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OTC · No prescriptionDr Reddys Laboratories LtdAntacid

Omez Reflux Chew 500+100 Tablet

Calcium carbonate 500 mg + Sodium bicarbonate 100 mg (chewable tablet)

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Omez Reflux Chew 500+100 Tablet is used for relief of acidity, heartburn, acid reflux (GERD symptoms), sour stomach and indigestion due to excess gastric acid.

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

Licensed pharmacyPharmacist-verified order

Key details

Salt: Calcium carbonate 500 mg + Sodium bicarbonate 100 mg (chewable tablet)
Available variants: tablet 500mg + 100mg 10`S
Best price: ₹80 (₹8.02 per tablet)
MRP: ₹84
Prescription: Not required
Manufacturer: DR.REDDYS

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 Omez Reflux Chew 500+100 Tablet

Omez Reflux Chew 500+100 Tablet contains Calcium carbonate 500 mg + Sodium bicarbonate 100 mg (chewable tablet). It belongs to the Antacids (calcium salt + systemic antacid) class of medicines.

Uses of Omez Reflux Chew 500+100 Tablet

  • Relief of acidity
  • heartburn
  • acid reflux (GERD symptoms)
  • sour stomach and indigestion due to excess gastric acid

Key benefits

  • Fast relief from heartburn
  • Neutralizes excess stomach acid
  • Helps relieve acid reflux symptoms
  • Reduces sour stomach and indigestion

How Omez Reflux Chew 500+100 Tablet works

Calcium carbonate and sodium bicarbonate are antacids that neutralize excess stomach acid. This reduces irritation of the food pipe and stomach, providing fast relief from heartburn and acidity.

How to take Omez Reflux Chew 500+100 Tablet

Chew the tablet completely (do not swallow whole) and then swallow. Take as needed for heartburn/acid indigestion or as directed by a doctor; commonly taken after meals and/or at bedtime. Do not exceed the recommended daily dose on the label.

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 raise blood calcium dangerously, causing thirst, frequent urination, vomiting, confusion and kidney damage. It can cause severe loose motions or constipation and disturb the body's salt balance. Do not wait for symptoms to appear — go to the nearest emergency department and take the pack or strip with you.

Side effects of Omez Reflux Chew 500+100 Tablet

Most side effects of Omez Reflux Chew 500+100 are mild and settle as the body adjusts. Reported side effects include:

  • Constipation
  • belching
  • gas
  • nausea
  • stomach upset
  • chalky taste
  • diarrhea (rare)

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 Omez Reflux Chew 500+100 Tablet

PregnancyConsult doctor
BreastfeedingConsult your doctor before using this while breastfeeding.
AlcoholUse with caution
DrivingNot expected to affect your ability to drive.
KidneyConsult your doctor if you have kidney disease.
LiverUse with caution if you have liver disease — your doctor may adjust the dose or monitor your liver function.
Habit formingNo

Warnings and precautions

Use with caution in kidney disease, history of kidney stones, high blood calcium, or on a sodium-restricted diet. Prolonged or excessive use may cause electrolyte imbalance, milk-alkali syndrome (hypercalcemia) or metabolic alkalosis. If symptoms persist beyond 14 days, or you have severe abdominal pain, vomiting, black stools or weight loss, seek medical advice.

Do not take Omez Reflux Chew 500+100 if

Not for anyone with a known allergy to this medicine or to any ingredient in the pack. Not for people with a high blood calcium level, or with certain kidney stones. Magnesium-containing antacids are avoided in significant kidney disease.

Interactions with other medicines

May reduce absorption of tetracyclines, fluoroquinolones, iron salts, levothyroxine, bisphosphonates—separate by 2-4 hours. Increased risk of hypercalcemia with thiazide diuretics; reduced effect of some antifungals (e.g., ketoconazole/itraconazole) due to raised gastric pH.

How to store Omez Reflux Chew 500+100 Tablet

Store below 25°C in a cool, dry place. Protect from moisture and heat. Keep in original pack and out of reach of children.

