diominic dca tablet - Caffeine (30mg) + Chlorpheniramine Maleate (4mg) medicine

Diominic DCA Tablet: Complete Medicine Guide

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🏭 Unison Pharmaceuticals Pvt Ltd 📦 Varies by brand 💊 Allopathy 📅 Updated: Sep 23, 2026
🤰 Pregnancy Category Not established from the available information. Consult your doctor if you are pregnant or planning to become pregnant. 📋 Prescription Required 💊 Generic Available
Medically Reviewed
12 min read
Evidence: Well-established for allergic conditions.
Reviewed by
SaathiMed Expert Panel | Sep 23, 2026

When to Call Your Doctor IMMEDIATELY

  • Blood in stool or vomit
  • Severe abdominal pain
  • Chest pain or difficulty breathing
  • Severe headache with visual changes
  • Sudden swelling of face, lips, or throat
  • Yellowing of skin or eyes
  • Decreased urine output
  • Irregular heartbeat or palpitations

If experiencing severe symptoms, call emergency services immediately.

What is diominic dca tablet used for?

This medicine is a combination of Caffeine and Chlorpheniramine Maleate used to treat allergic symptoms such as sneezing, runny nose, and itching. It works by blocking histamine and providing mild stimulation to reduce drowsiness.

  • Generic Name: Caffeine + Chlorpheniramine Maleate
  • Manufacturer: Unison Pharmaceuticals Pvt Ltd
  • Form: Allopathy
  • Pregnancy Category: Consult doctor
  • Prescription Required: Yes

🇮🇳 diominic dca tablet के बारे में (Hindi Summary)

उपयोग: यह दवा एलर्जी से होने वाले लक्षणों जैसे छींक आना, नाक बहना, खुजली और आंखों में पानी आना के इलाज के लिए इस्तेमाल की जाती है। इसमें कैफीन और क्लोरफेनिरामाइन मेलिएट होते हैं। क्लोरफेनिरामाइन हिस्टामिन को रोककर एलर्जी के लक्षणों को कम करता है, जबकि कैफीन नींद को कम करने में मदद करता है। यह दवा केवल डॉक्टर की सलाह पर ही लेनी चाहिए।

साइड इफेक्ट्स: इस दवा के सामान्य दुष्प्रभावों में नींद आना, चक्कर आना, मुंह सूखना, धुंधली दृष्टि, जी मिचलाना और कब्ज शामिल हैं। गंभीर दुष्प्रभाव दुर्लभ हैं लेकिन इनमें तेज धड़कन, भ्रम, मतली, और पेशाब में रुकावट हो सकती है। अगर कोई भी गंभीर लक्षण दिखे तो तुरंत डॉक्टर से संपर्क करें।

सुरक्षा सलाह: इस दवा को डॉक्टर के बताए अनुसार ही लें। खुद से मात्रा न बढ़ाएं। इस दवा के साथ शराब न लें क्योंकि इससे नींद और चक्कर बढ़ सकते हैं। जब तक आपको पता न चले कि यह दवा आप पर कैसा असर करती है, तब तक वाहन न चलाएं। अगर आपको ग्लूकोमा, प्रोस्टेट की समस्या, दिल की बीमारी या लीवर/किडनी की बीमारी है तो डॉक्टर को बताएं। बच्चों की पहुंच से दूर रखें।

💡 Did You Know? Over 80% of the antiretroviral drugs used globally to combat AIDS are supplied by Indian pharmaceutical companies.

💊 diominic dca tablet Uses & Benefits

[{"condition":"Allergic rhinitis","description":"Relieves sneezing, runny nose, itching, and watery eyes associated with seasonal or perennial allergies.","evidence":"Well-established"},{"condition":"Urticaria","description":"Reduces itching and hives caused by allergic reactions.","evidence":"Well-established"},{"condition":"Common cold","description":"Provides symptomatic relief of runny nose, sneezing, and watery eyes.","evidence":"Well-established"},{"condition":"Allergic conjunctivitis","description":"Helps reduce itching and redness of the eyes due to allergies.","evidence":"Moderate"}]

Off-label uses: [{"condition":"Insomnia due to allergies","description":"Sometimes used off-label for its sedative effects in allergic patients with sleep disturbance.","evidence":"Limited"},{"condition":"Motion sickness","description":"May be used off-label for prevention of motion sickness due to antihistamine effects.","evidence":"Limited"}]

