Delivering to Gurgaon
Hi, there!
Login / Sign Up
Buy medicines
Buy health products
Book lab tests
Consult a doctor
1mg Care Plan
Cancer Care
Ayurveda
Partnerships
New
Hindi articles
Offers
All diseases
New
All medicines
Medicines by therapeutic class
Contact us
Need help?
Privacy policy
Return policy
Terms and conditions
Editorial policy
Get more features! Download the app now
Medicine Reminders
Monthly/weekly subscriptions
Health records and analysis
24*7 Emergency services
Download app on the App StoreDownload app on the Google play store
Choose city
Sign in to your account
or
By signing in you agree to our
Terms & conditions
 and 
Privacy policy
sold out tag

Secnida 500mg Tablet

Written By Dr. Anuj Saini, MMST, MBBS
Reviewed By Dr. Rajeev Sharma, MBA, MBBS
Last updated on 25 Nov 2025 | 03:05 PM (IST)
Secnida 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.
Genuine
Authenticity Assured
Prescription
required
₹13.7 MRP ₹159% off 
 
 
0
footer-icon

Save more with additional offers

offer icon
Pay with Amazon Pay Balance and get cashback up to Rs. 100 with minimum cashback of Rs. 20
Pay with Amazon Pay Balance and get cashback up to Rs. 100 with minimum cashback of Rs. 20
chevron icon
offer icon
Earn cashback up to Rs. 100 with Amazon Pay Later
Earn cashback up to Rs. 100 with Amazon Pay Later
chevron icon
offer icon
Assured cashback up to ₹300 on minimum payment of ₹300 using Paytm UPI*
Assured cashback up to ₹300 on minimum payment of ₹300 using Paytm UPI*
chevron icon

Save more with additional offers

offer icon
Pay with Amazon Pay Balance and get cashback up to Rs. 100 with minimum cashback of Rs. 20
Pay with Amazon Pay Balance and get cashback up to Rs. 100 with minimum cashback of Rs. 20
chevron icon
offer icon
Earn cashback up to Rs. 100 with Amazon Pay Later
Earn cashback up to Rs. 100 with Amazon Pay Later
chevron icon
offer icon
Assured cashback up to ₹300 on minimum payment of ₹300 using Paytm UPI*
Assured cashback up to ₹300 on minimum payment of ₹300 using Paytm UPI*
chevron icon
offer icon
10% cashback up to 200 on Min Transaction of Rs.1000, for first time users of Airtel Payments Bank.
10% cashback up to 200 on Min Transaction of Rs.1000, for first time users of Airtel Payments Bank.
chevron icon
offer icon
Get cashback up to ₹500
Get upto Rs.500 Cashback on minimum transaction of Rs.999/- with Mobikwik Wallet.
chevron icon
offer icon
Get upto Rs.150 Cashback
Get upto Rs.150 Cashback
chevron icon

General Information

Contains

Secnidazole (500mg)

Marketer

Synmedic Laboratories

Storage

Store below 30°C
The content is shown in English
Secnida 500mg Tablet image
Secnida 500mg Tablet image

Product introduction

Secnida 500mg Tablet is also used in the treatment of dental infections, leg ulcers, and pressure sores. You can take this medicine with or without food. 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 improve quickly, but continue taking the medicine for the full course, even if you feel fine. 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, as that may cause some side effects.


The most common side effects of this medicine include gastrointestinal disturbances, nausea, abdominal pain, dry mouth, a metallic taste, glossitis, and stomatitis. These side effects are usually mild, but inform your doctor if they persist or cause discomfort. Sucking on sugar-free candies or lozenges may help relieve dry mouth and the metallic taste.


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. Your doctor may change the dose or prescribe a different medicine. This medicine should not be taken if you are pregnant or breastfeeding unless it is necessary and prescribed by your doctor.

Uses of Secnida Tablet

  • Bacterial & parasitic infections

Benefits of Secnida Tablet

Bacterial & parasitic infections
Secnida 500mg Tablet helps treat many different infections such as those of the liver, stomach, intestines, vagina, brain, heart, lungs, bones, and skin that are caused by bacteria and parasites. It works by stopping the growth of the bacteria causing the infection. It 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 and parasites are killed and do not become resistant.

Side effects of Secnida 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 Secnida
  • Nausea
  • Gastrointestinal disturbance
  • Abdominal pain
  • Metallic taste
  • Glossitis (tongue inflammation)
  • Stomatitis (Inflammation of the mouth)

How to use Secnida 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. Secnida 500mg Tablet may be taken with or without food.

