ntkold-plus tablet - Caffeine (25mg) + Chlorpheniramine Maleate (4mg) medicine

Damkof Tablet: Complete Guide to Uses, Side Effects, and Safety

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🏭 Jonas Pharmaceuticals Pvt Ltd 📦 Varies by brand 💊 Allopathy 📅 Updated: Sep 25, 2026
🤰 Pregnancy Category Chlorpheniramine Maleate is classified as Pregnancy Category B by the FDA. Caffeine is classified as Category C. However, this medicine should be used during pregnancy only if clearly needed and prescribed by a doctor. Avoid use in the first trimester and near term due to potential risks. 📋 Prescription Required 💊 Generic Available
Medically Reviewed
11 min read
Evidence: Moderate
Reviewed by
SaathiMed Expert Panel | Sep 25, 2026

When to Call Your Doctor IMMEDIATELY

  • Difficulty breathing or swelling of the face, lips, tongue, or throat
  • Irregular or fast heartbeat
  • Severe dizziness or fainting
  • Hallucinations or confusion
  • Inability to urinate
  • Seizures
  • Yellowing of skin or eyes
  • Severe abdominal pain

If experiencing severe symptoms, call emergency services immediately.

What is ntkold-plus 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 (25mg) + Chlorpheniramine Maleate (4mg)
  • Manufacturer: Jonas Pharmaceuticals Pvt Ltd
  • Form: Allopathy
  • Pregnancy Category: Consult doctor
  • Prescription Required: Yes

🇮🇳 ntkold-plus tablet के बारे में (Hindi Summary)

उपयोग: यह दवा एलर्जी से जुड़े लक्षणों जैसे छींक आना, नाक बहना, आंखों में खुजली और पानी आना, और त्वचा पर खुजली के इलाज में उपयोग की जाती है। इसमें कैफीन और क्लोरफेनिरामाइन मेलिएट होते हैं, जो एलर्जी के लक्षणों को कम करने में मदद करते हैं। यह दवा डॉक्टर की सलाह के अनुसार ही लेनी चाहिए।

साइड इफेक्ट्स: इस दवा के सामान्य दुष्प्रभावों में नींद आना, चक्कर आना, मुंह सूखना, धुंधला दिखना, जी मिचलाना और कब्ज शामिल हैं। कुछ लोगों को बेचैनी या घबराहट भी हो सकती है। गंभीर दुष्प्रभाव दुर्लभ हैं, लेकिन यदि आपको सांस लेने में कठिनाई, दिल की धड़कन तेज होना, या गंभीर एलर्जी हो तो तुरंत डॉक्टर से संपर्क करें।

सुरक्षा सलाह: इस दवा को डॉक्टर के बताए अनुसार ही लें। इसकी मात्रा से अधिक न लें। इस दवा को लेने के बाद नींद आ सकती है, इसलिए वाहन चलाने या मशीन चलाने से बचें। शराब का सेवन न करें। यदि आपको ग्लूकोमा, प्रोस्टेट की समस्या, हृदय रोग, उच्च रक्तचाप या थायरॉइड की समस्या है तो डॉक्टर को बताएं। बच्चों की पहुंच से दूर रखें।

💡 Did You Know? The first generic medicine was introduced in India in 1970 after the Patents Act was amended.

💊 ntkold-plus tablet Uses & Benefits

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

Off-label uses: [{"condition":"Motion sickness","description":"Sometimes used off-label to prevent nausea and vomiting associated with motion sickness due to antihistamine effects.","evidence":"Limited"},{"condition":"Insomnia due to allergies","description":"Occasionally used off-label for its sedative effects to help with sleep in patients with allergic symptoms.","evidence":"Limited"}]

