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Diominic Dca Tablet is used to treat common cold symptoms. It provides temporary relief from stuffiness in the nose. It also helps to relieve allergy symptoms like runny nose and watery eyes.

Written By Dr. Syeda Aafia, MBA, BDS,
Reviewed By Dr. Sachin Gupta, MD Pharmacology, MBBS,
Last updated on 16 Mar 2026 | 04:08 PM (IST)
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10 tablets
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General Information

Contains

Caffeine (30mg)+ Chlorpheniramine Maleate (4mg)+ Paracetamol (500mg)+ Phenylephrine (10mg)

Marketer

Unison Pharmaceuticals Pvt Ltd

Storage

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

Product introduction

Diominic Dca Tablet is taken with or without food in a dose and duration as advised by the doctor. It is better to take it with food to avoid stomach upset. 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, vomiting, headache, restlessness, and insomnia. 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 kidney or 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.

Uses of Diominic Dca Tablet

Benefits of Diominic Dca Tablet

Treatment of Common cold
Diominic Dca Tablet is a combination of medicines 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. It 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 Diominic Dca 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 Diominic Dca
  • Headache
  • Tachycardia
  • Palpitations
  • Dizziness
  • Fear
  • Restlessness
  • Anxiety
  • Tremors
  • Insomnia (difficulty in sleeping)
  • Nausea
  • Weakness
  • Discomfort when urinating
  • Hallucination
  • Convulsion

How to use Diominic Dca 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. Diominic Dca Tablet may be taken with or without food.

How Diominic Dca Tablet works

Diominic Dca Tablet is a combination of four medicines: Caffeine, Chlorpheniramine Maleate, Paracetamol, and Phenylephrine, which relieves common cold symptoms.

Quick tips

  • Diominic Dca 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.
  • Inform your doctor if you are taking any other medications for cold.
  • Call your doctor if your symptoms have not improved within seven days of treatment or if you develop a fast, pounding, or uneven heartbeat, severe dizziness or anxiety, severe headache, fever, or rash.
  • Inform your doctor if you are taking any antidepressants.
  • Along with taking Diominic Dca 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 Diominic Dca Tablet. Please consult your doctor.
Pregnancy

Pregnancy

CONSULT YOUR DOCTOR
Diominic Dca Tablet is not recommended during pregnancy as there is positive evidence of fetal risk based on animal studies. However, it may still be prescribed by a doctor in situations where the benefits outweigh the risks.
Breast feeding

Breast feeding

CONSULT YOUR DOCTOR
Diominic Dca 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
Diominic Dca Tablet may decrease alertness, affect your vision, or make you feel sleepy and dizzy. Do not drive if these symptoms occur.
Kidney

Kidney

CAUTION
Diominic Dca Tablet should be used with caution in patients with severe kidney disease. Dose adjustment may be needed.
Use of Diominic Dca Tablet may cause excessive sleepiness in patients with end stage kidney disease.
Liver

