Accumist Eyedrops
Accvus Pharma - 10 ml
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Prescription required
Prescription requiredAccvus PharmaAnti-allergic
Histamast Eye Drops
OLOPATADINE-0.1%W/V
₹143MRP ₹150In stock
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Histamast Eye Drops 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 orderDelivered across India
Key details
Salt: OLOPATADINE-0.1%W/V
Available variants: drop 0.1%w/v 5ML
Best price: ₹143 (₹28.50 per ml)
MRP: ₹150
Prescription: Required
Manufacturer: ACCVUS PHARMA
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 Histamast Eye Drops
Histamast Eye Drops contains OLOPATADINE-0.1%W/V. It belongs to the Antihistamine / leukotriene antagonist class of medicines.
Uses of Histamast Eye Drops
- 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 Histamast Eye Drops works
Olopatadine blocks the chemical messengers your body releases during an allergic reaction, which relieves sneezing, a running nose, watering eyes and itching.
How to take Histamast Eye Drops
Wash your hands. Tilt your head back, pull the lower lid down to make a small pocket and squeeze one drop into it, then close the eye gently for a minute. Do not let the dropper tip touch your eye, your fingers or any surface. 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
Apply it as soon as you remember. If it is nearly time for the next application, skip the missed one — applying extra does not make up for it.
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 Histamast Eye Drops
Most side effects of Histamast 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 Histamast Eye Drops
| Pregnancy | Consult your doctor before using this in pregnancy. |
|---|---|
| Breastfeeding | Consult your doctor before using this while breastfeeding. |
| Alcohol | Do not drink alcohol while taking this medicine. |
| Driving | May cause drowsiness or affect your concentration. Do not drive until you know how it affects you. |
| Kidney | Use with caution if you have kidney disease — your doctor may adjust the dose or monitor your kidney function. |
| Liver | Use with caution if you have liver disease — your doctor may adjust the dose or monitor your liver function. |
| 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 Histamast 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 Histamast Eye Drops
Store below 30°C, away from direct sunlight. Discard the bottle one month after you first open it, even if some is left. Keep out of the reach of children.
Expert advice for Histamast Eye Drops
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:
- ACCVUS PHARMA
- Therapeutic class:
- Anti-allergic
- Drug class:
- Antihistamine / leukotriene antagonist
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Histamast Eye Drops FAQs
What is Histamast Eye Drops used for?
Histamast Eye Drops 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 Histamast Eye Drops?
Histamast Eye Drops contains OLOPATADINE-0.1%W/V. 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 Histamast Eye Drops?
Wash your hands. Take it exactly as prescribed; do not change the dose or stop early without talking to your doctor.
How does Histamast Eye Drops work?
Olopatadine blocks the chemical messengers your body releases during an allergic reaction, which relieves sneezing, a running nose, watering eyes and itching.
Is Histamast Eye Drops a prescription medicine?
Yes. Histamast Eye Drops 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 Histamast Eye Drops?
The side effects reported most often with Histamast 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 Histamast Eye Drops 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 Histamast.
Can I drink alcohol while taking Histamast Eye Drops?
Do not drink alcohol while taking this medicine.
What if I miss a dose of Histamast Eye Drops?
Apply it as soon as you remember.
Is Histamast Eye Drops habit forming?
No. Histamast Eye Drops is not known to be habit forming when taken as prescribed.
How much does Histamast Eye Drops cost on PingMeDoc Pharmacy?
Histamast Eye Drops starts at ₹143 (MRP ₹150) on PingMeDoc Pharmacy. Available in drop 0.1%w/v 5ML. Final price is confirmed at checkout and may vary by variant and location.
Who manufactures Histamast Eye Drops?
Histamast Eye Drops is manufactured by ACCVUS PHARMA. PingMeDoc Pharmacy sources medicines only from licensed manufacturers and distributors.
How is Histamast Eye Drops delivered?
Histamast Eye Drops 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.
Histamast Eye Drops, Quick facts
- Salt
- OLOPATADINE-0.1%W/V
- Form
- drop
- Best price
- ₹143 (₹28.50 per ml)
- MRP
- ₹150
- Prescription
- Required (Rx)
- Brand
- ACCVUS PHARMA
- Manufacturer
- ACCVUS PHARMA
- Therapeutic class
- Anti-allergic
- Drug class
- Antihistamine / leukotriene antagonist
- Habit forming
- No
- Variants
- drop 0.1%w/v 5ML
- Delivery
- Standard across India
References
The information on Histamast Eye Drops 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.
- 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 Histamast Eye Drops.
- 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.