Primary treatment for: Allergic rhinitis

Also treats: Urticaria, Common cold, Allergic conjunctivitis

📋 Drug Information

Generic Name(s)Caffeine (25mg) + Chlorpheniramine Maleate (4mg)
Brand Namentkold-plus tablet
ManufacturerJonas Pharmaceuticals Pvt Ltd
Packaging / FormVaries by brand (Allopathy)
Therapeutic ClassRESPIRATORY
Action Class
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 or milk to reduce the risk of stomach upset.
2
Avoid driving or operating heavy machinery until you know how this medicine affects your alertness.
3
Do not consume alcohol or other CNS depressants while taking this medicine.
4
Limit your intake of caffeine-containing foods and beverages to avoid excessive stimulation.
5
Consult your doctor if symptoms persist beyond 7 days or worsen.
6
Inform your doctor if you have glaucoma, prostate enlargement, heart disease, or high blood pressure before taking this medicine.
7
Do not exceed the recommended dose; taking more can increase the risk of side effects.

🔍 Is This Medicine Right for Your Symptom?

Educational reference. Always consult a doctor for diagnosis.

✅
Sneezing and runny nose
This medicine is commonly prescribed for allergic rhinitis.
Likely Use
✅
Itchy, watery eyes
This medicine helps relieve allergic conjunctivitis symptoms.
Likely Use
❌
Fever
This medicine is not a primary fever reducer.
Not Primary
❌
Cough
This medicine is not indicated for cough relief.
Not Primary

🔬 How This Medicine Works (Pharmacology)

Pharmacokinetics

AbsorptionChlorpheniramine Maleate 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 the absorption of both components but does not significantly affect the extent of absorption.
DistributionChlorpheniramine Maleate is widely distributed throughout the body, including the central nervous system. It crosses the blood-brain barrier and the placenta. Caffeine also distributes widely, crossing the blood-brain barrier and placenta, and is distributed into breast milk.
Protein BindingChlorpheniramine Maleate is approximately 70% bound to plasma proteins. Caffeine is about 25% bound to plasma proteins.
MetabolismChlorpheniramine Maleate is primarily metabolized in the liver via cytochrome P450 enzymes, including CYP2D6, to inactive metabolites. Caffeine is metabolized in the liver by CYP1A2 to paraxanthine, theobromine, and theophylline.
Half-LifeThe elimination half-life of Chlorpheniramine Maleate is approximately 12 to 43 hours in adults. The elimination half-life of Caffeine is approximately 3 to 7 hours in adults.
ExcretionChlorpheniramine Maleate and its metabolites are primarily excreted in the urine. Caffeine and its metabolites are also excreted mainly in the urine.
BioavailabilityChlorpheniramine Maleate has an oral bioavailability of approximately 25% to 50%. Caffeine has an oral bioavailability of nearly 100%.
Onset of ActionThe onset of action for Chlorpheniramine Maleate is typically within 30 to 60 minutes after oral administration. Caffeine's stimulant effects begin within 15 to 30 minutes.
Peak Plasma TimePeak plasma concentrations of Chlorpheniramine Maleate are reached in about 2 to 6 hours. Caffeine reaches peak plasma levels in about 30 to 60 minutes.
Duration of ActionThe antihistaminic effect of Chlorpheniramine Maleate lasts about 4 to 6 hours, while the stimulant effect of Caffeine lasts about 3 to 5 hours.

How It Works

This medicine combines two active ingredients. Chlorpheniramine Maleate is a first-generation antihistamine that competitively blocks histamine H1 receptors on effector cells, thereby preventing histamine-mediated allergic responses such as vasodilation, increased vascular permeability, and sensory nerve stimulation. Caffeine is a central nervous system stimulant that acts as an adenosine receptor antagonist, which increases neuronal activity and the release of neurotransmitters like dopamine and norepinephrine. The addition of caffeine helps to reduce the sedative effects of chlorpheniramine, making the combination more suitable for daytime use in some patients.

Mechanism Steps

1
Histamine H1 receptor blockade: Chlorpheniramine Maleate binds to histamine H1 receptors on cells in the respiratory tract, blood vessels, and skin, preventing histamine from binding and triggering allergic responses.
2
Reduction of allergic symptoms: By blocking H1 receptors, chlorpheniramine reduces sneezing, nasal congestion, itching, and watery eyes associated with allergic reactions.
3
Adenosine receptor antagonism: Caffeine blocks adenosine A1 and A2A receptors in the brain, leading to increased release of excitatory neurotransmitters and mild central nervous system stimulation.
4
Counteraction of sedation: The stimulant effect of caffeine helps to reduce the drowsiness caused by chlorpheniramine, allowing for better daytime functioning in some patients.