Primary treatment for: Allergic rhinitis

Also treats: Urticaria, Common cold, Allergic conjunctivitis

📋 Drug Information

Generic Name(s)Caffeine + Chlorpheniramine Maleate
Brand NameAlmolet Tablet
ManufacturerUnison Pharmaceuticals Pvt Ltd
Packaging / FormVaries by brand (Allopathy)
Therapeutic ClassRESPIRATORY
Action ClassAntihistamine + CNS Stimulant
Route of AdministrationOral
StorageStore at room temperature between 15°C and 30°C (59°F to 86°F). Protect from light and moisture. Keep in the original container.
Shelf Life24 months from the date of manufacture.
WHO GuidelineNot established from the available information.
ICMR GuidelineNot established from the available information.

👨‍⚕️ Doctor's Practical Tips

Evidence-based practical advice from experienced clinicians

1
Take this medicine with food to reduce stomach upset.
2
Avoid driving or operating heavy machinery until you know how this medicine affects you.
3
Do not drink alcohol while taking this medicine as it can increase drowsiness.
4
Stay well hydrated throughout the day to reduce dry mouth.
5
Do not exceed the recommended dose; consult your doctor if symptoms persist beyond 7 days.
6
Inform your doctor if you have glaucoma, prostate enlargement, or heart disease before taking this medicine.

🔍 Is This Medicine Right for Your Symptom?

Educational reference. Always consult a doctor for diagnosis.

Sneezing
This medicine is commonly prescribed for this.
Likely Use
Runny nose
This medicine helps reduce runny nose.
Likely Use
Itching
This medicine relieves itching due to allergies.
Likely Use
Fever
This medicine is not a primary fever reducer.
Not Primary

🔬 How This Medicine Works (Pharmacology)

Pharmacokinetics

AbsorptionChlorpheniramine is well absorbed from the gastrointestinal tract after oral administration. Caffeine is also rapidly and completely absorbed from the gastrointestinal tract. Food may slightly delay absorption but does not significantly affect the extent.
DistributionChlorpheniramine is widely distributed throughout the body, including the central nervous system. Caffeine distributes rapidly into all body fluids and crosses the blood-brain barrier and placenta.
Protein BindingChlorpheniramine is approximately 70% bound to plasma proteins. Caffeine is about 10-35% bound to plasma proteins.
MetabolismChlorpheniramine is metabolized in the liver primarily by CYP2D6 and CYP3A4 enzymes. Caffeine is metabolized in the liver by CYP1A2, CYP2E1, and CYP3A4 into paraxanthine, theobromine, and theophylline.
Half-LifeChlorpheniramine: 12-43 hours (variable). Caffeine: 3-7 hours (may be longer in liver disease or with certain medications).
ExcretionChlorpheniramine and its metabolites are excreted mainly in the urine. Caffeine metabolites are excreted in urine, with about 1-2% of caffeine excreted unchanged.
BioavailabilityChlorpheniramine: approximately 25-50% due to first-pass metabolism. Caffeine: nearly 100%.
Onset of ActionChlorpheniramine: within 30-60 minutes. Caffeine: within 15-45 minutes.
Peak Plasma TimeChlorpheniramine: 2-6 hours. Caffeine: 15-120 minutes.
Duration of ActionChlorpheniramine: 4-6 hours (immediate release). Caffeine: 3-5 hours.

How It Works

This medicine combines two active ingredients. Chlorpheniramine Maleate is a first-generation antihistamine that competitively blocks histamine H1 receptors, reducing allergic symptoms such as sneezing, itching, and vasodilation. Caffeine is a central nervous system stimulant that antagonizes adenosine receptors, which helps counteract the sedative effects of chlorpheniramine and may enhance alertness.

Mechanism Steps

1
Histamine H1 receptor blockade: Chlorpheniramine binds to H1 receptors on smooth muscle and blood vessels, preventing histamine from causing allergic symptoms.
2
Anticholinergic effects: Chlorpheniramine also blocks muscarinic receptors, reducing secretions such as runny nose and tearing.
3
Adenosine receptor antagonism: Caffeine blocks adenosine receptors in the brain, leading to increased neuronal firing and release of neurotransmitters like dopamine and norepinephrine.
4
Counteraction of sedation: The stimulant effect of caffeine helps offset the drowsiness caused by chlorpheniramine, improving daytime alertness.

