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Opichlor Tablet

Written By Dr. Lipika Khurana, PGDHHM, BDS
Reviewed By Dr. Rajeev Sharma, MBA, MBBS
Last updated on 25 Nov 2025 | 12:40 AM (IST)
Opichlor Tablet is an antiallergic medication used in the treatment of various allergic conditions. It provides relief from runny nose, sneezing, itching and watery eyes.
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The content is shown in English
Opichlor Tablet image
Opichlor Tablet image
Opichlor Tablet image
Opichlor Tablet image
Opichlor Tablet image

Product introduction

Opichlor Tablet may be taken with or without food. Take it at the same time every day to get the most benefit. The dose and how often you take it depends on what you are taking it for. Your doctor will decide how much you need to improve your symptoms. You should take this medicine for as long as it is prescribed for you. In case, you have missed any doses, take the next dose as soon as you remember it. However, you should never take a double dose.

Use of this medicine may cause some commons side effects such as sleepiness, nausea, dryness in the mouth, and loss of appetite. If these bother you or appear serious, let your doctor know. There may be ways of reducing or preventing them. Avoid driving or attention-seeking activity while on treatment with this medicine. To prevent dryness of mouth, drink more water, always carry sugar candy, or maintain oral hygiene.

Before taking this medicine, let your doctor know if you have glaucoma or have any gastro-related issues or have asthma. Inform your doctor if you are pregnant, or breastfeeding. Your doctor should also know about all other medicines you are taking as many of these may make this medicine less effective or change the way it works. Generally, it is advised to avoid alcohol while on treatment.

Uses of Opichlor Tablet

Benefits of Opichlor Tablet

Treatment of Allergic conditions
Opichlor Tablet is used to treat many different inflammatory and allergic conditions. It helps treat runny nose, sneezing, itching and watery eyes. It works by lowering your immune system’s response to these conditions and prevents the release of substances in the body that cause inflammation. It helps relieve symptoms such as swelling, pain, itching, and other allergic-type reactions. If you are not sure why you are being given this medicine, ask your doctor.
This medicine is given orally (by mouth). You should always take it as it has been prescribed for you. Do not stop taking it without your doctor’s advice. This can cause unpleasant withdrawal symptoms. Because this medicine weakens your immune system, you should avoid being near people who are ill or have infections.

Side effects of Opichlor Tablet

Most side effects do not require any medical attention and disappear as your body adjusts to the medicine. Consult your doctor if they persist or if you’re worried about them
Common side effects of Opichlor
  • Loss of appetite
  • Nausea
  • Dryness in mouth
  • Sleepiness

How to use Opichlor 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. Opichlor Tablet may be taken with or without food.

How Opichlor Tablet works

Opichlor Tablet is an antiallergic medication. When your body is exposed to an allergen (pollen, animal dander, house dust etc.), it produces a chemical called histamine. This causes watery eyes, runny or blocked nose, sneezing, skin rashes, itching etc. Opichlor Tablet works by blocking the action of histamine, thereby relieving these symptoms.

Quick tips

  • Avoid driving or operating dangerous machinery as it may decrease alertness.
  • Avoid consuming alcohol when taking the Opichlor Tablet, as it may cause excessive sleepiness or drowsiness.
  • Avoid driving or operating dangerous machinery as it may decrease alertness.
  • Avoid consuming alcohol when taking the Opichlor Tablet, as it may cause excessive sleepiness or drowsiness.

Safety advice

Alcohol

Alcohol

UNSAFE
Do not drink alcohol while you are taking this medicine. Opichlor Tablet may cause excessive drowsiness when taken with alcohol.
Pregnancy

Pregnancy

CONSULT YOUR DOCTOR
The safety of Opichlor Tablet during pregnancy has not been established. There are no adequate and well-controlled studies in pregnant women, and animal data on reproductive toxicity are insufficient. Your doctor will weigh the benefits and any potential risks before prescribing.
Breast feeding

Breast feeding

CONSULT YOUR DOCTOR
Opichlor Tablet may be unsafe to use during breastfeeding. Limited human data suggests that the drug may pass into the breastmilk and harm the baby. It should be used only if the expected benefit outweighs the potential risk. Please consult your doctor.
Driving

Driving

UNSAFE
Opichlor Tablet may decrease alertness, affect your vision, or make you feel sleepy and dizzy. Do not drive if these symptoms occur.
Kidney

Kidney

CAUTION
Opichlor Tablet should be used with caution in patients with kidney disease. Dose adjustment may be needed.
Liver

Liver

CAUTION
Opichlor Tablet should be used with caution in patients with liver disease. Dose adjustment may be needed.

