This page contains brief details about the drug , it's indication, dosage & administaration, mechanism of action, related brands with strength, warnings and common side effects.

Background and Date of Approval

Nitric Oxide belongs to the medication class known as antimicrobial properties, it directly targets and neutralizes the SARS-CoV-2 virus. 

Mechanism of Action of undefined

Nitric Oxide nasal spray acts as both a physical and chemical barrier against the SARS-CoV-2 virus. Its proven antimicrobial properties directly neutralize the virus, preventing its incubation and spread to the lungs. 

Uses of undefined

Nitric Oxide is a nasal spray that is specifically formulated to destroy the COVID-19 virus in the upper airways. It is used in adult patients who are at a high risk of disease progression.

undefined Drug administaration and Dosage available

Read the label before use. Insert the bottle tip into one nostril while closing the other nostril. Direct the spray towards the sides of the nostril, away from the nasal cartilage. During the spraying process, maintain a gentle breath and keep your head upright. Repeat the same procedure for the other nostril. Your physician will decide the correct dosage and duration based on age, body weight, and disease condition. Only stop taking the tablet if your doctor advises you to stop.

Warnings, Precautions and Side Effects of undefined


Do not consume Nitric Oxide if you are allergic to Nitric Oxide or any of its ingredients in the medication. Notify your doctor if you have or have had a history of liver or kidney conditions. Always check the expiry date before consuming the medicine. 


It is unknown whether Nitric Oxide is harmful to the unborn baby. Notify your healthcare professional if you are pregnant, planning to have a baby think you may be pregnant or breastfeeding. It is unknown whether Nitric Oxide alters driving ability. However, if you experience side effects like tiredness or drowsiness, avoid driving and using machines.

Side Effects

  • No side effect are seen. 

Word Of Advice

Before starting the treatment, inform your doctor about all the underlying medical conditions. Do not stop the medicine until your doctor advises. Do not double-dose the medicine to make up for a forgotten dose. Notify your doctor if you experience any serious side effects. Contact your doctor for more information. This medication is specifically for nasal use and should not be applied to the eyes or ears. Please avoid using it in those areas.

Frequently Asked Question


  1. Monika Tandon et al., SARS-CoV-2 accelerated clearance using a novel nitric oxide nasal spray (NONS) treatment: A randomized trial, [Published: July 12, 2022] [Accessed on 27th June 2023],
  2. Stephen Winchester et al., Clinical efficacy of nitric oxide nasal spray (NONS) for the treatment of mild COVID-19 infection, [Accessed 29 August 2020]


The drug information on this page is not a substitute for medical advice. It is meant for educational purposes only. For further details, consult your doctor about your medical condition to know if you are eligible to receive this treatment.