Topcid 40 Tablet

Reviewed By Dr. Rajeev Sharma, MBA, MBBS

Last updated on 09 Feb 2026 | 03:40 PM (IST)

Topcid 40 Tablet is an antacid that helps decrease the amount of acid produced in the stomach. It is used to treat and prevent heartburn, gastric ulcers, acid reflux disease (GERD), and other conditions where controlling stomach acid is beneficial.

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General Information

Contains

Famotidine (40mg)

Marketer

Torrent Pharmaceuticals Ltd

Storage

Store below 30°C

The content is shown in English

Product introduction

Topcid 40 Tablet is also commonly prescribed to prevent stomach ulcers and heartburn caused due to the use of painkillers. It must be swallowed whole with water before or after a meal. The medicine must be taken in the dose and duration advised by the doctor. This medicine should relieve indigestion and heartburn within a few hours. If the symptoms persist or get worse even after 14 days of treatment, you should consult your doctor immediately. It is not recommended to take this medicine in severe stomach disease. You can help the medicine work better by eating smaller meals more often and avoiding spicy or oily foods.

Most people who take Topcid 40 Tablet do not have any side effects but the most common ones include headache, dizziness, drowsiness, diarrhea, and constipation. If you do get a side effect, it is usually mild and will go away when you stop taking this medicine or as you adjust to it. Consult your doctor if any of these side effects bother you or do not go away.

Before taking it, you should tell your doctor if you have any kidney or liver diseases so that your doctor can prescribe a suitable dose for you. Also, tell your doctor if you are taking other medications. This medicine is usually considered safe to take during pregnancy and breastfeeding if a doctor has prescribed it. Avoid drinking alcohol as this can increase the amount of acid in your stomach, and make your symptoms worse.

Uses of Topcid Tablet

Benefits of Topcid Tablet

Treatment of Gastroesophageal reflux disease (Acid reflux)
Topcid 40 Tablet helps reduce the production of stomach acid, which minimizes acid reflux into the esophagus. This leads to reduced burning sensations in the chest, less discomfort after meals, and fewer nighttime symptoms. As a result, patients can sleep better, eat normally, and carry out daily activities without constant irritation or worry about acid regurgitation.

Treatment of Stomach ulcers
In gastric ulcers, Topcid 40 Tablet lowers the acid level in the stomach, giving the damaged tissue time to heal while reducing pain and irritation. Patients often experience less abdominal discomfort, less bloating, and improved appetite. This promotes a more comfortable daily life, with fewer dietary restrictions and overall improvement in well-being.

Treatment of Heartburn
Topcid 40 Tablet quickly reduces excessive acid production, which helps relieve burning sensations in the chest and throat. This brings fast-acting comfort and allows patients to enjoy meals again without anticipating discomfort. Better symptom control also means better mobility, emotional comfort, and confidence in social and eating situations.

Side effects of Topcid 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 Topcid

Drowsiness
Headache
Diarrhea
Constipation

How to use Topcid 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. Topcid 40 Tablet should be taken with or after food.

How Topcid Tablet works

Topcid 40 Tablet is a histamine H2 receptor antagonist. It works by reducing the acid produced in the stomach. This helps to relieve acid-related indigestion and heartburn.

All substitutes for Topcid 40 Tablet

For information purposes only. Consult a doctor before taking any medicine.

Quick tips

Take antacids or other acidity medicines at least 2 hours before or after taking Topcid 40 Tablet to avoid interference with its effect.
Limit soft drinks, alcohol, and acidic foods like lemon and orange, as they may increase stomach acid and worsen symptoms.
If your symptoms persist after 2 weeks of use, speak to your doctor for further evaluation, as another condition may be present.
Inform your doctor if you have any kidney problems, as your dose of Topcid 40 Tablet may need to be adjusted.
Do not stop taking Topcid 40 Tablet suddenly without consulting your doctor, even if you start feeling better.

Safety advice

Alcohol

UNSAFE

Do not drink alcohol while you are taking this medicine. Topcid 40 Tablet may cause excessive drowsiness when taken with alcohol.