💡 How to Take diominic dca tablet

Strength: Each tablet contains Caffeine 30 mg and Chlorpheniramine Maleate 4 mg.

1Take this medicine orally with a glass of water.
2It can be taken with or without food.
3Swallow the tablet whole; do not crush or chew.
4Take it at the same times each day if prescribed on a regular schedule.
5Do not exceed the recommended dose.

Dosage Information

Adult DosageThe usual adult dose of this medicine is one tablet taken orally every 4 to 6 hours as needed for allergic symptoms, not to exceed 6 tablets in 24 hours. However, the exact dose and frequency must be individualized by a qualified clinician based on the indication, age, weight, renal and hepatic function, and response to treatment. Do not self-adjust the dose.
Pediatric DosagePediatric dosing is not established from available information. Consult a pediatrician.
Elderly DosageElderly patients may be more sensitive to the effects of chlorpheniramine, especially drowsiness, confusion, and anticholinergic effects. Use with caution and consider lower doses. Consult a doctor for individualized dosing.
Renal ImpairmentDose adjustment may be required in patients with renal impairment. Consult a doctor for individualized dosing.
Hepatic ImpairmentDose adjustment may be required in patients with hepatic impairment. Consult a doctor for individualized dosing.
Maximum Daily DoseThe maximum recommended daily dose for adults is 6 tablets in 24 hours. Do not exceed this dose without medical advice.

Dosage Timeline

🌅 Morning ❌ ☀️ Afternoon ❌ 🌆 Evening ❌ 🌙 Night ❌

🍽️ Food Timing Guide

With food
Take with meals
Reduces stomach upset.
Grapefruit
Avoid
May increase drug levels.
Caffeine-containing foods/beverages
Limit
May increase stimulant effects.

⏰ What to Do If You Miss a Dose

📌 Less than half the dosing interval has passed
→ Take the missed dose as soon as you remember.
💡 Continue with the regular schedule.
📌 More than half the dosing interval has passed
→ Skip the missed dose.
💡 Do not double dose to catch up.

⚠️ Side Effects of diominic dca tablet

✅ Common Side Effects

Drowsiness (Common (10-30%))
Avoid driving or operating machinery. If persistent, consult your doctor.
Dry mouth (Common (10-20%))
Sip water, chew sugarless gum, or use artificial saliva. Consult if severe.
Dizziness (Common (5-15%))
Rise slowly from sitting or lying position. Avoid alcohol.
Nausea (Uncommon (1-5%))
Take with food or milk to reduce stomach upset.
Constipation (Uncommon (1-5%))
Increase fiber and fluid intake. Consult if persistent.

🚨 Serious Side Effects

Severe allergic reaction (anaphylaxis) (Rare (<0.1%))
Seek emergency medical help if you experience rash, itching, swelling of face/lips/tongue, difficulty breathing.
Irregular heartbeat (arrhythmia) (Rare (<0.1%))
Contact your doctor immediately if you feel palpitations, chest pain, or shortness of breath.
Hallucinations or confusion (Rare (<0.1%))
Stop the medicine and seek medical attention if you experience unusual thoughts or confusion.
Urinary retention (Rare (<0.1%))
Consult your doctor if you are unable to urinate or have difficulty passing urine.

⚠️ Rare Side Effects

Blood dyscrasias (e.g., agranulocytosis, thrombocytopenia)
Report any unusual bruising, bleeding, or signs of infection to your doctor immediately.
Liver enzyme elevation
Regular monitoring may be needed if used long-term. Report yellowing of eyes or skin.

Consult your doctor if you experience any unusual symptoms.

🔬 Drug Interactions

Drug Severity Effect
MAOIs Major
Alcohol Major
Benzodiazepines Major
Fluoxetine Moderate
Ciprofloxacin Moderate
Anticholinergics Moderate
Cimetidine Minor
Oral contraceptives Minor
Grapefruit juice Moderate
Caffeine-containing products Moderate

🚨 Major Interactions

  • Monoamine oxidase inhibitors (MAOIs)
  • Alcohol
  • Other CNS depressants (e.g., benzodiazepines, opioids, sleep aids)

⚡ Moderate Interactions

  • CYP2D6 inhibitors (e.g., fluoxetine, paroxetine)
  • CYP1A2 inhibitors (e.g., ciprofloxacin, fluvoxamine)
  • Anticholinergic drugs (e.g., benztropine, oxybutynin)

🍷 Alcohol Interaction

Alcohol should be avoided while taking this medicine because it can increase drowsiness, dizziness, and impair motor skills. It may also increase the risk of severe CNS depression.

