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Oncet-CF Tablet is a combination medicine used to treat symptoms of the common cold, such as a runny nose, blocked nose, sneezing, watery eyes, and nasal congestion. It also helps relieve related symptoms like headache, body aches, and fever.

Written By Dr. Swati Mishra, BDS,
Reviewed By Dr. Rajeev Sharma, MBA, MBBS,
Last updated on 10 Apr 2026 | 12:38 AM (IST)
₹60.5 MRP ₹65.638% off 
As per Ministry of Health and Family Welfare
 
 
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Oncet-CF  Tablet image
Oncet-CF  Tablet image
Oncet-CF  Tablet image
Oncet-CF  Tablet image

Product introduction

Oncet-CF Tablet should be taken with or without food, in the dose and duration as advised by your doctor. The dose will depend on your condition and how you respond to the medicine. Continue taking it for the full duration prescribed for the best result. Inform your doctor about all other medicines you are taking, as some may interact with this medicine.


The most common side effects include nausea, vomiting, headache, fatigue, dry mouth, and allergic reactions. Most of these are temporary and usually resolve with time. Contact your doctor immediately if you are concerned about any of these side effects. This medicine may also cause sleepiness, so do not drive or perform activities that require mental alertness until you know how the medicine affects you. Avoid drinking alcohol while taking this medicine, as it may increase sleepiness.


Never support self-medication or recommend your medicine to another person. It is beneficial to have plenty of fluids while taking this medication. Before taking this medicine, you should tell your doctor if you have any kidney or liver diseases so that your doctor can prescribe a suitable dose for you. You should also tell your doctor if you are pregnant, planning pregnancy, or breastfeeding.

Uses of Oncet-CF Tablet

  • Treatment of Common cold : Helps relieve symptoms of common cold such as sneezing, runny or blocked nose, sore throat, cough, and mild fever.

Benefits of Oncet-CF Tablet

Treatment of Common cold
Oncet-CF Tablet is a combination of medicines that effectively relieves symptoms of the common cold, such as blocked nose, runny nose, watery eyes, sneezing, and congestion or stuffiness. Oncet-CF Tablet helps 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.

Side effects of Oncet-CF 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 Oncet-CF
  • Sleepiness
  • Vomiting
  • Fatigue
  • Dryness in mouth
  • Headache
  • Constipation

How to use Oncet-CF 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. Oncet-CF Tablet may be taken with or without food.

How Oncet-CF Tablet works

Oncet-CF Tablet is a combination medicine that works through multiple mechanisms to relieve common cold symptoms. Cetirizine blocks histamine to reduce allergy symptoms such as sneezing and a runny nose, paracetamol reduces fever and pain, and phenylephrine constricts blood vessels in the nasal passages to relieve congestion and improve breathing.

Quick tips

  • Avoid alcohol and sedative medicines while using Oncet-CF Tablet, because they can increase drowsiness.
  • Do not combine Oncet-CF Tablet with other medicines that contain paracetamol for cold or fever, as this may increase the risk of overdose.
  • Some ingredients in Oncet-CF Tablet, such as decongestants, may raise blood pressure, so use caution if you have hypertension, heart disease, thyroid disease, or glaucoma.
  • Drink adequate fluids and consider supportive care such as steam inhalation, saline nasal spray, or warm fluids to help relieve congestion.
  • Stop using Oncet-CF Tablet and consult a doctor if you experience palpitations, severe headache, or marked restlessness.
  • Dry mouth may occur with Oncet-CF Tablet. Adequate hydration and maintaining good oral hygiene may help reduce discomfort.
  • If you have prostate enlargement or urinary problems, consult your doctor before using Oncet-CF Tablet because some decongestants may worsen urinary retention.
  • Oncet-CF Tablet is usually meant for short-term symptom relief. If symptoms persist, medical evaluation may be needed to rule out conditions such as sinusitis, allergy, or asthma.
  • Seek urgent medical care if you develop rash, facial swelling, or breathing difficulty while using Oncet-CF Tablet.

