ceten l oral suspension - Levocetirizine (2.5mg) medicine

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🏭 Arbro Pharmaceuticals Pvt Ltd 📦 Varies by brand 💊 Allopathy 📅 Updated: Oct 22, 2026
📋 Prescription Required 💊 Generic Available
Medically Reviewed
12 min read
Evidence: Well-established for allergic rhinitis and chronic urticaria.
Reviewed by
SaathiMed Expert Panel | Oct 22, 2026
🩺
Medically Fact-Checked & Clinically Verified by SaathiMed Clinical Review Board
Clinical Reference Standards: CDSCO (Central Drugs Standard Control Organisation), Indian Pharmacopoeia (IP) & WHO | Last Updated: September 2026

When to Call Your Doctor IMMEDIATELY

  • Swelling of the face, lips, or throat
  • Difficulty breathing or wheezing
  • Severe rash or hives covering the body
  • Fast or irregular heartbeat
  • Seizures or convulsions
  • Extreme drowsiness or difficulty waking up
  • Yellowing of eyes or skin

If experiencing severe symptoms, call emergency services immediately.

What is ceten l oral suspension used for?

This medicine is a pediatric antihistamine syrup containing levocetirizine 2.5 mg per 5 mL. It is used to treat allergic rhinitis and chronic hives in children. It works by blocking histamine, relieving sneezing, runny nose, and itching. The dose depends on the child's age and weight and must be prescribed by a doctor.

  • Generic Name: Levocetirizine
  • Manufacturer: Arbro Pharmaceuticals Pvt Ltd
  • Form: Allopathy
  • Pregnancy Category: Consult doctor
  • Prescription Required: Yes

🇮🇳 ceten l oral suspension के बारे में (Hindi Summary)

उपयोग: यह दवा बच्चों में एलर्जी के लक्षणों जैसे नाक बहना, छींक आना, आंखों में खुजली और पानी आना, और त्वचा पर पित्ती (हाइव्स) के इलाज के लिए इस्तेमाल की जाती है। यह एक एंटीहिस्टामिन है जो शरीर में हिस्टामिन नामक पदार्थ को रोककर एलर्जी के लक्षणों को कम करती है। यह दवा बच्चों के लिए है और इसकी खुराक बच्चे की उम्र और वजन के अनुसार डॉक्टर द्वारा तय की जाती है। इसे 2 साल से छोटे बच्चों को डॉक्टर की सलाह के बिना न दें।

साइड इफेक्ट्स: इस दवा के आम दुष्प्रभावों में नींद आना, थकान, मुंह सूखना और सिरदर्द शामिल हैं। ये आमतौर पर हल्के होते हैं और अपने आप ठीक हो जाते हैं। कभी-कभी पेट दर्द, जी मिचलाना या दस्त भी हो सकते हैं। गंभीर दुष्प्रभाव दुर्लभ हैं, लेकिन अगर बच्चे को चेहरे, होंठ या गले में सूजन, सांस लेने में कठिनाई, या तेज दिल की धड़कन हो, तो तुरंत डॉक्टर से मिलें।

सुरक्षा सलाह: इस दवा को हमेशा डॉक्टर के बताए अनुसार ही दें। खुराक को कम या ज्यादा न करें। यह दवा नींद ला सकती है, इसलिए बच्चे को साइकिल चलाने या खेलकूद में सावधानी बरतें। अगर बच्चे को किडनी या लीवर की समस्या है, तो डॉक्टर को बताएं। अन्य दवाओं के साथ इसका सेवन करने से पहले डॉक्टर से सलाह लें। दवा को ठंडी और सूखी जगह पर, धूप से दूर, बच्चों की पहुंच से बाहर रखें।

💡 Did You Know? The Indian pharmaceutical market is expected to reach $130 billion by 2030.

💊 ceten l oral suspension Uses & Benefits

[{"condition":"Allergic rhinitis","description":"Relieves sneezing, runny nose, itchy and watery eyes, and nasal itching caused by seasonal or year-round allergies.","evidence":"Well-established"},{"condition":"Chronic idiopathic urticaria","description":"Reduces itching and the number of hives in children with persistent urticaria without a known cause.","evidence":"Well-established"},{"condition":"Allergic conjunctivitis","description":"Helps reduce itching, redness, and tearing of the eyes due to allergies.","evidence":"Well-established"},{"condition":"Atopic dermatitis","description":"May be used as an adjunct to relieve itching associated with eczema.","evidence":"Limited"}]