Liver

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

Frequently asked questions

Diominic Dca Tablet is a combination of four medicines: Caffeine, Chlorpheniramine, Paracetamol and Phenylephrine. This combination is helpful in relieving the symptoms of cold. These symptoms may include body ache, headache, fatigue, fever, watery eyes, sneezing, cough, sore throat, and runny and stuffy nose.
Diominic Dca Tablet contains caffeine. So, it is preferable to avoid medicines or food that contain caffeine. Foods like coffee, tea, cola drinks and chocolate should be avoided as they may add to your total caffeine intake. Increased caffeine intake can cause difficulty in sleeping, you may experience tremors and/or have chest discomfort. Also, avoid drinking alcohol (beer, wine, etc.) while taking this medicine.
Store your medicines in a cool dry place and keep them in the original pack or container until it is time to take them. Store them out of sight and reach of children. Unused medicines should be disposed of in special ways to ensure that pets, children and other people cannot consume them.
Serious side effects with Diominic Dca Tablet are uncommon and rare. Tell your doctor as soon as possible if you notice allergic reactions, skin rash or peeling, mouth ulcers, breathing problems, unexplained bleeding, recurrent fevers or infections, vision disturbances, fast or irregular heartbeat.
No, taking a higher than the recommended dose may not be more effective, rather it may increase the chances of having serious side effects and toxicity. If the recommended doses do not relieve your symptoms or there is an increased severity of your symptoms, please consult your doctor.
It is not recommended to use Diominic Dca Tablet if you have high blood pressure (hypertension), any underlying serious heart condition or cardiovascular disorder, any history of stomach ulcers or overactive thyroid (hyperthyroidism). However, it can be taken if advised by the doctor. Its use should also be avoided if you are taking antidepressant drugs. These drugs, called monoamine oxidase inhibitors (MAOIs), may include phenelzine and isocarboxazid or tricyclic antidepressants like imipramine and amitriptyline.
No, it is not advisable to breastfeed while using Diominic Dca Tablet. This medicine contains Chlorpheniramine, an antihistamine which can pass into the breast milk and may harm the baby. Inform your doctor that you are breastfeeding if you are advised to take this medicine.
Diominic Dca Tablet is a combination of four medicines: Caffeine, Chlorpheniramine, Paracetamol and Phenylephrine. This combination is helpful in relieving the symptoms of cold. These symptoms may include body ache, headache, fatigue, fever, watery eyes, sneezing, cough, sore throat, and runny and stuffy nose.
Diominic Dca Tablet contains caffeine. So, it is preferable to avoid medicines or food that contain caffeine. Foods like coffee, tea, cola drinks and chocolate should be avoided as they may add to your total caffeine intake. Increased caffeine intake can cause difficulty in sleeping, you may experience tremors and/or have chest discomfort. Also, avoid drinking alcohol (beer, wine, etc.) while taking this medicine.
Serious side effects with Diominic Dca Tablet are uncommon and rare. Tell your doctor as soon as possible if you notice allergic reactions, skin rash or peeling, mouth ulcers, breathing problems, unexplained bleeding, recurrent fevers or infections, vision disturbances, fast or irregular heartbeat.
No, taking a higher than the recommended dose may not be more effective, rather it may increase the chances of having serious side effects and toxicity. If the recommended doses do not relieve your symptoms or there is an increased severity of your symptoms, please consult your doctor.
It is not recommended to use Diominic Dca Tablet if you have high blood pressure (hypertension), any underlying serious heart condition or cardiovascular disorder, any history of stomach ulcers or overactive thyroid (hyperthyroidism). However, it can be taken if advised by the doctor. Its use should also be avoided if you are taking antidepressant drugs. These drugs, called monoamine oxidase inhibitors (MAOIs), may include phenelzine and isocarboxazid or tricyclic antidepressants like imipramine and amitriptyline.
No, it is not advisable to breastfeed while using Diominic Dca Tablet. This medicine contains Chlorpheniramine, an antihistamine which can pass into the breast milk and may harm the baby. Inform your doctor that you are breastfeeding if you are advised to take this medicine.
Store your medicines in a cool dry place and keep them in the original pack or container until it is time to take them. Store them out of sight and reach of children. Unused medicines should be disposed of in special ways to ensure that pets, children and other people cannot consume them.
Diominic Dca Tablet is a combination of four medicines: Caffeine, Chlorpheniramine, Paracetamol and Phenylephrine. This combination is helpful in relieving the symptoms of cold. These symptoms may include body ache, headache, fatigue, fever, watery eyes, sneezing, cough, sore throat, and runny and stuffy nose.
Diominic Dca Tablet contains caffeine. So, it is preferable to avoid medicines or food that contain caffeine. Foods like coffee, tea, cola drinks and chocolate should be avoided as they may add to your total caffeine intake. Increased caffeine intake can cause difficulty in sleeping, you may experience tremors and/or have chest discomfort. Also, avoid drinking alcohol (beer, wine, etc.) while taking this medicine.
Serious side effects with Diominic Dca Tablet are uncommon and rare. Tell your doctor as soon as possible if you notice allergic reactions, skin rash or peeling, mouth ulcers, breathing problems, unexplained bleeding, recurrent fevers or infections, vision disturbances, fast or irregular heartbeat.
No, taking a higher than the recommended dose may not be more effective, rather it may increase the chances of having serious side effects and toxicity. If the recommended doses do not relieve your symptoms or there is an increased severity of your symptoms, please consult your doctor.
It is not recommended to use Diominic Dca Tablet if you have high blood pressure (hypertension), any underlying serious heart condition or cardiovascular disorder, any history of stomach ulcers or overactive thyroid (hyperthyroidism). However, it can be taken if advised by the doctor. Its use should also be avoided if you are taking antidepressant drugs. These drugs, called monoamine oxidase inhibitors (MAOIs), may include phenelzine and isocarboxazid or tricyclic antidepressants like imipramine and amitriptyline.
No, it is not advisable to breastfeed while using Diominic Dca Tablet. This medicine contains Chlorpheniramine, an antihistamine which can pass into the breast milk and may harm the baby. Inform your doctor that you are breastfeeding if you are advised to take this medicine.
Store your medicines in a cool dry place and keep them in the original pack or container until it is time to take them. Store them out of sight and reach of children. Unused medicines should be disposed of in special ways to ensure that pets, children and other people cannot consume them.

Fact Box

Habit Forming

No

Therapeutic Class

RESPIRATORY

References

  1. Chlorpheniramine Maleate [Prescribing Information]. Ahmedabad, Gujarat: SAGA Lifesciences Ltd.; 2021 [Accessed 12 Nov. 2025] (online). Available from:
  2. Picon PD, Costa MB, da Veiga Picon R, et al. Symptomatic treatment of the common cold with a fixed-dose combination of paracetamol, chlorphenamine and phenylephrine: a randomized, placebo-controlled trial. BMC Infect Dis. 2013;13:556 [Accessed 10 Jan. 2026]. Available from:
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User feedback

Twice A Day
53%
Once A Day
24%
Thrice A Day
22%
Others
46%
Nasal congestion (blocked nose)
25%
Fever
13%
Headache
8%
Allergic conditions
4%
Average
43%
Excellent
41%
Poor
15%
No Side Effect
64%
Insomnia (difficulty in sleeping)
8%
Restlessness
8%
Nausea
5%
Dehydration
3%
With food
73%
With or without food
19%
Empty stomach
8%
Average
40%
Not Expensive
34%
Expensive
26%
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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: Unison Pharmaceuticals Pvt Ltd
Address: Unison Pharmaceuticals Pvt. Ltd., "UNISON HOUSE" Near Prernatirth Derasar, Near Ratnadeep-II, Satellite, Jodhpur, Ahmedabad-380 015, GUJARAT, INDIA.

Vendor Details

Country of origin: India
A licensed vendor partner from your nearest location will deliver Diominic Dca Tablet. Once the pharmacy accepts your order, the details of the pharmacy will be shared with you. Acceptance of your order is based on the validity of your doctor's â„ž and the availability of this medicine.

In case of any issues, contact us

Email ID: [email protected]
Phone Number: 0124-4166666
Address: 5th Floor Tower - B of the Presidency Building, 46/4 Mehrauli Gurgaon Road, Sector 14, Gurugram, Haryana-122001, India

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Most medicines cannot be sold without a valid prescription, as per the Drugs and Cosmetics Act, 1940 and Rules, 1945
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