyn DS 500mg Tablet effective?

Fasigyn DS 500mg Tablet 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 Fasigyn DS 500mg Tablet too early, the symptoms may return or worsen.

Should Fasigyn DS 500mg Tablet be taken with food?

Yes, Fasigyn DS 500mg Tablet should be taken with food. Food helps to reduce the chances of developing side effects such as stomach pain, vomiting, and diarrhea, which you may experience if Fasigyn DS 500mg Tablet is taken on an empty stomach. If you have any doubts, consult your doctor.

What if I forget to take a dose of Fasigyn DS 500mg Tablet?

If you forget a dose of Fasigyn DS 500mg Tablet, take it as soon as you remember. However, if it is almost time for your next dose, skip the missed dose and take the next scheduled dose in the prescribed time. Do not double the dose to make up for the missed one as this may increase the chances of developing side effects.

Can I stop taking Fasigyn DS 500mg Tablet if I start feeling better?

No, you should not stop taking Fasigyn DS 500mg Tablet if you start feeling better. It is common to feel better early in the course of treatment. Although sudden stopping of Fasigyn DS 500mg Tablet is not associated with any unpleasant reactions. But, it is advised to take the medicine as per your doctor’s advice to cure your condition completely and to get maximum benefit.

Can I continue breastfeeding while taking Fasigyn DS 500mg Tablet?

No, do not breastfeed while taking Fasigyn DS 500mg Tablet. Moreover, you should avoid breastfeeding even after 3 days of finishing the complete course. Consult your doctor if you have any doubts.

Is Fasigyn DS 500mg Tablet safe?

Fasigyn DS 500mg Tablet is safe if used in the dose and duration advised by your doctor. Take it exactly as directed and do not skip any dose. Follow your doctor's instructions carefully and let your doctor know if any of the side effects bother you.

Are there any warning signals associated with Fasigyn DS 500mg Tablet which indicate that I should discontinue it immediately?

Serious side effects are very rare with the use of Fasigyn DS 500mg Tablet. However, you should consult your doctor immediately if you notice difficulty in breathing, fits or seizures or swelling of eyelids, face, lips or tongue.

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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.

References

Rosenthal PJ. Antiprotozoal Drugs. 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. 912-14.
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. 1365-66.
Medsacpe. Tindazole. [Accessed 29 Mar. 2019] (online) Available from:
Tinidazole. Atlanta, Georgia: Mikart Inc; 2004 [revised May 2007]. [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 29 Mar. 2019] (online) Available from:

Marketer details

Name: Pfizer Ltd

Address: The Capital, 1802, 18th Floor , Plot No. C-70, ‘G’ Block , Bandra Kurla Complex, Bandra East , Mumbai – 400051.

Country of origin: India

The list of available options shown with the same composition has been prepared upon the advice of registered medical practitioners, pharmacists affiliated with TATA 1MG. TATA 1MG does not promote any pharmaceutical product of any particular company, and all recommendations are based on the medical opinion, advisories from specialist medical and pharmaceutical professionals.