Off-label uses: [{"condition":"Mild allergic asthma","description":"Sometimes used as add-on therapy for mild allergic asthma, but not as a primary treatment.","evidence":"Limited"},{"condition":"Chronic cough due to postnasal drip","description":"Occasionally prescribed to reduce cough associated with allergic postnasal drip.","evidence":"Limited"}]

Primary treatment for: Allergic rhinitis

Also treats: Chronic idiopathic urticaria, Allergic conjunctivitis, Atopic dermatitis

📋 Drug Information

Generic Name(s)Levocetirizine
Brand NameAlergin L Tablet
ManufacturerArbro Pharmaceuticals Pvt Ltd
Packaging / FormVaries by brand (Allopathy)
Therapeutic ClassRESPIRATORY
Action ClassH1 Antihistaminics (second Generation)
Route of AdministrationOral
StorageStore at room temperature between 15°C and 30°C (59°F to 86°F). Protect from light and moisture. Keep the bottle tightly closed. Do not freeze.
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
Always use the measuring cup or syringe provided with the medicine to ensure accurate dosing.
2
Give the medicine in the evening to minimize daytime drowsiness.
3
Do not give this medicine to children under 2 years without a doctor's prescription.
4
If your child has kidney problems, inform the doctor as the dose may need adjustment.
5
Avoid giving other antihistamines or cold medicines without consulting the doctor.
6
If symptoms do not improve within a few days, consult the doctor.

🔍 Is This Medicine Right for Your Symptom?

Educational reference. Always consult a doctor for diagnosis.

✅
Runny nose and sneezing
This medicine is commonly prescribed for allergic rhinitis.
Likely Use
✅
Itchy, watery eyes
This medicine helps relieve allergic conjunctivitis symptoms.
Likely Use
✅
Hives with itching
This medicine is used for chronic urticaria.
Likely Use
❌
Fever
This medicine is not a fever reducer.
Not Primary
❌
Productive cough
This medicine is not for cough with phlegm.
Not Primary

🔬 How This Medicine Works (Pharmacology)

Pharmacokinetics

AbsorptionLevocetirizine is rapidly and extensively absorbed after oral administration. The oral bioavailability is high, approximately 100%. Food does not significantly affect the extent of absorption, but it may delay the time to peak concentration.
DistributionLevocetirizine distributes widely in the body. It has a low volume of distribution, approximately 0.4 L/kg. It does not extensively penetrate the central nervous system, which explains its low sedative effect.
Protein BindingLevocetirizine is approximately 90% bound to plasma proteins.
MetabolismLevocetirizine undergoes minimal metabolism in the liver. About 14% of the dose is metabolized, mainly by aromatic oxidation, N-dealkylation, and taurine conjugation.
Half-LifeThe elimination half-life of levocetirizine is approximately 6 to 8 hours in adults with normal kidney function. In children, the half-life may be shorter.
ExcretionLevocetirizine is primarily excreted unchanged in the urine. About 85% of the dose is excreted in urine and 13% in feces. Renal clearance is the major route of elimination.
BioavailabilityThe oral bioavailability of levocetirizine is approximately 100%.
Onset of ActionThe onset of action is within 1 hour after oral administration.
Peak Plasma TimeThe peak plasma concentration is reached approximately 0.9 hours after oral administration.
Duration of ActionThe duration of action is approximately 24 hours, allowing once-daily dosing.

How It Works

This medicine works by selectively blocking histamine H1 receptors. Histamine is a substance released by mast cells and basophils during allergic reactions. When histamine binds to H1 receptors, it causes symptoms such as sneezing, itching, runny nose, and watery eyes. By blocking these receptors, this medicine prevents histamine from exerting its effects, thereby reducing allergy symptoms. It is a second-generation antihistamine, which means it is less likely to cause drowsiness compared to older antihistamines.

Mechanism Steps

1
Histamine release: During an allergic reaction, mast cells release histamine into the surrounding tissues.
2
H1 receptor binding: Histamine binds to H1 receptors on blood vessels, nerve endings, and smooth muscle, causing allergy symptoms.
3
Receptor blockade: This medicine binds to the H1 receptor and prevents histamine from attaching to it.
4
Symptom relief: As a result, sneezing, itching, runny nose, and watery eyes are reduced.

💡 How to Take ceten l oral suspension

Strength: Each 5 mL of syrup contains 2.5 mg of levocetirizine.

