Lomac 20 Capsule 15

Cipla Ltd.

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STRIP of 15 Units

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Composition

Omeprazole (20 Mg)

Lomac 20 Capsule is used to treat acid-related conditions such as acid reflux, heartburn and stomach ulcers. It contains omeprazole, a proton pump inhibitor.

This medicine reduces the production of stomach acid, protecting the stomach lining and supporting healing of ulcers and irritation. Take the capsule before meals for the best effect, following the prescribed dose and duration.

Avoiding spicy or fatty foods and not lying down soon after eating can help ease symptoms alongside this medicine.

Consult your doctor before starting, and tell them if you have liver disease or are taking other medicines, as it may interact with certain medicines. Report black stools or persistent stomach pain to your doctor.

Lomac 20 Capsule is used to manage acid reflux, heartburn and peptic ulcers, reducing stomach acid production and relieving burning and irritation while supporting healing.

Uses of Lomac 20 Capsule are:

Acid Reflux and Heartburn: Relieves burning discomfort caused by excess stomach acid.
Peptic Ulcers: Supports healing of inflamed or ulcerated areas of the digestive tract.

Here's how you should take Lomac 20 Capsule 15:

Swallow the capsule whole with a glass of water.
Do not chew or crush the capsule.
Take it preferably on an empty stomach, at least 1 hour before a meal.
Always follow your doctor's advice on how and when to take this medicine.

Lomac 20 Capsule 15 is taken orally.

Lomac 20 Capsule may cause some side effects that are usually mild and go away as your body adjusts to the medicine.

A few Common Side Effects of Lomac 20 Capsule:

Digestive: Nausea, vomiting, diarrhoea, abdominal pain and flatulence.
Neurological: Headache and dizziness.
Metabolic: Low magnesium levels with long-term use.
General: Fatigue and mild weakness.

If side effects do not improve or become serious, stop taking the medicine and speak to your doctor right away.

Management Of Side Effects:

Most side effects are temporary and generally harmless, which resolve upon discontinuing the use of Lomac 20 Capsule 15. However, if you experience any serious side effects or worsening of any of the symptoms, please consult your doctor.

Lomac 20 Capsule 15 contains omeprazole (20 mg). Here's how it works:

Blocks H+/K+ ATPase enzyme system: The active ingredient omeprazole in Lomac 20 Capsule 15 effectively blocks the H+/K+ ATPase enzyme system, also known as the proton pump. This enzyme system is found in gastric parietal cells, which are responsible for secreting stomach acid.
Reduces Stomach Acid Production: By inhibiting this proton pump, omeprazole significantly reduces the amount of acid produced in the stomach. This action helps manage symptoms and promotes healing in various gastrointestinal conditions related to excessive stomach acid.

Pregnancy

Is it safe to use Lomac 20 Capsule 15 during pregnancy?

Lomac 20 Capsule 15 should not be taken if you are pregnant unless a doctor has advised it is safe. Always consult your doctor before starting this medicine.

Breastfeeding

Is it safe to use Lomac 20 Capsule 15 during breastfeeding?

If you are breastfeeding, it's advised to avoid taking Lomac 20 Capsule 15 unless your doctor advises the benefits outweigh the risks.

Alcohol

Is it safe to drink alcohol while using Lomac 20 Capsule 15?

There is no known interaction between alcohol and Lomac 20 Capsule 15. However, excess alcohol can worsen certain stomach conditions that this medication is commonly used to manage.

Liver

Is it advisable to use Lomac 20 Capsule 15 when experiencing liver problems?

This medicine should be used with caution if you have liver problems. Your doctor may adjust your dosage or monitor your liver functions closely during treatment.

Kidney

Is it advisable to use Lomac 20 Capsule 15 when experiencing kidney problems?

Caution is advised while taking this medicine if you have kidney health issues. It is best to consult your doctor before taking this medicine.

Use In Driving And Operating Machinery

Is it safe to operate heavy machinery or drive when using Lomac 20 Capsule 15?

