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Prescription requiredUnison PharmaceuticalsAnalgesic and antipyretic, Cough and cold preparation, Analgesic adjuvant and Anti-allergic

Diominic Dca Tablet

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

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Diominic Dca Tablet is used for this medicine is used in the treatment of fever, headache, body ache, mild to moderate pain, cough, chest congestion, common cold symptoms, migraine, added to a painkiller to help it work, allergic rhinitis, hives and skin allergy, itching and allergic asthma.

Medically reviewed by Dr. Balaji Krishnan, MBBS · Updated September 2026

Licensed pharmacyPharmacist-verified order

Key details

Salt: Paracetamol (500mg) + Phenylephrine (10mg) + Caffeine (30mg) + Chlorpheniramine (4mg)
Available variants: tablet 500mg + 10mg + 30mg + 4mg 10`S
Best price: ₹35 (₹3.46 per tablet)
MRP: ₹36
Prescription: Required
Manufacturer: UNISON PHARMACEUTICALS

Ordering notes

Delivery details are shown when the medicine is back in stock.
Returns & refunds: orders can be cancelled before dispatch; after dispatch, returns depend on the item category. Read the full policy

Composition of Diominic Dca Tablet

Diominic Dca Tablet contains Paracetamol (500mg) + Phenylephrine (10mg) + Caffeine (30mg) + Chlorpheniramine (4mg). It belongs to the Para-aminophenol derivative, Expectorant / mucolytic / bronchodilator, Methylxanthine stimulant and Antihistamine / leukotriene antagonist class of medicines.

Uses of Diominic Dca Tablet

  • This medicine is used in the treatment of fever
  • headache
  • body ache
  • mild to moderate pain
  • cough
  • chest congestion
  • common cold symptoms
  • migraine
  • added to a painkiller to help it work
  • allergic rhinitis
  • hives and skin allergy
  • itching and allergic asthma.

Key benefits

  • The first choice for fever and everyday pain
  • Gentle on the stomach
  • unlike anti-inflammatory painkillers
  • Eases a chesty cough
  • Helps clear congestion
  • Helps the painkiller it is combined with act faster
  • Fast relief of sneezing
  • running nose and itching
  • Non-sedating options are available
  • Usually taken once a day

How Diominic Dca Tablet works

This medicine combines 4 active ingredients: Paracetamol, Phenylephrine, Caffeine and Chlorpheniramine. Paracetamol reduces fever and relieves pain by acting on the parts of the brain that regulate temperature and register pain. Phenylephrine loosens and thins the mucus in your airways so a cough clears it more easily, and eases the tightness that comes with congestion. Caffeine is added to a painkiller to help it start working sooner and work a little better. It is a mild stimulant and does not relieve pain by itself. Chlorpheniramine blocks the chemical messengers your body releases during an allergic reaction, which relieves sneezing, a running nose, watering eyes and itching.

How to take Diominic Dca Tablet

Swallow the tablet whole with a glass of water. Do not chew, crush or break it unless your doctor has told you to. Take it with or without food. Taking it at about the same time each day helps you remember. Follow the dose and the duration written on your prescription.

Take it exactly as your doctor prescribed. Do not change the dose or stop early on your own.

Missed dose and overdose

If you miss a dose

Take it as soon as you remember. If your next dose is almost due, skip the one you missed — never take two doses together to catch up.

If you take too much

An overdose of this medicine can cause severe and sometimes fatal liver damage, often with no symptoms at all for the first day. It can cause vomiting, severe drowsiness, a racing heart and, with codeine, dangerously slow breathing. It can cause a racing heart, tremor, vomiting and agitation. It can cause severe drowsiness, a fast heartbeat, confusion and, in children, agitation and fits. Do not wait for symptoms to appear — go to the nearest emergency department and take the pack or strip with you.

Side effects of Diominic Dca Tablet

Most side effects of Diominic Dca are mild and settle as the body adjusts. Reported side effects include:

  • Nausea
  • Rash
  • Vomiting
  • Stomach upset
  • Drowsiness
  • Tremor
  • Fast heartbeat
  • Restlessness
  • Difficulty sleeping
  • Fast or thumping heartbeat
  • Dry mouth
  • Headache
  • Tiredness

Stop the medicine and seek help immediately for a rash, swelling of the face or lips, wheezing or difficulty breathing. Tell your doctor about any side effect that persists or worries you.

