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Prescription requiredRpg Life Sciences LimitedAnti-allergic
Romilast L 4 Syrup
Levocetirizine (2.5mg) + Montelukast (4mg)
Currently out of stock
Same composition, in stock now. Check with your doctor or pharmacist before you switch.
Romilast L 4 Syrup is used for romilast L 4 Tablet is used in the treatment of sneezing and runny nose due to allergies.
Medically reviewed by Dr. Balaji Krishnan, MBBS · Updated September 2026
Licensed pharmacyPharmacist-verified order
Key details
Salt: Levocetirizine (2.5mg) + Montelukast (4mg)
Available variants: syrup 2.5mg + 4mg 60ML
Best price: ₹66 (₹1.09 per ml)
MRP: ₹69
Prescription: Required
Manufacturer: RPG LIFE SCIENCES LIMITED
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 Romilast L 4 Syrup
Romilast L 4 Syrup contains Levocetirizine (2.5mg) + Montelukast (4mg). It belongs to the Antihistamine / leukotriene antagonist class of medicines.
Uses of Romilast L 4 Syrup
Romilast L 4 Tablet is used in the treatment of sneezing and runny nose due to allergies.
Key benefits
- Fast relief of sneezing
- running nose and itching
- Non-sedating options are available
- Usually taken once a day
How Romilast L 4 Syrup works
Romilast L 4 Tablet is a combination of two medicines: Levocetirizine and Montelukast, which relieves sneezing and runny nose due to allergies. Levocetirizine is an antiallergic which blocks a chemical messenger (histamine) responsible for runny nose, watery eyes and sneezing. Montelukast is a leukotriene antagonist. It works by blocking another chemical messenger (leukotriene). This reduces inflammation (swelling) in the airways and nose, and improves symptoms.
How to take Romilast L 4 Syrup
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. Romilast L 4 Tablet may be taken with or without food, but it is better to take it at a fixed time.
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 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 Romilast L 4 Syrup
Most side effects of Romilast L are mild and settle as the body adjusts. Reported side effects include:
- Drowsiness
- Dry mouth
- Headache
- Tiredness
- Nausea
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 Romilast L 4 Syrup
| Pregnancy | Romilast L 4 Tablet is probably safe to use during pregnancy.<br>Animal studies have shown low or no adverse effect on the foetus, however, there are limited human studies. Please consult your doctor. |
|---|---|
| Breastfeeding | Romilast L 4 Tablet is probably safe to use during lactation. Limited human data suggests that the drug does not represent a significant risk to the baby. |
| Alcohol | Romilast L 4 Tablet may cause excessive drowsiness and calmness with alcohol. |
| Driving | May cause drowsiness or affect your concentration. Do not drive until you know how it affects you. |
| Kidney | Romilast L 4 Tablet should be used with caution in patients with kidney disease. Dose adjustment of Romilast L 4 Tablet may be needed. Please consult your doctor.<br>Use of Romilast L 4 Tablet is not recommended in patients with severe kidney disease. |
| Liver | Romilast L 4 Tablet should be used with caution in patients with severe liver disease. Dose adjustment of Romilast L 4 Tablet may be needed. Please consult your doctor.<br>Limited information is available on the use of Romilast L 4 Tablet in these patients. No dose adjustment is recommended in patients with mild to moderate liver disease. |
| Habit forming | No |
Warnings and precautions
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 Romilast L if
Not for anyone with a known allergy to this medicine or to any ingredient in the pack. 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
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 Romilast L 4 Syrup
Store below 30°C, away from direct sunlight. Do not freeze. Once opened, use it within the period printed on the pack. Keep out of the reach of children.
Expert advice for Romilast L 4 Syrup
<div class="style__desktop-container___1hcBT"><div class="style__desktop-video___2GTR9"><div class="styles__video-img___1rCzR"><div class=""/><div class=""/></div></div><div><div><div><div><div class="ExpertAdviceItem__content___1Djk2"><ul><li>You have been prescribed Rid-AR Kid 2.5mg/4mg Tablet to help relieve symptoms of allergy such as runny nose, sneezing, watery eyes, and cough.</li> <li>Be cautious while driving or doing anything that requires concentration as Rid-AR Kid 2.5mg/4mg Tablet can cause dizziness and sleepiness.</li> <li>Do not drink alcohol while taking Rid-AR Kid 2.5mg/4mg Tablet as it may cause increased sleepiness.</li> <li>Dry mouth may occur as a side effect. Frequent mouth rinses, good oral hygiene, increased water intake and sugarless candy may help.</li> <li>Stop taking Rid-AR Kid 2.5mg/4mg Tablet at least three days before taking an allergy test as it can affect the test results.</li></ul></div></div></div></div></div></div>
Manufacturer and class
- Manufacturer:
- RPG LIFE SCIENCES LIMITED
- Therapeutic class:
- Anti-allergic
- Drug class:
- Antihistamine / leukotriene antagonist
Substitutes for Romilast L 4 Syrup
Medicines with the same active ingredient (Levocetirizine (2.5mg) + Montelukast (4mg)). Ask your doctor or pharmacist before switching brands.
