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Openos Tablet

Written By Dr. Subita Alagh, BDS
Reviewed By Dr. Sachin Gupta, MD Pharmacology, MBBS
Last updated on 27 Jan 2026 | 01:23 PM (IST)
Openos Tablet is a combination medicine used to treat common cold symptoms. It provides relief from seasonal allergic conditions such as runny nose, watery eyes, sneezing and congestion or stuffiness. This medicine also relieves fever and pain.
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General Information

Contains

Nimesulide (100mg)+ Levocetirizine (5mg)

Marketer

Panacea Biotec Pharma Ltd

Storage

Store below 30°C
The content is shown in English
Openos Tablet image
Openos Tablet image

Product introduction

Openos Tablet is taken with food in a dose and duration as advised by the doctor. The dose you are given will depend on your condition and how you respond to the medicine. You should keep taking this medicine for as long as your doctor recommends. If you stop treatment too early your symptoms may come back and your condition may worsen. Let your doctor know about all other medications you are taking as some may affect, or be affected by this medicine.

The most common side effects are nausea, diarrhea, vomiting, dryness in mouth, fatigue, and headache. Most of these are temporary and usually resolve with time. Contact your doctor straight away if you are at all concerned about any of these side effects. It can also cause dizziness and sleepiness, so do not drive or do anything that requires mental focus until you know how this medicine affects you. Avoid drinking alcohol while taking this medicine as it can make dizziness worse.

Before taking it, you should tell your doctor if you have any liver diseases so that your doctor can prescribe a suitable dose for you. Also tell your doctor if you are pregnant, planning pregnancy or breastfeeding.


Note: As per the Ministry of Health and Family Welfare, Openos Tablet is banned for children under 12 years of age.

Uses of Openos Tablet

Benefits of Openos Tablet

Common cold
Openos Tablet is a combination medicine that effectively relieves symptoms of common cold such as blocked nose, runny nose, watery eyes, sneezing, and congestion or stuffiness. It helps to loosen thick mucus, making it easier to cough out. This makes it easier for air to move in and out. It shrinks the blood vessels and provides rapid relief that lasts for several hours.

This medicine is safe and effective. Openos Tablet usually starts to work within a few minutes and the effects can last up to several hours. Take it as prescribed by the doctor. Do not stop using it unless you are advised to by your doctor. Taking this medicine enables you to live your life more freely without worrying so much about things that set off your symptoms.

Side effects of Openos 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 Openos
  • Nausea
  • Vomiting
  • Dryness in mouth
  • Fatigue
  • Headache
  • Sleepiness
  • Increased liver enzymes
  • Blood in urine
  • Low urine output
  • Nasopharyngitis (inflammation of the throat and nasal passages)
  • Gastrointestinal discomfort
  • Heartburn
  • Abdominal cramp
  • Skin rash
  • Itching
  • Low blood platelets

How to use Openos 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. Openos Tablet should be taken with or after food.

How Openos Tablet works

Openos Tablet is a combination of two medicines: Nimesulide and Levocetirizine which relieve common cold symptoms. Nimesulide is a non-steroidal anti-inflammatory drug (NSAID). It works by blocking the release of certain chemical messengers that cause pain and inflammation (redness and swelling). Levocetirizine is an antiallergic which relieves allergy symptoms like runny nose, watery eyes and sneezing.

Quick tips

  • Openos Tablet is prescribed to get relief from symptoms of common cold.
  • Take exactly as directed by your doctor or on the label. Do not increase the dosage or take for longer than is recommended.
  • Call your doctor if your symptoms have not improved within seven days of treatment.
  • Inform your doctor if you are taking any other medications for cold.
  • Along with taking Openos Tablet do the following simple tips at home to get relief:
    1. Steam inhalation.
    2. Gargling with warm saltwater.
    3. Apply vapor rubs on chest, back if needed. Take enough rest.
    4. Take warm food and fluid only. Ensure adequate fluid intake.
    5. Advise hygiene measures to reduce spread: frequent hand-washing, avoiding sharing towels, pillowcases, etc.

Safety advice

Alcohol

Alcohol

CONSULT YOUR DOCTOR
It is not known whether it is safe to consume alcohol with Openos Tablet. Please consult your doctor.
Pregnancy

Pregnancy

UNSAFE
Openos Tablet is highly unsafe during pregnancy. It can cause serious harm to the unborn baby, including birth defects and pregnancy loss. Do not use this medicine if you are pregnant or planning to become pregnant.
Breast feeding

Breast feeding

CONSULT YOUR DOCTOR
Openos 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.
Driving

Driving

UNSAFE
Openos Tablet may decrease alertness, affect your vision, or make you feel sleepy and dizzy. Do not drive if these symptoms occur.
Kidney

Kidney

CAUTION
Openos Tablet should be used with caution in patients with severe kidney disease. Dose adjustment may be needed.
Use of Openos Tablet is not recommended in patients with severe kidney disease.
Liver

Liver

UNSAFE
Openos Tablet is unsafe to use in patients with liver disease and should be avoided.

Fact Box

Habit Forming

No

Therapeutic Class

RESPIRATORY

References

  1. European Medicne Agency. Nimesulide; 2004. [Accessed 02 Apr. 2019] (online) Available from:
  2. FDA approved prescribing information. Levocitrizine; 1995 [revised May 2007]. [Accessed 01 Apr. 2019] (online) Available from:
  3. ScienceDirect. Nimesulide. [Accessed 02 Apr. 2019] (online) Available from:
  4. Levocitrizine. Slough, Berkshire: UCB Pharma Limited; 2007 [revised 27 Mar. 2019]. [Accessed 01 Apr. 2019] (online) Available from:
  5. ScienceDirect. Nimesulide. [Accessed 02 Apr. 2019] (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: Panacea Biotec Pharma Ltd
Address: B-1,Extn/A-27,Mohan Co-operative Industrial Estate Mathura Road, New Delhi-110044

Vendor Details

Country of origin: India

Lab tests offered by us

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