Safety advice for Diominic Dca Tablet

PregnancyConsult your doctor before using this in pregnancy.
BreastfeedingConsult your doctor before using this while breastfeeding.
AlcoholDo not drink alcohol while taking this medicine.
DrivingMay cause drowsiness or affect your concentration. Do not drive until you know how it affects you.
KidneyUse with caution if you have kidney disease — your doctor may adjust the dose or monitor your kidney function.
LiverConsult your doctor if you have liver disease.
Habit formingNo

Warnings and precautions

Never exceed the daily maximum printed on the pack. Paracetamol overdose damages the liver, and the damage can be silent for a day or two before it becomes serious. Check every other medicine you are taking. Paracetamol is in a very large number of cold, flu and pain combinations, and the doses add together. If you drink alcohol regularly, or have liver disease, ask your doctor what daily limit is safe for you. See a doctor if fever lasts more than three days, or pain more than five. See a doctor if a cough lasts more than a week, or comes with fever, breathlessness, chest pain or blood in the sputum. Do not give cough and cold preparations to young children except on a doctor's advice. Do not combine two cough preparations — they frequently contain the same ingredients, and the doses add up. Preparations containing codeine can cause dependence and must be used only for the period your doctor specifies. Count your tea, coffee and cola for the day — the caffeine in this medicine adds to them. Taken late in the day it can keep you awake. Painkillers with caffeine taken most days can themselves cause a daily headache. If you are reaching for them more than twice a week, see a doctor rather than taking more. Older antihistamines cause marked drowsiness — do not drive or operate machinery until you know how this affects you. Tell your doctor promptly about any change in mood, sleep, agitation or unusual thoughts while taking montelukast; this is uncommon but recognised. This relieves the symptoms of an allergy; it does not treat the cause, and it is not a treatment for an acute asthma attack. Seek emergency care for swelling of the lips, tongue or throat, or difficulty breathing.

Do not take Diominic Dca if

Not for anyone with a known allergy to this medicine or to any ingredient in the pack. Not for people with severe liver disease, except under medical supervision. Codeine-containing preparations are not for children, or for anyone with breathing difficulty. Not for anyone with an uncontrolled heart rhythm problem, unless a doctor has said otherwise. The sedating antihistamines are not suitable for very young children, or for people with glaucoma or an enlarged prostate, without medical advice.

Interactions with other medicines

Regular alcohol use increases the risk of liver injury. Tell your doctor if you are on warfarin — regular high-dose paracetamol can affect it. Sedating ingredients add to the effect of alcohol and sleeping tablets. Decongestants such as phenylephrine and pseudoephedrine can raise blood pressure — tell your doctor if you are hypertensive. Tell your doctor if you take medicines for asthma, a heart rhythm problem, or an antibiotic of the ciprofloxacin family — caffeine lasts longer alongside some of them. Alcohol, sleeping tablets and other sedating medicines add to the drowsiness. Tell your doctor about all cold and cough preparations — many already contain an antihistamine.

How to store Diominic Dca Tablet

Store below 30°C in the original pack, away from direct sunlight and moisture. Keep out of the reach of children.

Expert advice for Diominic Dca Tablet

Take the lowest dose that works, and leave the stated gap between doses. Seek help immediately after a suspected overdose, even if you feel completely well — treatment works best when it is early. Drink plenty of water — it thins mucus better than any syrup. Steam inhalation helps congestion and costs nothing. Measure the dose with the cup supplied. Avoid taking it in the evening if it disturbs your sleep. Cutting down suddenly after taking it daily can itself cause a headache for a day or two. Taking it at bedtime reduces the impact of any drowsiness. Identify and avoid your triggers where you can — dust, pollen, cold air.

Manufacturer and class

Manufacturer:
UNISON PHARMACEUTICALS
Therapeutic class:
Analgesic and antipyretic, Cough and cold preparation, Analgesic adjuvant and Anti-allergic
Drug class:
Para-aminophenol derivative, Expectorant / mucolytic / bronchodilator, Methylxanthine stimulant and Antihistamine / leukotriene antagonist