Lomac 20 Capsule 15 does not usually affect your ability to drive or operate machinery. However, if you experience side effects such as dizziness, avoid these activities until you feel well enough.

Allergy

Are there any specific conditions that should be considered before using Lomac 20 Capsule 15?

Do not take Lomac 20 Capsule 15 if you are allergic to omeprazole or any other ingredients in the capsule. If you experience an allergic reaction, seek medical help immediately.

Children

Is Lomac 20 Capsule 15 suitable for infants or children?

The safety and efficacy for Lomac 20 Capsule 15 has not been established below 1 year of age. Always consult your doctor before giving any medicine to a child.

Older Patients

Is Lomac 20 Capsule 15 suitable for older patients?

Older patients should take Lomac 20 Capsule 15 under medical supervision due to the increased risk of osteoporosis and bone fractures with long-term use. Caution is advised, especially for patients above 70 who might also be on other medication. Your doctor will guide you based on your health status.

Drug-Drug Interactions

Lomac 20 Capsule 15 can interact with the following medicines:

Iron Salts: Lomac 20 Capsule 15 can decrease the absorption of iron salts due to its effect on gastric pH.
Anticoagulants and Antiplatelet Agents: There's an increased risk of bleeding when you take Lomac 20 Capsule 15 with medications like warfarin or clopidogrel.
CYP2C19 and CYP3A4 Metabolised Medicines: Lomac 20 Capsule 15 can alter the metabolism of medications such as diazepam and phenytoin, which are metabolised by these enzymes.

Drug-Food Interactions

Certain foods might interact with Lomac 20 Capsule 15. The details are as follows:

Acidic Foods: Acidic foods might increase stomach acid, counteracting the effects of Lomac 20 Capsule 15.
High-fat Foods: Consuming high-fat foods can slow down the absorption of Lomac 20 Capsule 15, making it less effective.

Drug-Disease Interactions

Lomac 20 Capsule 15 may interact with the following diseases:

Liver Disease: If you have liver disease, be cautious, as Lomac 20 Capsule 15 is extensively metabolised in the liver, potentially exacerbating your condition.
Osteoporosis: Long-term use of Lomac 20 Capsule 15 may increase the risk of bone fractures in patients with osteoporosis.

Daily Dose

You are advised to take Lomac 20 Capsule 15 as prescribed by your doctor. The dosage may vary depending on factors like the severity of your condition and how you respond to the medication. Please ensure you adhere to the prescribed dosage and avoid exceeding it without consulting your doctor.

Over Dose

In case you accidentally take more than the prescribed amount of Lomac 20 Capsule 15, you might experience common symptoms like nausea, vomiting, or abdominal discomfort. In such a scenario, it's important to inform your doctor about it.

Missed Dose

If you forget to take your regular dose of Lomac 20 Capsule 15, make sure to take it as soon as you remember. However, if it's nearly time for your next dose, skip the missed one and continue with your regular dosage schedule. Do not increase your dosage without discussing it with your doctor.

Store Lomac 20 Capsule 15 at room temperature, ideally between 20-25°C.
Keep the medicine in a dry place, shielded from direct light and moisture.
Ensure you keep this medicine out of reach of children.
Always use the medicine before its expiry date.

If you're experiencing gastro-oesophageal reflux disease (GERD) or acid reflux, try reducing your intake of spicy and fatty foods. These can aggravate your symptoms by increasing stomach acid production.
For those managing peptic ulcer disease, try to avoid alcohol and smoking as these habits can worsen your condition by promoting stomach acidity.

Fact Box

Dosage Forms Available	Capsule
Habit Forming	No
Ailment	GERD, Peptic ulcer, Zollinger-Ellison syndrome
Drug Category	Proton pump inhibitor
Therapeutic Category	Gastrointestinal agent

What is Lomac 20 Capsule 15 used for?

