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Prescription requiredUnison PharmaceuticalsAnti-allergic

L Dio-1 Tablet

Levocetirizine (5mg)

₹14MRP ₹15In stock
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Delivery across India. Free above ₹999; ₹49 from ₹499, ₹99 below. Chennai express delivery is chargeable.

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L Dio-1 Tablet is used for l Dio 1 Tablet is used in the treatment of allergic conditions.

Medically reviewed by Dr. Balaji Krishnan, MBBS · Updated September 2026

Licensed pharmacyPharmacist-verified orderDelivered across India

Key details

Salt: Levocetirizine (5mg)
Available variants: tablet 5mg 10`S
Best price: ₹14 (₹1.41 per tablet)
MRP: ₹15
Prescription: Required
Manufacturer: UNISON PHARMACEUTICALS

Ordering notes

Standard delivery across India. No same-day delivery nationally.
Chennai express delivery is possible and chargeable. Learn more
Returns & refunds: orders can be cancelled before dispatch; after dispatch, returns depend on the item category. Read the full policy

Composition of L Dio-1 Tablet

L Dio-1 Tablet contains Levocetirizine (5mg). It belongs to the Antihistamine / leukotriene antagonist class of medicines.

Uses of L Dio-1 Tablet

L Dio 1 Tablet is used in the treatment of allergic conditions.

Key benefits

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

How L Dio-1 Tablet works

L Dio 1 Tablet is an antihistaminic medication. It treats allergy symptoms such as such as itching, swelling, and rashes by blocking the effects of a chemical messenger (histamine) in the body.

How to take L Dio-1 Tablet

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. L Dio 1 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 L Dio-1 Tablet

Most side effects of L Dio-1 are mild and settle as the body adjusts. Reported side effects include:

  • Sleepiness Fatigue Headache Dryness in mouth

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 L Dio-1 Tablet

PregnancyL Dio 1 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.
BreastfeedingL Dio 1 Tablet is probably safe to use during lactation. Limited human data suggests that the drug does not represent a significant risk to the baby.<br/>Larger doses or more prolonged use of L Dio 1 Tablet may cause drowsiness and other effects in the baby or decrease the milk supply
AlcoholL Dio 1 Tablet may cause excessive drowsiness and calmness with alcohol.
DrivingMay cause drowsiness or affect your concentration. Do not drive until you know how it affects you.
KidneyL Dio 1 Tablet should be used with caution in patients with kidney disease. Dose adjustment of L Dio 1 Tablet may be needed. Please consult your doctor.<br/>Use of L Dio 1 Tablet is not recommended in patients with severe kidney disease.
LiverL Dio 1 Tablet is safe to use in patients with liver disease. No dose adjustment of L Dio 1 Tablet is recommended.
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 L Dio-1 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 L Dio-1 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 L Dio-1 Tablet

<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>Your doctor has prescribed L Dio 1 Tablet to help relieve allergy symptoms such as itching, swelling, and rashes.</li> <li>It's much less likely to make you feel sleepy than other similar medications.</li> <li>Use caution while driving or doing anything that requires concentration as it can cause dizziness and sleepiness.</li> <li>Do not drink alcohol while taking this medication as it may cause increased sleepiness.</li> <li>Stop taking L Dio 1 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:
UNISON PHARMACEUTICALS
Therapeutic class:
Anti-allergic
Drug class:
Antihistamine / leukotriene antagonist

Substitutes for L Dio-1 Tablet

Medicines with the same active ingredient (Levocetirizine (5mg)). Ask your doctor or pharmacist before switching brands.

MedicinePackPricevs L Dio-1 Tablet
Okacet TabletCIPLA LIMITEDtablet · 10 Tablet₹1935% more
Lc Troy Tablet1X10₹42197% more
Levozet Tablet10₹44214% more
Oriel 5 mg TabletIntas Pharmaceuticals Ltdtablet · 10`S₹58312% more
Cetrezol L TabletEAST WEST PHARMAtablet · 10`S₹59322% more
L-ZineBRANDS LABORATORIES10`S₹62340% more
Cetcip L Tablet1X10₹64353% more
Cetalore 5 mg TabletKLM LABtablet · 10`S₹66369% more
Uvnil-5 Tablet10'S₹74425% more
Aristo L-Cetrest Tablet1X10₹85501% more
Teczine 5 mg TabletSUN PHARMA 2tablet · 10`S₹94569% more
Laveta 5 mg TabletALEMBIC PHARMAtablet · 10`S₹104637% more
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L Dio-1 Tablet FAQs

What is L Dio-1 Tablet used for?
L Dio-1 Tablet is commonly used for L Dio 1 Tablet is used in the treatment of allergic conditions. 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 L Dio-1 Tablet?
L Dio-1 Tablet contains Levocetirizine (5mg). 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 L Dio-1 Tablet?
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 L Dio-1 Tablet work?
L Dio 1 Tablet is an antihistaminic medication.
Is L Dio-1 Tablet a prescription medicine?
Yes. L Dio-1 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 L Dio-1 Tablet?
The side effects reported most often with L Dio-1 are Sleepiness Fatigue Headache Dryness in mouth. 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 L Dio-1 Tablet be taken during pregnancy?
L Dio 1 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 L Dio-1.
Can I drink alcohol while taking L Dio-1 Tablet?
L Dio 1 Tablet may cause excessive drowsiness and calmness with alcohol.
What if I miss a dose of L Dio-1 Tablet?
Take it as soon as you remember.
Is L Dio-1 Tablet habit forming?
No. L Dio-1 Tablet is not known to be habit forming when taken as prescribed.
How much does L Dio-1 Tablet cost on PingMeDoc Pharmacy?
L Dio-1 Tablet starts at ₹14 (MRP ₹15) on PingMeDoc Pharmacy. Available in tablet 5mg 10`S. Final price is confirmed at checkout and may vary by variant and location.
Who manufactures L Dio-1 Tablet?
L Dio-1 Tablet is manufactured by UNISON PHARMACEUTICALS. PingMeDoc Pharmacy sources medicines only from licensed manufacturers and distributors.
How is L Dio-1 Tablet delivered?
L Dio-1 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.

L Dio-1 Tablet, Quick facts

Salt
Levocetirizine (5mg)
Form
tablet
Best price
₹14 (₹1.41 per tablet)
MRP
₹15
Prescription
Required (Rx)
Brand
UNISON PHARMACEUTICALS
Manufacturer
UNISON PHARMACEUTICALS
Therapeutic class
Anti-allergic
Drug class
Antihistamine / leukotriene antagonist
Habit forming
No
Variants
tablet 5mg 10`S
Delivery
Standard across India

References

The information on L Dio-1 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 L Dio-1 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.