💡 How to Take ntkold-plus tablet

Strength: Each immediate-release oral tablet contains Caffeine 25 mg and Chlorpheniramine Maleate 4 mg.

1Take this medicine orally with a glass of water.
2It can be taken with or without food, but taking it with food may reduce stomach upset.
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.
6If you miss a dose, follow the missed dose instructions.

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-medicate or exceed the recommended dose without medical advice.
Pediatric DosagePediatric dosing is not established from available information. Consult a pediatrician.
Elderly DosageElderly patients (above 65 years) may be more sensitive to the effects of this medicine, especially drowsiness, confusion, and anticholinergic effects. Use with caution and consider lower doses. Dose must be individualized by a qualified clinician.
Renal ImpairmentIn patients with renal impairment, caution is advised as both components are excreted by the kidneys. Dose adjustment may be necessary based on creatinine clearance. Consult a doctor for individualized dosing.
Hepatic ImpairmentIn patients with hepatic impairment, the metabolism of both Chlorpheniramine Maleate and Caffeine may be reduced. Use with caution and consider dose reduction. 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 supervision.

Dosage Timeline

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

🍽️ Food Timing Guide

With food
Take with meals or snacks
Reduces stomach upset and nausea.
Caffeine-containing foods and beverages
Limit intake
May increase stimulant side effects like nervousness and insomnia.
Grapefruit juice
Avoid excessive consumption
May increase drug levels and side 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 ntkold-plus tablet

✅ Common Side Effects

Drowsiness (Common (10-20%))
Avoid driving or operating machinery. If drowsiness persists or interferes with daily activities, consult your doctor.
Dry mouth (Common (5-15%))
Sip water frequently, chew sugar-free gum, or use saliva substitutes. Consult doctor if severe.
Dizziness (Common (5-10%))
Rise slowly from sitting or lying positions. Avoid sudden movements. Consult doctor if persistent.
Nausea (Common (5-10%))
Take with food or milk to reduce stomach upset. If nausea continues, consult your doctor.
Nervousness or restlessness (Uncommon (1-5%))
Reduce caffeine intake from other sources. If symptoms are bothersome, consult your doctor.

🚨 Serious Side Effects

Severe allergic reaction (anaphylaxis) (Rare (<0.1%))
Seek immediate medical attention if you experience rash, itching, swelling of face, lips, tongue, or throat, difficulty breathing, or chest tightness.
Irregular heartbeat (arrhythmia) (Rare (<0.1%))
Contact your doctor immediately if you notice palpitations, fast or irregular heartbeat, or chest discomfort.
Hallucinations or confusion (Rare (<0.1%))
Stop the medicine and seek immediate medical help if you experience hallucinations, confusion, or unusual thoughts.
Urinary retention (Rare (<0.1%))
Seek medical attention 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, fever, or sore throat to your doctor immediately.
Seizures
Seek emergency medical care if seizures occur.
Liver dysfunction
Consult your doctor if you notice yellowing of skin or eyes, dark urine, or severe abdominal pain.

Consult your doctor if you experience any unusual symptoms.

🔬 Drug Interactions

Drug Severity Effect
MAOIs Major
Alcohol Major
Tricyclic antidepressants Major
CYP2D6 inhibitors Moderate
CYP1A2 inhibitors Moderate
Anticholinergic drugs Moderate
Opioid analgesics Minor
Beta-blockers Minor

🚨 Major Interactions

  • Monoamine oxidase inhibitors (MAOIs)
  • Alcohol and other CNS depressants
  • Tricyclic antidepressants

⚡ Moderate Interactions

  • CYP2D6 inhibitors (e.g., fluoxetine, paroxetine, quinidine)
  • 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 central nervous system depression, leading to excessive drowsiness, dizziness, and impaired coordination. It may also increase the risk of gastrointestinal side effects.