🔎 Check Your Other Medicines

Educational tool. Always confirm with your doctor or pharmacist.

🛡️ Safety & Warnings

🚫 Contraindications

["Hypersensitivity to chlorpheniramine, caffeine, or any component of the formulation.","Narrow-angle glaucoma.","Urinary retention or prostatic hypertrophy.","Severe liver disease.","Concurrent use with monoamine oxidase inhibitors (MAOIs).","Children under 12 years of age (unless directed by a doctor)."]

⚠️ Warnings & Precautions

["May cause drowsiness; avoid driving or operating machinery until you know how it affects you.","Avoid alcohol and other CNS depressants.","Use with caution in patients with asthma, COPD, or other respiratory conditions.","Use with caution in elderly patients due to increased risk of confusion and falls.","Do not use for longer than directed without medical advice.","Inform your doctor if you have thyroid disease, heart disease, hypertension, or diabetes.","Keep out of reach of children."]

🤱 Lactation Safety

Chlorpheniramine and caffeine are excreted in breast milk. Use with caution during breastfeeding as it may cause drowsiness or irritability in the infant. Consult your doctor before use.

💊 Overdose Management

Overdose may cause severe drowsiness, confusion, hallucinations, irregular heartbeat, seizures, or difficulty breathing. Seek immediate medical attention. Treatment is supportive and symptomatic. There is no specific antidote. Gastric lavage may be considered if ingestion is recent. Monitor vital signs and provide supportive care.

⏰ Missed Dose

If you miss a dose, take it as soon as you remember. If it is almost time for your next dose, skip the missed dose and continue with your regular schedule. Do not double the dose to catch up.

Additional Safety Advice

General Safety

Take this medicine exactly as prescribed by your doctor. Do not increase the dose or take it more frequently than recommended. Avoid alcohol and other central nervous system depressants while taking this medicine, as they can increase drowsiness and dizziness. Do not drive or operate heavy machinery until you know how this medicine affects you. Inform your doctor if you have glaucoma, prostate enlargement, thyroid problems, heart disease, or liver/kidney disease. Do not use this medicine for longer than directed without medical advice. Keep out of reach of children.

👴 Special Considerations for Elderly

💡 For Patients Above 65

Elderly patients are more susceptible to side effects such as drowsiness, confusion, dry mouth, and urinary retention. Use with caution and consider lower doses. Regular monitoring is advised.

🤰 Pregnancy Planning (TTC)

Consult your doctor if you are planning pregnancy or are pregnant. The safety of this medicine during pregnancy is not well established. Your doctor will weigh the benefits and risks.

🏥 Post-Surgery Considerations

Inform your surgeon and anesthesiologist if you are taking this medicine before surgery, as it may interact with anesthetic agents and cause excessive drowsiness.

🦷 Dental Procedures

Inform your dentist if you are taking this medicine, as it may cause dry mouth and interact with certain dental medications.

💚 Lifestyle Tips for Better Results

🏃
Identify and avoid allergens that trigger your symptoms.
🥗
Use air purifiers and keep windows closed during high pollen seasons.
😴
Maintain good hydration to reduce dry mouth.
💧
Get adequate rest to support immune function.
🧘
Practice stress-reduction techniques as stress can worsen allergies.

🏋️ Exercise Considerations

Avoid strenuous exercise or activities requiring alertness until you know how this medicine affects you, as it may cause drowsiness or dizziness.

🥗 Diet Recommendations

Include omega-3 rich foods like fish and flaxseed.
Reduce intake of processed foods and added sugars.
Stay well hydrated.
Limit caffeine intake from other sources.

💼 Impact on Daily Work & Life

This medicine may cause drowsiness, which can affect your ability to drive or operate machinery. Avoid such activities until you know how it affects you. It may also cause dry mouth, which can be managed with frequent sips of water.

🛑 When to Stop This Medicine

Stop taking this medicine and consult your doctor if you experience severe side effects, allergic reactions, or if your symptoms do not improve within 7 days. Do not stop abruptly if you have been taking it regularly for a long time without medical advice.