How Secnida Tablet works

Secnida 500mg Tablet is an antibiotic used to treat certain bacterial and parasite infections. It works by damaging the DNA of the infection-causing microorganisms, which stops them from growing and causes them to die.

Quick tips

  • Follow the full course of treatment as prescribed by your doctor, even if you start feeling better.
  • Secnida 500mg Tablet may cause side effects such as nausea, stomach discomfort, and a metallic taste in the mouth.
  • Secnida 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 at least 2 days after treatment with this medicine. You may develop nausea, vomiting, flushing, and headache.
  • Inform your doctor if you have liver disease. In cases of severe liver disease, your dosage may require adjustment.

Safety advice

Alcohol

Alcohol

CAUTION
Alcohol should be used with caution while taking Secnida 500mg Tablet.
Pregnancy

Pregnancy

SAFE IF PRESCRIBED
Secnida 500mg Tablet is generally considered safe to use during pregnancy. Animal studies do not indicate harmful effects. However, there are limited human studies.
Breast feeding

Breast feeding

CAUTION
Secnida 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 the body.
Driving

Driving

CONSULT YOUR DOCTOR
It is not known whether Secnida 500mg Tablet alters the ability to drive. Do not drive if you experience any symptoms that affect your ability to concentrate and react. Please consult your doctor.
Kidney

Kidney

CONSULT YOUR DOCTOR
There is limited data available on the use of Secnida 500mg Tablet in patients with kidney disease. Please consult your doctor.
Liver

Liver

CAUTION
Secnida 500mg Tablet should be used with caution in patients with severe liver disease. Dose adjustment may be needed.

Frequently asked questions

Secnida 500mg Tablet works best when taken at the prescribed dose and duration recommended by your doctor. Do not stop taking it even if you see improvement in your condition. If you stop using Secnida 500mg Tablet too early, the symptoms may return or worsen.
If you forget a dose of Secnida 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 at 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.
Alcohol should be avoided while taking Secnida 500mg Tablet. Moreover, you should avoid alcohol for at least 2 days after finishing the complete course. Drinking alcohol can cause an unpleasant reaction (disulfiram reaction) with symptoms such as stomach pain, nausea, vomiting, headache, flushing, or redness of the face.
Secnida 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 advice closely and inform them if you experience any bothersome side effects.
No, do not stop taking Secnida 500mg Tablet. Complete the full course of treatment even if you feel better. Your symptoms may improve before the infection is completely cured. Hence, if you stop taking the medicine before completing the course, your infection may come back. Consult your doctor before you stop taking Secnida 500mg Tablet and follow their advice.
Secnida 500mg Tablet may cause common side effects such as headaches, nausea, vomiting, diarrhea, stomach pain, and vaginal yeast infection or itching. These side effects are usually not bothersome. But if you are concerned or if any of these persist for a long duration, consult your doctor.

Fact Box

Chemical Class

Nitroimidazole derivative

Habit Forming

No

Therapeutic Class

ANTI INFECTIVES

Action Class

Antiprotozoal & Antibacterial- Nitroimidazoles

References

  1. Secnidazole [Prescribing Information]. Baltimore, MD: Lupin Pharmaceuticals, Inc.; 2022. [Accessed 03 Feb. 2025] (online) Available from:
  2. Secnidazole [Product Information]. Dhaka, Bangladesh: Square Pharmaceuticals Ltd. [Accessed 24 Apr. 2025] (online) Available from:
  3. Central Drugs Standard Control Organisation (CDSCO). [Accessed 29 Mar. 2019] (online) Available from:
100% genuine products
100% genuine products
Safe & secure payments
Safe & secure payments
No contact delivery
No contact delivery
Fully sanitized facilities
Fully sanitized facilities
<h3 class=titleMediumExtraBold>Want to know more</h3>

Want to know more

We provide you with authentic, trustworthy and relevant information
<h3 class=titleMediumExtraBold>Have issue with the content</h3>

Have issue with the content

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: Synmedic Laboratories
Address: No. 202, Sai Plaza, 187-188, Sant Nagar East Of Kailash,New Delhi 110065 India

Vendor Details

Country of origin: India

Lab tests offered by us

Why we need a prescription?
Image of Step
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
Image of Step
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
close sheet