Lomac 20 Capsule 15 contains omeprazole, a proton pump inhibitor used primarily to reduce stomach acid. It is prescribed for conditions such as acid reflux (GERD), heartburn, peptic ulcers, erosive esophagitis, Zollinger-Ellison syndrome, and for eradicating H. pylori infection when combined with antibiotics.

How does Lomac 20 Capsule 15 work?

Lomac 20 Capsule 15 contains omeprazole, which reduces the amount of acid produced by your stomach, offering relief from symptoms.

How should I take Lomac 20 Capsule 15?

Swallow the capsule whole with water. It is advisable to take it on an empty stomach and as prescribed by your doctor.

Can I break Lomac 20 Capsule 15 if I can't swallow it?

Lomac 20 Capsule 15 should be swallowed whole with water. Do not break, chew, or crush it, as this can reduce its effectiveness and irritate the stomach. If you have difficulty swallowing capsules, consult your doctor for suitable alternatives, such as a liquid or dispersible form.

What are the side effects of Lomac 20 Capsule 15?

Common side effects include headache, abdominal pain, nausea, vomiting, diarrhoea or constipation, flatulence and dizziness.

Are there any precautions while taking Lomac 20 Capsule 15?

Yes, it's crucial to use cautiously in cases of liver impairment, pregnancy, breastfeeding and in elderly patients due to increased risk of bone fractures.

Can Lomac 20 Capsule 15 interact with other medicines?

Yes, omeprazole may interact with other medications affecting their absorption or metabolism. Always inform your doctor about all medicines you are taking.

Last Updated On 18 Sep. 2026 | 10:06AM (IST)

Certified Content

Written by

Ashmita Borgohain

Medical Content Writer | 14 years

MSc (Applied Genetics)

Reviewed by

Dr. Osama Ahmed

Medical Content Writer | 4 years

Bachelor of Dental Surgery

Check out Editorial Policy

Manufacturer details

Cipla House, Peninsula Business Park, Ganpatrao Kadam Marg, Lower Parel, Mumbai-400013

Country of origin: INDIA

Expiry on or after: January 2027

In case of any issues, contact us:

support@truemeds.in|09240250346

Address: 6th floor, Urmi Corporate Park Solaris, Saki Vihar Road, Andheri East, Mumbai 400071

References

U.S. National Library of Medicine. (n.d.). OMEPRAZOLE- omeprazole capsule, delayed release. DailyMed. Retrieved from https://dailymed.nlm.nih.gov/dailymed/fda/fdaDrugXsl.cfm?setid=af85afda-6b0c-d657-e053-2a95a90afb4b&type=display
Omeprazole: MedlinePlus Drug Information. (n.d.). https://medlineplus.gov/druginfo/meds/a693050.html
Omeprazole. (2024, January 1). PubMed. https://pubmed.ncbi.nlm.nih.gov/30969608/
U.S. Food and Drug Administration. (n.d.). Label: OMEPRAZOLE- omeprazole magnesium capsule, delayed release. Retrieved from https://www.accessdata.fda.gov/drugsatfda_docs/label/2024/022281Orig1s017correctedlbl.pdf
Omeprazole: Uses, Interactions, Mechanism of Action | DrugBank Online. (n.d.). DrugBank. https://go.drugbank.com/drugs/DB00338
PubChem. (n.d.-o). Omeprazole. PubChem. https://pubchem.ncbi.nlm.nih.gov/compound/omeprazole

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We, at Truemeds make a diligent attempt to deliver accurate, expert- drafted and thoroughly reviewed medicine related information to our consumers. However, it should, by no means, be considered a substitute for prescription from a certified doctor or a trustworthy doctor-patient relationship. In fact we detest any form of self medication without expert advice. The sole purpose of the information on our portal is to educate our consumers, which helps improve the communication between a doctor and a patient. The information by no means is complete in its entirety and should not be used to diagnose or treat any medical condition. No amount of information can replace the experience and expertise of a doctor, therefore his/her advice always holds priority and should be followed appropriately.

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