Safety advice

Alcohol

Alcohol

UNSAFE
Do not drink alcohol while you are taking this medicine. Oncet-CF Tablet may cause excessive drowsiness when taken with alcohol.
Pregnancy

Pregnancy

CONSULT YOUR DOCTOR
The safety of Oncet-CF 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

Breast feeding

CAUTION
Oncet-CF 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 Oncet-CF 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

UNSAFE
Oncet-CF Tablet is unsafe to use in patients with kidney disease and should be avoided.
Not recommended in patients with severe kidney disease. May cause excessive sleepiness in patients with end stage kidney disease.
Liver

Liver

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

Frequently asked questions

Oncet-CF Tablet is used to relieve symptoms of cough, cold, blocked nose, sneezing, fever, or throat irritation depending on the symptoms. It helps improve comfort but does not cure the infection causing the illness. Oncet-CF Tablet works through a combination of medicines that may include anti-allergy agents, decongestants, pain or fever reducers, and cough-control components. If breathing difficulty, wheezing, high fever, or persistent symptoms continue while using Oncet-CF Tablet, consult your doctor.
Oncet-CF Tablet should be used only as advised by your doctor. Its benefit depends on the ingredients in Oncet-CF Tablet, your symptoms, and your overall health condition. The medicines in Oncet-CF Tablet help reduce allergy symptoms, relieve nasal congestion, and control cough or fever, which improves comfort during illness. If you are unsure how Oncet-CF Tablet works for your symptoms, ask your doctor before changing how you use it.
Oncet-CF Tablet should be taken only in the dose and frequency recommended by your doctor. The appropriate schedule depends on the ingredients in Oncet-CF Tablet, your symptoms, and other health conditions. Taking it more often than advised may increase the risk of side effects. Always follow your doctor’s instructions and consult them before changing the dose.
Oncet-CF Tablet can cause side effects in some people, though many tolerate it well. Common effects may include stomach upset, nausea, dizziness, loose stools, drowsiness, or dry mouth depending on the ingredients. These effects are usually mild. Stop using Oncet-CF Tablet and contact your doctor if you develop severe rash, breathing difficulty, black stools, yellowing of the skin or eyes, or extreme sleepiness.
Oncet-CF Tablet is often easier on the stomach when taken after food, though the exact timing should follow your doctor’s advice. Taking it on an empty stomach may sometimes worsen acidity or stomach discomfort. Avoid very spicy or oily meals if they aggravate symptoms while using Oncet-CF Tablet. If you are unsure about food timing, check with your doctor.
It is usually better to avoid alcohol while using Oncet-CF Tablet. Alcohol may increase stomach upset, drowsiness, dehydration, or liver stress depending on the ingredients in Oncet-CF Tablet. These effects may feel stronger if hydration is poor. If you regularly drink alcohol, inform your doctor before continuing Oncet-CF Tablet.
Oncet-CF Tablet should be used only as advised by your doctor. Many cold medicines contain similar ingredients, so combining them without medical advice may lead to duplicate doses and increased side effects. Always inform your doctor about other medicines you are taking before adding another cold medicine.
The time it takes for Oncet-CF Tablet to start helping can vary depending on its ingredients, your symptoms, and your overall health condition. Many people begin to notice relief as the medicine starts reducing congestion, fever, or cough symptoms. If symptoms do not improve or become worse, consult your doctor rather than increasing the dose on your own.
If you miss a dose of Oncet-CF Tablet, take the next planned dose at the usual time unless your doctor has advised otherwise. Do not take two doses together to make up for the missed dose. If missed doses occur frequently, speak with your doctor about simplifying the dosing schedule.
Oncet-CF Tablet should be given to children only if a doctor has recommended it for that child. The appropriate dose depends on the child’s age, weight, and illness. Monitor the child after giving the medicine and seek medical help if the child becomes very sleepy, breathless, refuses fluids, or develops a rash.

Fact Box

Habit Forming

No

Therapeutic Class

RESPIRATORY
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User feedback

Twice A Day
100%
Others
34%
Fever
27%
Allergic conditions
14%
Headache
14%
Nasal congestion (blocked nose)
9%
Excellent
39%
Average
38%
Poor
23%
No Side Effect
65%
Sleepiness
6%
Mouth irritation
3%
Mouth ulcer
3%
Vomiting
3%
With food
83%
With or without food
14%
Empty stomach
3%
Average
37%
Expensive
35%
Not Expensive
28%
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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.

Marketer details

Name: Medley Pharmaceuticals
Address: Plot No. D2 Medley House,Street No. 6 M.I.D.C. Area, Andheri (East), Mumbai-400 093, INDIA

Vendor Details

Country of origin: India
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