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Prescription requiredRpg Life Sciences LimitedAnti-allergic

Romilast Fx Tablet

Montelukast + Fexofenadine

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Romilast Fx Tablet is used for this medicine is used in the treatment of 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: Montelukast + Fexofenadine
Available variants: tablet 10`S
Best price: ₹186 (₹18.56 per tablet)
MRP: ₹195
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 Fx Tablet

Romilast Fx Tablet contains Montelukast + Fexofenadine. It belongs to the Antihistamine / leukotriene antagonist class of medicines.

Uses of Romilast Fx Tablet

  • This medicine is used in the treatment of allergic rhinitis
  • hives and skin allergy
  • itching and allergic asthma.

Key benefits

  • Fast relief of sneezing
  • running nose and itching
  • Non-sedating options are available
  • Usually taken once a day

How Romilast Fx Tablet works

This medicine combines 2 active ingredients: Montelukast and Fexofenadine. Montelukast blocks the chemical messengers your body releases during an allergic reaction, which relieves sneezing, a running nose, watering eyes and itching. Fexofenadine blocks the chemical messengers your body releases during an allergic reaction, which relieves sneezing, a running nose, watering eyes and itching.

How to take Romilast Fx 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, often in the evening. 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 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 Fx Tablet

Most side effects of Romilast Fx 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 Fx 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.
LiverUse with caution if you have liver disease — your doctor may adjust the dose or monitor your liver function.
Habit formingNo

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 Fx 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 Fx 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 Romilast Fx Tablet

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:
RPG LIFE SCIENCES LIMITED
Therapeutic class:
Anti-allergic
Drug class:
Antihistamine / leukotriene antagonist

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Romilast Fx Tablet FAQs

What is Romilast Fx Tablet used for?
Romilast Fx Tablet is commonly used for This medicine is used in the treatment of 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 Romilast Fx Tablet?
Romilast Fx Tablet contains Montelukast + Fexofenadine. 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 Fx 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 Romilast Fx Tablet work?
This medicine combines 2 active ingredients: Montelukast and Fexofenadine.
Is Romilast Fx Tablet a prescription medicine?
Yes. Romilast Fx 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 Romilast Fx Tablet?
The side effects reported most often with Romilast Fx 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 Fx 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 Romilast Fx.
Can I drink alcohol while taking Romilast Fx Tablet?
Do not drink alcohol while taking this medicine.
What if I miss a dose of Romilast Fx Tablet?
Take it as soon as you remember.
Is Romilast Fx Tablet habit forming?
No. Romilast Fx Tablet is not known to be habit forming when taken as prescribed.
How much does Romilast Fx Tablet cost on PingMeDoc Pharmacy?
Romilast Fx Tablet starts at ₹186 (MRP ₹195) on PingMeDoc Pharmacy. Available in tablet 10`S. Final price is confirmed at checkout and may vary by variant and location.
Who manufactures Romilast Fx Tablet?
Romilast Fx Tablet is manufactured by RPG LIFE SCIENCES LIMITED. PingMeDoc Pharmacy sources medicines only from licensed manufacturers and distributors.
How is Romilast Fx Tablet delivered?
Romilast Fx 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.

Romilast Fx Tablet, Quick facts

Salt
Montelukast + Fexofenadine
Form
tablet
Best price
₹186 (₹18.56 per tablet)
MRP
₹195
Prescription
Required (Rx)
Brand
RPG LIFE SCIENCES LIMITED
Manufacturer
RPG LIFE SCIENCES LIMITED
Therapeutic class
Anti-allergic
Drug class
Antihistamine / leukotriene antagonist
Habit forming
No
Variants
tablet 10`S
Delivery
Standard across India

References

The information on Romilast Fx 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 Romilast Fx 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.