📅 Long-Term Use Effects

Long-term use of this medicine should be under medical supervision. Prolonged use of chlorpheniramine may lead to tolerance, dependence, and increased risk of side effects such as cognitive impairment. Regular monitoring of liver and kidney function may be advised. Do not use for longer than directed without consulting your doctor.

🌿 Non-Medicine Approaches

These can complement medicine but do not replace prescribed treatment.

Allergen avoidance

Identifying and avoiding triggers can reduce the need for medication.

Evidence: Well-established
Nasal saline irrigation

Helps clear allergens from nasal passages.

Evidence: Moderate
Immunotherapy

Allergy shots or sublingual tablets can provide long-term relief.

Evidence: Well-established

💉 Vaccination Considerations

💉 If You're Getting Vaccinated

No specific interactions with vaccines are established. However, consult your doctor before vaccination if you are taking this medicine.

📦 Storage Guide

✅ DO

Store at room temperature (15-30°C)

❌ DON'T

Do not refrigerate unless specified

✅ DO

Keep in original container

❌ DON'T

Do not transfer to unmarked containers

✅ DO

Keep away from direct sunlight

❌ DON'T

Do not store in bathroom cabinet

✈️ Traveling with This Medicine

When traveling, carry this medicine in its original packaging with a copy of your prescription. Store at room temperature and protect from light and moisture. If crossing time zones, adjust dosing schedule as advised by your doctor. Check customs regulations for carrying medications. Do not leave in hot cars or checked luggage.

💰 Cost Analysis & Savings

👥 Real Patient Stories

Educational, anonymized scenarios. Individual results may vary.

👤 A 35-year-old woman with seasonal allergic rhinitis
She was prescribed this medicine for sneezing and runny nose. She noticed relief within 30 minutes but felt drowsy initially. After a few days, the drowsiness reduced. She was advised to take it with food and avoid driving.
💡 Lesson: Taking this medicine with food and avoiding driving until you know its effects can improve tolerability and safety.
👤 A 50-year-old man with chronic urticaria
He used this medicine as needed for itching and hives. It provided significant relief but caused dry mouth. He was advised to sip water frequently and use sugarless gum. He was also cautioned about alcohol interaction.
💡 Lesson: Managing side effects like dry mouth with simple measures can help patients adhere to treatment.

💬 Questions Patients Often Ask

Q: How long does it take to work?

A: This medicine usually starts working within 30-60 minutes after oral administration.

Q: Can I take it on an empty stomach?

A: It can be taken with or without food, but taking it with food may reduce stomach upset.

Q: Is it safe to take with other allergy medicines?

A: Consult your doctor before combining with other antihistamines to avoid additive effects.

🤔 Common Patient Concerns

💭 These are the concerns patients most commonly raise

  • Can I take this medicine long-term?
  • Will it affect my kidney function?
  • Can I drive after taking this medicine?
  • Does it interact with my blood pressure medicine?
  • What if I miss a dose?
  • Can I drink alcohol while taking this?

🔄 Substitutes for diominic dca tablet

View All

Alternative brands with exact same active ingredient:

Medical Note: Always consult your doctor before switching medications.

🛑 Myths vs. Facts

  • Myth: This medicine is safe for everyone.
    Fact: It is not safe for individuals with certain conditions like glaucoma or urinary retention. Consult a doctor.
  • Myth: It can be taken long-term without any risk.
    Fact: Long-term use should be under medical supervision due to potential side effects.
  • Myth: It is a cure for allergies.
    Fact: It only provides symptomatic relief and does not cure the underlying allergy.

🔄 Alternative Options

Generic Alternatives

  • Caffeine + Chlorpheniramine Maleate Tablet

Brand Alternatives

  • Diominic DCA Tablet

📊 Comparison with Similar Medicines

[{"medicine":"Diominic DCA Tablet","composition":"Caffeine 30mg + Chlorpheniramine Maleate 4mg","uses":"Allergic rhinitis, urticaria, common cold","notes":"Combination provides allergy relief with reduced drowsiness."},{"medicine":"Chlorpheniramine Maleate Tablet","composition":"Chlorpheniramine Maleate 4mg","uses":"Allergic rhinitis, urticaria","notes":"May cause more drowsiness without caffeine."}]

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