🔎 Check Your Other Medicines

Educational tool. Always confirm with your doctor or pharmacist.

🛡️ Safety & Warnings

🚫 Contraindications

["Known hypersensitivity to Chlorpheniramine Maleate, Caffeine, or any component of the formulation","Narrow-angle glaucoma","Urinary retention or prostatic hypertrophy with residual urine","Severe liver disease","Acute asthma attack","Concurrent use with MAOIs","Breastfeeding without medical advice","Children under 12 years of age"]

⚠️ 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 glaucoma, prostatic hypertrophy, cardiovascular disease, hypertension, hyperthyroidism, or diabetes.","May cause dry mouth, constipation, and urinary retention due to anticholinergic effects.","Do not use for longer than prescribed without consulting a doctor.","Keep out of reach of children.","Elderly patients may be more sensitive to side effects such as confusion and drowsiness.","Inform your doctor if you are pregnant, planning to become pregnant, or breastfeeding."]

🤱 Lactation Safety

Chlorpheniramine Maleate and Caffeine are excreted in breast milk. This medicine may cause drowsiness or irritability in a nursing infant. Consult your doctor before using this medicine while breastfeeding. Alternative antihistamines may be preferred.

💊 Overdose Management

Overdose of this medicine may cause severe drowsiness, agitation, hallucinations, seizures, irregular heartbeat, and difficulty breathing. If overdose is suspected, seek emergency medical attention immediately. Treatment is supportive and symptomatic. There is no specific antidote. Gastric lavage may be considered if within 1-2 hours of ingestion. 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 exceed the recommended dose. Avoid driving or operating heavy machinery until you know how this medicine affects you, as it may cause drowsiness. Avoid consuming alcohol or other central nervous system depressants while taking this medicine. Inform your doctor if you have glaucoma, prostate enlargement, heart disease, high blood pressure, or thyroid problems. Do not use this medicine for longer than directed without consulting your doctor. Keep out of reach of children.

👴 Special Considerations for Elderly

💡 For Patients Above 65

Elderly patients are more sensitive to the anticholinergic and sedative effects of this medicine. They may experience confusion, dizziness, dry mouth, constipation, and urinary retention more frequently. Use with caution and consider lower doses. Regular monitoring for cognitive and urinary function is advised.

🤰 Pregnancy Planning (TTC)

If you are planning to become pregnant, consult your doctor before taking this medicine. It should be used during pregnancy only if clearly needed. Discuss alternative treatments that may be safer for pregnancy.

🏥 Post-Surgery Considerations

This medicine may interact with anesthetics and other medications used during surgery. Inform your surgeon and anesthesiologist that you are taking this medicine. It may need to be stopped before surgery as advised by your doctor.

🦷 Dental Procedures

This medicine can cause dry mouth, which may increase the risk of dental caries and oral infections. Inform your dentist that you are taking this medicine. Maintain good oral hygiene and stay hydrated.

💚 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 a healthy diet rich in fruits and vegetables to support immune health.
💧
Stay hydrated to help thin mucus and reduce nasal congestion.
🧘
Get adequate sleep to help your body recover.
🌞
Practice good hand hygiene to prevent infections that can worsen allergies.

🏋️ Exercise Considerations

This medicine may cause drowsiness and dizziness, which can affect your coordination. Avoid strenuous exercise or activities that require mental alertness until you know how the medicine affects you. If you exercise outdoors, be aware of allergen exposure.

🥗 Diet Recommendations

Include omega-3 rich foods like fish and flaxseeds to reduce inflammation.
Avoid processed foods and excess sugar that can worsen allergies.
Stay well hydrated by drinking plenty of water.
Limit caffeine intake from coffee, tea, and energy drinks.
Eat a balanced diet with plenty of fruits and vegetables.