1Shake the bottle well before each use.
2Use the measuring cup or syringe provided with the medicine to measure the correct dose.
3Give the medicine directly into the child's mouth or mix with a small amount of water or juice if needed.
4Give the medicine at the same time each day, preferably in the evening.
5Do not give more than the prescribed dose.
6Wash the measuring cup after each use.

Dosage Information

Adult DosageThis medicine is formulated for children, but the active ingredient levocetirizine is also available in tablet form for adults. For adults, the usual dose is 5 mg once daily in the evening. However, the dose must be individualized by a qualified clinician based on indication, age, weight, renal and hepatic function. Do not use this pediatric syrup for adults unless specifically prescribed by a doctor.
Pediatric DosageThe dose of this medicine depends on the child's age and weight. For children aged 2 to 5 years, the usual dose is 1.25 mg (2.5 mL of this syrup) once daily in the evening. For children aged 6 to 11 years, the usual dose is 2.5 mg (5 mL of this syrup) once daily in the evening. For children 12 years and older, the dose is 5 mg (10 mL of this syrup) once daily. However, these are general guidelines. The dose must be individualized by a pediatrician based on the child's condition and kidney function. Do not give this medicine to children under 2 years without a doctor's prescription.
Elderly DosageElderly patients may be more sensitive to the side effects of this medicine, especially drowsiness. The dose may need to be reduced based on kidney function. Consult a doctor for appropriate dosing.
Renal ImpairmentIn patients with renal impairment, the dose of levocetirizine should be adjusted based on creatinine clearance. For moderate renal impairment (creatinine clearance 30-50 mL/min), the dose should be reduced by half. For severe renal impairment (creatinine clearance 10-30 mL/min), the dose should be reduced to one-quarter of the usual dose. For end-stage renal disease (creatinine clearance less than 10 mL/min), the medicine is contraindicated. Always consult a doctor for dose adjustment.
Hepatic ImpairmentNo dose adjustment is required for patients with hepatic impairment alone. However, if both hepatic and renal impairment are present, dose adjustment may be needed. Consult a doctor.
Maximum Daily DoseFor children aged 2-5 years: 1.25 mg/day; for children 6-11 years: 2.5 mg/day; for children 12 years and older: 5 mg/day. Do not exceed the recommended dose.

Dosage Timeline

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

🍽️ Food Timing Guide

With or without food
Can be given with or without food
Food does not significantly affect the absorption of this medicine.

⏰ What to Do If You Miss a Dose

📌 Less than 12 hours have passed since the missed dose
→ Give the missed dose as soon as you remember.
💡 Continue with the regular schedule.
📌 More than 12 hours have passed since the missed dose
→ Skip the missed dose.
💡 Do not double the dose to catch up.

⚠️ Side Effects of ceten l oral suspension

✅ Common Side Effects

Drowsiness (Common (1-10%))
Usually mild and resolves on its own. Avoid activities requiring alertness until you know how it affects your child.
Fatigue (Common (1-10%))
Ensure your child gets adequate rest. Consult doctor if persistent.
Dry mouth (Common (1-10%))
Encourage your child to drink water frequently.
Headache (Common (1-10%))
Usually resolves on its own. Consult doctor if severe or persistent.

🚨 Serious Side Effects

Severe allergic reaction (anaphylaxis) (Rare (<0.1%))
Seek immediate medical attention if you notice swelling of face, lips, throat, difficulty breathing, or severe rash.
Fast or irregular heartbeat (Rare (<0.1%))
Consult a doctor immediately if your child experiences palpitations or irregular heartbeat.
Seizures (Very rare (<0.01%))
Seek emergency medical help if your child has a seizure.

⚠️ Rare Side Effects

Mood changes or aggression
Consult the doctor if you notice unusual behavior changes.
Liver inflammation
Report yellowing of eyes or skin, dark urine, or abdominal pain to the doctor immediately.

Consult your doctor if you experience any unusual symptoms.

🔬 Drug Interactions

Drug Severity Effect
CNS depressants Major
Alcohol Moderate
Theophylline Moderate
Ritonavir Minor
Ketoconazole Minor

🚨 Major Interactions

  • CNS depressants (e.g., sedatives, tranquilizers)

⚡ Moderate Interactions

  • Alcohol
  • Theophylline

🍷 Alcohol Interaction

Alcohol should be avoided while taking this medicine because it can increase drowsiness and impair alertness. This is especially important for children and adolescents.

🔎 Check Your Other Medicines

Educational tool. Always confirm with your doctor or pharmacist.