| Medicine | Pack | Price | vs Romilast L 4 Syrup |
|---|---|---|---|
| Monticope SuspensionMANKIND (PHARMA) | suspension · 30 Ml | ₹46 | 29% cheaper |
| Alerlife M KidLIFE GAIN PHARMA | 10`S | ₹69 | 6% more |
| Monticope KidMANKIND (PHARMA) | 10`S | ₹78 | 19% more |
| Montel-L TabletGI PHARMA | tablet · 10`S | ₹86 | 32% more |
| Montina L SyrupARISTO PHARMACEUTICALS PVT LTD | syrup · 60ML | ₹87 | 33% more |
| Montecet KidWIN PHARMA | 10`S | ₹97 | 48% more |
| Alexcet- Lm Kid Syrup 60 ml | 1 | ₹102 | 55% more |
| Ergomont L Kid SyrupERGOS LIFE SCIENCES | syrup · 60ML | ₹102 | 55% more |
| Levolite M SyrupEYSYS PHARMA | syrup · 60ML | ₹107 | 63% more |
| Cetalore-M TabletKLM LAB | tablet · 10`S | ₹116 | 77% more |
| Briolite SuspensionINCITE | 60ML | ₹117 | 78% more |
| Laveta Syrup 60 mlALEMBIC PHARMA | syrup · 60ML | ₹121 | 84% more |
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Romilast L 4 Syrup FAQs
What is Romilast L 4 Syrup used for?
Romilast L 4 Syrup is commonly used for Romilast L 4 Tablet is used in the treatment of sneezing and runny nose due to allergies. 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 Romilast L 4 Syrup?
Romilast L 4 Syrup contains Levocetirizine (2.5mg) + Montelukast (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 Romilast L 4 Syrup?
Take this medicine in the dose and duration as advised by your doctor. Take it exactly as prescribed; do not change the dose or stop early without talking to your doctor.
How does Romilast L 4 Syrup work?
Romilast L 4 Tablet is a combination of two medicines: Levocetirizine and Montelukast, which relieves sneezing and runny nose due to allergies.
Is Romilast L 4 Syrup a prescription medicine?
Yes. Romilast L 4 Syrup 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 Romilast L 4 Syrup?
The side effects reported most often with Romilast L are Drowsiness, Dry mouth, Headache, Tiredness, Nausea. 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 Romilast L 4 Syrup be taken during pregnancy?
Romilast L 4 Tablet is probably safe to use during pregnancy.<br>Animal studies have shown low or no adverse effect on the foetus, however, there are limited human studies. Always tell your doctor if you are pregnant, planning a pregnancy or breastfeeding before starting Romilast L.
Can I drink alcohol while taking Romilast L 4 Syrup?
Romilast L 4 Tablet may cause excessive drowsiness and calmness with alcohol.
What if I miss a dose of Romilast L 4 Syrup?
Take it as soon as you remember.
Is Romilast L 4 Syrup habit forming?
No. Romilast L 4 Syrup is not known to be habit forming when taken as prescribed.
Is there a cheaper substitute for Romilast L 4 Syrup?
Monticope Suspension has the same active ingredient and strength and is listed from ₹46 on PingMeDoc Pharmacy. Ask your doctor or pharmacist before switching brands, the salt is the same, but excipients and release profiles can differ.
How much does Romilast L 4 Syrup cost on PingMeDoc Pharmacy?
Romilast L 4 Syrup starts at ₹66 (MRP ₹69) on PingMeDoc Pharmacy. Available in syrup 2.5mg + 4mg 60ML. Final price is confirmed at checkout and may vary by variant and location.
Who manufactures Romilast L 4 Syrup?
Romilast L 4 Syrup is manufactured by RPG LIFE SCIENCES LIMITED. PingMeDoc Pharmacy sources medicines only from licensed manufacturers and distributors.
How is Romilast L 4 Syrup delivered?
Romilast L 4 Syrup 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.
Romilast L 4 Syrup, Quick facts
- Salt
- Levocetirizine (2.5mg) + Montelukast (4mg)
- Form
- syrup
- Best price
- ₹66 (₹1.09 per ml)
- MRP
- ₹69
- Prescription
- Required (Rx)
- Schedule
- Schedule H
- Brand
- RPG LIFE SCIENCES LIMITED
- Manufacturer
- RPG LIFE SCIENCES LIMITED
- Therapeutic class
- Anti-allergic
- Drug class
- Antihistamine / leukotriene antagonist
- Habit forming
- No
- Variants
- syrup 2.5mg + 4mg 60ML
- Delivery
- Standard across India
References
Compiled from the manufacturer's prescribing information and the sources below, and reviewed by a registered medical practitioner. It does not replace your own doctor's advice.
- PingMeDoc clinical monograph library — compiled from Indian package inserts, the Indian Pharmacopoeia
- CDSCO schedules and standard pharmacology references. Reviewed for patient readability. This is general information, not a substitute for your doctor's advice.
- Central Drugs Standard Control Organisation (CDSCO), Ministry of Health & Family Welfare, Government of India, approved drug and schedule listings.
- National List of Essential Medicines (NLEM) 2022, Government of India.
- Manufacturer's package insert / prescribing information for Romilast L 4 Syrup.
- 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.