💼 Impact on Daily Work & Life

This medicine can cause drowsiness, which may affect your ability to perform tasks requiring alertness, such as driving or operating machinery. It is advisable to avoid such activities until you know how the medicine affects you. Inform your employer if your job requires alertness. The stimulant effect of caffeine may help counteract some drowsiness, but individual responses vary.

🛑 When to Stop This Medicine

Stop taking this medicine and consult your doctor if your symptoms do not improve within 7 days, if they worsen, or if you experience any serious side effects. Do not stop abruptly if you have been taking it regularly for a long time without consulting your doctor.

📅 Long-Term Use Effects

Long-term use of this medicine is not recommended without medical supervision. Prolonged use of chlorpheniramine may lead to tolerance, dependence, and increased risk of side effects such as cognitive impairment, especially in the elderly. Regular monitoring of liver and kidney function may be advised if used for extended periods. Consult your doctor for alternative treatments if long-term therapy is required.

🌿 Non-Medicine Approaches

These can complement medicine but do not replace prescribed treatment.

Allergen avoidance

Identifying and avoiding allergens can reduce the need for medication.

Evidence: Well-established
Nasal saline irrigation

Helps clear nasal passages and reduce congestion.

Evidence: Moderate
Second-generation antihistamines

Non-sedating antihistamines like loratadine or cetirizine may be alternatives with fewer side effects.

Evidence: Well-established

💉 Vaccination Considerations

💉 If You're Getting Vaccinated

There are no known interactions between this medicine and vaccines. However, if you are scheduled for vaccination, inform your healthcare provider about all medications you are taking.

📦 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 it at room temperature and protect it from extreme heat or moisture. If crossing time zones, adjust dosing times gradually to avoid missed doses. Check local customs regulations regarding prescription medicines. Keep it in your carry-on luggage to avoid loss.

💰 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 her sneezing and runny nose during spring. She found that taking it with breakfast reduced her stomach discomfort. She experienced mild drowsiness initially, but it subsided after a few days. She was advised to avoid driving until she knew how it affected her.
💡 Lesson: Taking the medicine with food can improve tolerability, and drowsiness may decrease with continued use.
👤 A 50-year-old man with chronic urticaria
He used this medicine as needed for itching and hives. He noticed relief within an hour of taking it. He was cautioned to avoid alcohol, which he did. He also limited his coffee intake to prevent jitteriness.
💡 Lesson: Avoiding alcohol and excess caffeine can prevent additive side effects and improve the overall experience.

💬 Questions Patients Often Ask

Q: How long does it take to work?

A: This medicine usually starts working within 30 to 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 drive after taking this medicine?

A: This medicine may cause drowsiness. Avoid driving or operating machinery until you know how it affects you.

Q: Can I take this medicine if I am pregnant?

A: Consult your doctor before taking this medicine during pregnancy. It should be used only if clearly needed.

🤔 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 ntkold-plus 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 can cure allergies permanently.
    Fact: This medicine only provides symptomatic relief and does not cure the underlying allergy.
  • Myth: It is safe to take this medicine for long periods without medical supervision.
    Fact: Prolonged use should be avoided unless prescribed and monitored by a doctor.
  • Myth: This medicine is safe for everyone.
    Fact: It is not safe for individuals with certain conditions like glaucoma, urinary retention, or severe liver disease.

🔄 Alternative Options

Generic Alternatives

  • Caffeine 25 mg + Chlorpheniramine Maleate 4 mg tablet

📊 Comparison with Similar Medicines

[{"medicine":"This medicine","composition":"Caffeine 25 mg + Chlorpheniramine Maleate 4 mg","uses":"Allergic rhinitis, urticaria, common cold","sedation":"Moderate","onset":"30-60 minutes"},{"medicine":"Chlorpheniramine Maleate alone","composition":"Chlorpheniramine Maleate 4 mg","uses":"Allergic rhinitis, urticaria","sedation":"High","onset":"30-60 minutes"},{"medicine":"Caffeine alone","composition":"Caffeine 25 mg","uses":"CNS stimulant","sedation":"None","onset":"15-30 minutes"}]

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