🛡️ Safety & Warnings

🚫 Contraindications

["Known hypersensitivity to levocetirizine or any component of the formulation","Severe renal impairment (creatinine clearance less than 10 mL/min)","Children under 2 years of age (unless specifically prescribed)","End-stage renal disease requiring dialysis"]

⚠️ Warnings & Precautions

["May cause drowsiness; avoid driving or operating machinery until you know how it affects you.","Use with caution in patients with renal impairment; dose adjustment may be needed.","Avoid concurrent use with alcohol or other CNS depressants.","Do not exceed the recommended dose.","Not recommended for children under 2 years unless prescribed by a doctor.","Consult a doctor if symptoms persist or worsen."]

🤱 Lactation Safety

Levocetirizine is excreted in breast milk in small amounts. It is generally considered safe for breastfeeding mothers, but caution is advised. Consult your doctor before using this medicine while breastfeeding.

💊 Overdose Management

Overdose of this medicine may cause drowsiness, agitation, or restlessness in children. If you suspect an overdose, 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, give it as soon as you remember. If it is almost time for the next dose, skip the missed dose and continue with the regular schedule. Do not double the dose to catch up.

Additional Safety Advice

General Safety

Always give this medicine exactly as prescribed by your child's doctor. Do not increase or decrease the dose without consulting the doctor. This medicine may cause drowsiness, so avoid letting your child ride a bicycle, play contact sports, or perform activities requiring alertness until you know how the medicine affects them. Do not give this medicine to children under 2 years of age unless specifically prescribed. Inform the doctor if your child has kidney problems, liver problems, or any other medical condition. Do not give other cough and cold medicines without checking with the doctor, as they may contain similar ingredients. Store the syrup in its original container, tightly closed, at room temperature, and away from direct sunlight. Keep all medicines out of reach of children.

👴 Special Considerations for Elderly

💡 For Patients Above 65

This medicine is formulated for children and is not typically used in the elderly. For elderly patients, levocetirizine tablets are available, and the dose may need adjustment based on kidney function. Consult a doctor.

🤰 Pregnancy Planning (TTC)

This medicine is for children and not intended for use in pregnancy. If you are pregnant or planning pregnancy, consult your doctor for appropriate allergy treatment.

🏥 Post-Surgery Considerations

This medicine is for children. If your child is scheduled for surgery, inform the surgeon and anesthesiologist about all medicines being taken, including this one. It may need to be stopped before surgery.

🦷 Dental Procedures

This medicine is for children. If your child is undergoing dental procedures, inform the dentist about this medicine. It may cause dry mouth, which can affect dental health. Maintain good oral hygiene.

💚 Lifestyle Tips for Better Results

🏃
Identify and avoid allergens that trigger your child's symptoms.
🥗
Keep windows closed during high pollen seasons.
😴
Use air purifiers with HEPA filters at home.
💧
Wash bedding regularly in hot water to reduce dust mites.
🧘
Encourage your child to wash hands after playing outdoors.
🌞
Maintain a healthy diet rich in fruits and vegetables to support the immune system.

🏋️ Exercise Considerations

This medicine may cause drowsiness in some children. Avoid letting your child engage in activities that require full alertness, such as swimming, cycling, or climbing, until you know how the medicine affects them.

🥗 Diet Recommendations

Offer plenty of fluids to keep your child hydrated.
Include foods rich in vitamin C, such as oranges and strawberries, to support immunity.
Avoid known food allergens if your child has food allergies.
Limit processed foods and sugary drinks.

💼 Impact on Daily Work & Life

This medicine may cause mild drowsiness, which can affect your child's school performance or daily activities. If drowsiness is significant, consult the doctor; the dose or timing may need adjustment. Most children can continue their normal activities with minimal impact.

🛑 When to Stop This Medicine

Do not stop this medicine without consulting your doctor. If your child experiences severe side effects or if symptoms resolve, the doctor will advise on whether to continue or stop. Abrupt discontinuation is generally not associated with withdrawal symptoms.

📅 Long-Term Use Effects

Long-term use of this medicine is generally safe when taken as prescribed. However, prolonged use may lead to tolerance or reduced effectiveness. Regular monitoring by a doctor is recommended if used for more than a few weeks. If symptoms persist, consult a doctor to rule out other conditions.

🌿 Non-Medicine Approaches

These can complement medicine but do not replace prescribed treatment.

Allergen avoidance

Reducing exposure to allergens such as pollen, dust mites, and pet dander can help control symptoms.