Interaction with drugs

Taking Opichlor with any of the following medicines can modify the effect of either of them and cause some undesirable side effects
Moderate

Tramadol (Injection Route)

Do not drive or do anything requiring concentration or alertness until you know how the medicines affect you.
Moderate

Trihexyphenidyl (Injection Route)

Talk to your doctor if you notice any unusual symptoms.
Moderate

Clozapine (Oral Route)

Watch out for symptoms such as dry mouth, increased heart rate, urination difficulties, constipation, loss of appetite or nausea and consult your doctor if you experience them.
Moderate

Phenytoin (Oral Route)

Talk to your doctor if you experience Phenytoin side effects such as blurred vision, uncontrolled eye movement, weak muscle control, or drowsiness.
Moderate

Trihexyphenidyl (Oral Route)

Talk to your doctor if you notice any unusual symptoms.

Frequently asked questions

Opichlor Tablet helps control the symptoms of cold or allergies such as red, itchy, watery eyes, sneezing, itchy nose or throat and runny nose.
One of the most common side effects of this medicine is sedation or sleepiness, which can range from slight drowsiness to deep sleep. It is therefore advisable to avoid driving or operating any machinery if you get these side effects.
Using cetirizine together with Opichlor Tablet may increase side effects such as sleepiness, dizziness, and difficulty concentrating. Always consult your doctor before taking any medicines along with Opichlor Tablet; self-medication can be risky.
Yes, you can take paracetamol with Opichlor Tablet after consulting your doctor.
Avoid drinking alcohol while you're taking Opichlor Tablet since it increases the risks of side effects like sleepiness, dizziness, and nausea. Talk to your doctor in case of any doubts.
In order to reduce nausea while taking this medicine, avoid food that is salty, spicy, fried, or fatty. Drink plenty of liquids and eat smaller, more frequent meals.
Yes, dryness in the mouth is a common side-effect of this medicine. Keep sipping water and chew sugar-free gum to get some relief.
If you happen to miss a dose, take the missed dose as soon as you remember. Skip the missed dose if it is almost time for your next scheduled dose. Do not take extra medicine to make up for the missed dose. Discuss this with your healthcare provider. In order to avoid missing a dose, use a calendar, pillbox, alarm clock, or cell phone alert to help you remember to take your medication. You may also ask a family member a friend to remind you or check in with you to be sure you are taking your medication.
The best way to prevent any sort of allergic reaction is to avoid the substance (dust, pet fur, and hair, insect bites, food allergies) that you're allergic to if you can. If you have hay fever, try not to spend too much time outside when the pollen count is high. Shower and change your clothes after you have been outside to wash off pollen. Wear a mask to cover your nose, mouth and wear wraparound sunglasses to stop dust from getting into your eyes whenever you step outside.

Fact Box

Chemical Class

Pheniramines

Habit Forming

No

Therapeutic Class

RESPIRATORY

Action Class

First-Generation H1 Antihistamines
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Disclaimer

Tata 1mg's sole intention is to ensure that its consumers get information that is expert-reviewed, accurate and trustworthy. However, the information contained herein should NOT be used as a substitute for the advice of a qualified physician. The information provided here is for informational purposes only. This may not cover everything about particular health conditions, lab tests, medicines, all possible side effects, drug interactions, warnings, alerts, etc. Please consult your doctor and discuss all your queries related to any disease or medicine. We intend to support, not replace, the doctor-patient relationship.

Marketer details

Name: Overseas Pharma Pvt Ltd
Address: 941, 21st Main Rd, Siddanna Layout, Banashankari Stage II, Banashankari, Bengaluru, Karnataka 560070

Vendor Details

Country of origin: India
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