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Diominic Dca Tablet FAQs

What is Diominic Dca Tablet used for?
Diominic Dca Tablet is commonly used for This medicine is used in the treatment of fever, headache, body ache, mild to moderate pain, cough, chest congestion, common cold symptoms, migraine, added to a painkiller to help it work, allergic rhinitis, hives and skin allergy, itching and allergic asthma. Always follow your doctor's advice, this information is for educational purposes and not a substitute for professional medical guidance.
What is the salt in Diominic Dca Tablet?
Diominic Dca Tablet contains Paracetamol (500mg) + Phenylephrine (10mg) + Caffeine (30mg) + Chlorpheniramine (4mg). If you are allergic to any of these active ingredients or excipients, do not take this medicine and speak to your doctor first.
How should I take Diominic Dca Tablet?
Swallow the tablet whole with a glass of water. Take it exactly as prescribed; do not change the dose or stop early without talking to your doctor.
How does Diominic Dca Tablet work?
This medicine combines 4 active ingredients: Paracetamol, Phenylephrine, Caffeine and Chlorpheniramine.
Is Diominic Dca Tablet a prescription medicine?
Yes. Diominic Dca Tablet is a prescription-only (Rx) medicine. Upload a valid prescription from a registered medical practitioner during checkout. We cannot dispense it without a valid Rx.
What are the common side effects of Diominic Dca Tablet?
The side effects reported most often with Diominic Dca are Nausea, Rash, Vomiting, Stomach upset, Drowsiness. Most are mild and settle as the body adjusts; tell your doctor if any of them persist or worry you, and stop the medicine and seek help at once for a rash, swelling of the face or lips, or difficulty breathing.
Can Diominic Dca Tablet be taken during pregnancy?
Consult your doctor before using this in pregnancy. Always tell your doctor if you are pregnant, planning a pregnancy or breastfeeding before starting Diominic Dca.
Can I drink alcohol while taking Diominic Dca Tablet?
Do not drink alcohol while taking this medicine.
What if I miss a dose of Diominic Dca Tablet?
Take it as soon as you remember.
Is Diominic Dca Tablet habit forming?
No. Diominic Dca Tablet is not known to be habit forming when taken as prescribed.
How much does Diominic Dca Tablet cost on PingMeDoc Pharmacy?
Diominic Dca Tablet starts at ₹35 (MRP ₹36) on PingMeDoc Pharmacy. Available in tablet 500mg + 10mg + 30mg + 4mg 10`S. Final price is confirmed at checkout and may vary by variant and location.
Who manufactures Diominic Dca Tablet?
Diominic Dca Tablet is manufactured by UNISON PHARMACEUTICALS. PingMeDoc Pharmacy sources medicines only from licensed manufacturers and distributors.
How is Diominic Dca Tablet delivered?
Diominic Dca Tablet is delivered across India via our licensed pharmacy partners. Standard delivery timelines are confirmed at checkout. Chennai customers can opt for chargeable same-city express delivery.

Diominic Dca Tablet, Quick facts

Salt
Paracetamol (500mg) + Phenylephrine (10mg) + Caffeine (30mg) + Chlorpheniramine (4mg)
Form
tablet
Best price
₹35 (₹3.46 per tablet)
MRP
₹36
Prescription
Required (Rx)
Schedule
Schedule H
Brand
UNISON PHARMACEUTICALS
Manufacturer
UNISON PHARMACEUTICALS
Therapeutic class
Analgesic and antipyretic, Cough and cold preparation, Analgesic adjuvant and Anti-allergic
Drug class
Para-aminophenol derivative, Expectorant / mucolytic / bronchodilator, Methylxanthine stimulant and Antihistamine / leukotriene antagonist
Habit forming
No
Variants
tablet 500mg + 10mg + 30mg + 4mg 10`S
Delivery
Standard across India

References

The information on Diominic Dca Tablet is compiled from the manufacturer's prescribing information and the sources below, and is reviewed by a registered medical practitioner. It does not replace advice from your own doctor.

  1. PingMeDoc clinical monograph library — compiled from Indian package inserts, the Indian Pharmacopoeia
  2. CDSCO schedules and standard pharmacology references. Reviewed for patient readability. This is general information, not a substitute for your doctor's advice.
  3. Central Drugs Standard Control Organisation (CDSCO), Ministry of Health & Family Welfare, Government of India, approved drug and schedule listings.
  4. National List of Essential Medicines (NLEM) 2022, Government of India.
  5. Manufacturer's package insert / prescribing information for Diominic Dca Tablet.
  6. World Health Organization, ATC/DDD classification and Model Formulary for the active ingredient.

Next steps

Safety disclaimer

Product information is for general awareness and does not replace professional medical advice. Always follow a clinician's guidance and upload a valid prescription when required.