Evidence: Well-established
Nasal saline irrigation

Using saline nasal sprays or rinses can help clear allergens and relieve nasal congestion.

Evidence: Well-established
Immunotherapy

Allergy shots or sublingual tablets can desensitize the immune system over time.

Evidence: Well-established

💉 Vaccination Considerations

💉 If You're Getting Vaccinated

This medicine does not interact with vaccines. Your child can receive routine vaccinations while taking this medicine. However, consult your doctor before any vaccination.

📦 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 with this medicine, carry it in its original packaging with the prescription label. Bring a copy of the prescription in case you need to show it at customs. Store it in a cool, dry place, away from direct sunlight. If traveling by air, keep it in your carry-on luggage. There are no specific time zone adjustments needed for this medicine, but try to give it at the same time each day. If you are traveling to a different time zone, consult your doctor for advice on adjusting the dosing schedule.

💰 Cost Analysis & Savings

👥 Real Patient Stories

Educational, anonymized scenarios. Individual results may vary.

👤 A 4-year-old boy with seasonal allergies
His mother noticed he had a runny nose, sneezing, and itchy eyes every morning during spring. The pediatrician prescribed this medicine 2.5 mL once daily in the evening. Within a few days, his symptoms improved significantly, and he was able to play outside again. The mother appreciated that it didn't make him too sleepy.
💡 Lesson: This medicine effectively relieves allergic symptoms in children with minimal sedation when taken as prescribed.
👤 A 7-year-old girl with chronic hives
She had persistent itchy hives for weeks. After trying other treatments, her doctor prescribed this medicine 5 mL once daily. The hives reduced in number and itching subsided within a week. Her parents were advised to avoid triggers and to continue the medicine as directed.
💡 Lesson: Consistent daily use of this medicine can control chronic urticaria in children.

💬 Questions Patients Often Ask

Q: How long does it take for this medicine to work?

A: This medicine usually starts working within 1 hour after taking it. You may notice improvement in symptoms such as sneezing and runny nose within a few hours.

Q: Can this medicine be given to a 1-year-old?

A: This medicine is not recommended for children under 2 years of age unless specifically prescribed by a doctor. Consult your pediatrician for appropriate treatment.

Q: What should I do if my child misses a dose?

A: If you remember within 12 hours, give the missed dose. If more than 12 hours have passed, skip the missed dose and continue with the regular schedule. Do not double the dose.

Q: Can this medicine be taken with other cold medicines?

A: Do not give other cold medicines without consulting the doctor, as they may contain similar ingredients and increase the risk of side effects.

🤔 Common Patient Concerns

💭 These are the concerns patients most commonly raise

  • Can I give this medicine to my child every day?
  • Will this medicine make my child sleepy?
  • Can I mix this medicine with milk or juice?
  • What if my child vomits after taking this medicine?
  • Can this medicine be given with antibiotics?
  • Is this medicine safe for long-term use?

🔄 Substitutes for ceten l oral suspension

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 be used for any cough and cold in children.
    Fact: This medicine is an antihistamine and is not effective for all types of cough and cold. It is specifically for allergic symptoms.
  • Myth: This medicine makes children sleepy all the time.
    Fact: This is a second-generation antihistamine and is less likely to cause drowsiness compared to older antihistamines. However, some children may still feel sleepy.
  • Myth: You can stop this medicine as soon as symptoms improve.
    Fact: Always follow your doctor's advice on how long to give this medicine. Stopping early may cause symptoms to return.

🔄 Alternative Options

Generic Alternatives

  • Levocetirizine syrup 2.5 mg/5 mL

Brand Alternatives

  • Levocet 2.5 mg/5 mL syrup
  • Xyzal 2.5 mg/5 mL syrup
  • Teczine 2.5 mg/5 mL syrup

📊 Comparison with Similar Medicines

[{"medicine":"Levocetirizine","class":"Second-generation antihistamine","common_use":"Allergic rhinitis, urticaria","sedation":"Low","dosing":"Once daily"},{"medicine":"Cetirizine","class":"Second-generation antihistamine","common_use":"Allergic rhinitis, urticaria","sedation":"Low to moderate","dosing":"Once daily"},{"medicine":"Loratadine","class":"Second-generation antihistamine","common_use":"Allergic rhinitis, urticaria","sedation":"Very low","dosing":"Once daily"},{"medicine":"Fexofenadine","class":"Second-generation antihistamine","common_use":"Allergic rhinitis, urticaria","sedation":"Very low","dosing":"Twice daily"}]

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