Expert advice for Omez Reflux Chew 500+100 Tablet

Take calcium with food, and split the day's total if you take a large amount. Sunlight helps your body make its own vitamin D. Have your level rechecked as your doctor advises rather than continuing high doses indefinitely. Take it after meals and at bedtime when symptoms are worst. Avoid late heavy meals, and raise the head of your bed if symptoms wake you at night.

Manufacturer and class

Manufacturer:
DR.REDDYS
Therapeutic class:
Antacid
Drug class:
Antacids (calcium salt + systemic antacid)

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Omez Reflux Chew 500+100 Tablet FAQs

What is Omez Reflux Chew 500+100 Tablet used for?
Omez Reflux Chew 500+100 Tablet is commonly used for Relief of acidity, heartburn, acid reflux (GERD symptoms), sour stomach and indigestion due to excess gastric acid. 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 Omez Reflux Chew 500+100 Tablet?
Omez Reflux Chew 500+100 Tablet contains Calcium carbonate 500 mg + Sodium bicarbonate 100 mg (chewable tablet). 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 Omez Reflux Chew 500+100 Tablet?
Chew the tablet completely (do not swallow whole) and then swallow. Take it exactly as prescribed; do not change the dose or stop early without talking to your doctor.
How does Omez Reflux Chew 500+100 Tablet work?
Calcium carbonate and sodium bicarbonate are antacids that neutralize excess stomach acid.
Is Omez Reflux Chew 500+100 Tablet a prescription medicine?
No. Omez Reflux Chew 500+100 Tablet is available over the counter (OTC), no prescription is required. However, it is always safer to consult a doctor or pharmacist before use.
What are the common side effects of Omez Reflux Chew 500+100 Tablet?
The side effects reported most often with Omez Reflux Chew 500+100 are Constipation, belching, gas, nausea, stomach upset. 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 Omez Reflux Chew 500+100 Tablet be taken during pregnancy?
Consult doctor Always tell your doctor if you are pregnant, planning a pregnancy or breastfeeding before starting Omez Reflux Chew 500+100.
Can I drink alcohol while taking Omez Reflux Chew 500+100 Tablet?
Use with caution
What if I miss a dose of Omez Reflux Chew 500+100 Tablet?
Take it as soon as you remember.
Is Omez Reflux Chew 500+100 Tablet habit forming?
No. Omez Reflux Chew 500+100 Tablet is not known to be habit forming when taken as prescribed.
How much does Omez Reflux Chew 500+100 Tablet cost on PingMeDoc Pharmacy?
Omez Reflux Chew 500+100 Tablet starts at ₹80 (MRP ₹84) on PingMeDoc Pharmacy. Available in tablet 500mg + 100mg 10`S. Final price is confirmed at checkout and may vary by variant and location.
Who manufactures Omez Reflux Chew 500+100 Tablet?
Omez Reflux Chew 500+100 Tablet is manufactured by DR.REDDYS. PingMeDoc Pharmacy sources medicines only from licensed manufacturers and distributors.
How is Omez Reflux Chew 500+100 Tablet delivered?
Omez Reflux Chew 500+100 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.

Omez Reflux Chew 500+100 Tablet, Quick facts

Salt
Calcium carbonate 500 mg + Sodium bicarbonate 100 mg (chewable tablet)
Form
tablet
Best price
₹80 (₹8.02 per tablet)
MRP
₹84
Prescription
Not required (OTC)
Brand
Dr Reddys Laboratories Ltd
Manufacturer
DR.REDDYS
Therapeutic class
Antacid
Drug class
Antacids (calcium salt + systemic antacid)
Habit forming
No
Variants
tablet 500mg + 100mg 10`S
Delivery
Standard across India

References

The information on Omez Reflux Chew 500+100 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. Manufacturer labeling, established medical literature on antacids, standard drug references used in Indian clinical practice
  2. Central Drugs Standard Control Organisation (CDSCO), Ministry of Health & Family Welfare, Government of India, approved drug and schedule listings.
  3. National List of Essential Medicines (NLEM) 2022, Government of India.
  4. Manufacturer's package insert / prescribing information for Omez Reflux Chew 500+100 Tablet.
  5. 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.