Pregnancy

CONSULT YOUR DOCTOR

The safety of Topcid 40 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

CONSULT YOUR DOCTOR

Topcid 40 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

UNSAFE

Topcid 40 Tablet may decrease alertness, affect your vision, or make you feel sleepy and dizzy. Do not drive if these symptoms occur.

Kidney

CAUTION

Topcid 40 Tablet should be used with caution in patients with kidney disease. Dose adjustment may be needed.

Liver

SAFE IF PRESCRIBED

Topcid 40 Tablet is safe to use in patients with liver disease. No dose adjustment is recommended.

Interaction with drugs

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

Severe

Dasatinib (Oral Route)

Famotidine may reduce blood levels and efficacy of Dasatinib. Famotidine may reduce blood levels and efficacy of Dasatinib.

Severe

Pazopanib (Oral Route)

Famotidine may reduce blood levels of Pazopanib. Famotidine may reduce blood levels of Pazopanib.

Moderate

Cefpodoxime Proxetil (Oral Route)

To take Cefpodoxime Proxetil, ensure a gap of at least 2 hours before taking Famotidine. Famotidine may reduce blood levels of Cefpodoxime Proxetil.

Moderate

Ketoconazole (Oral Route)

If concurrent use is essential, your doctor may recommend you to take Ketoconazole with an acidic drink (like cola), monitor your treatment and adjust the doses as per the observations. Famotidine may reduce blood levels of Ketoconazole.

Moderate

Itraconazole (Oral Route)

Your doctor may monitor the effects of Itraconazole along with your overall treatment and adjust the doses as per the observations. Famotidine may reduce the efficacy of Itraconazole.

Frequently asked questions

Can I take Topcid 40 Tablet empty stomach?

Topcid 40 Tablet may be taken with or without food. It can be taken once daily before bedtime or twice daily in the morning and before bedtime, as recommended.

How long does it take for Topcid 40 Tablet to start working?

Topcid 40 Tablet starts working as fast as within 15 minutes from when it is given. Its effect is seen to last all day or all night.

What is the difference between Topcid 40 Tablet and Omeprazole?

Topcid 40 Tablet and Omeprazole belong to different groups of medicines. While Topcid 40 Tablet belongs to histamine H2 antagonists group, Omeprazole belongs to proton pump inhibitors group. Both these medicines work by reducing the amount of acid made by the stomach, to relieve the symptoms and allow healing.

What are the serious side effects of Topcid 40 Tablet?

Topcid 40 Tablet may have some serious side effects, but these are rare. These side effects may include hives, skin rash, itching, hoarseness and difficulty in breathing or swallowing. Another serious symptom may be swelling of the face, throat, tongue, lips, eyes, hands, feet, ankles, or lower legs. Inform your doctor in case you notice any of the mentioned symptoms.

What are the dos and don’ts while taking Topcid 40 Tablet?

Avoid taking aspirin and other painkillers used to treat arthritis, period pain or headache. These medicines may irritate the stomach and make your condition worse. Contact your doctor who may suggest other medicines. Avoid coffee, tea, cocoa and cola drinks because these contain ingredients that may irritate your stomach. Eat smaller, more frequent meals. Eat slowly and chew your food carefully. Try not to rush at meal times. You should stop or cut down on smoking.

Is Topcid 40 Tablet safe for long-term use?

There is limited data available on whether Topcid 40 Tablet can be used for a long term or not, but it is a relatively safe medicine. You should take it for the duration advised by your doctor. Do not take over-the-counter Topcid 40 Tablet for longer than 2 weeks unless advised by your doctor.

Fact Box

Chemical Class

2,4- disubstituted thiazoles

Habit Forming

Therapeutic Class

GASTRO INTESTINAL

Action Class

Histamine Type-2 Receptor Antagonists (H2 Blockers)

Related lab tests

Helicobacter Pylori IgA

Helicobacter Pylori IgG

Helicobacter Pylori IgM

References

User feedback

Patients taking Topcid 40 Tablet

Once A Day

80%

Twice A Day

20%

What are you using Topcid Tablet for?

Acidity

56%

Others

22%

Heartburn

11%

Stomach ulcers

Intestinal ulcers

How much was the improvement?

Excellent

42%

Average

30%

Poor

27%

What were the side-effects while using Topcid 40 Tablet?

Fatigue

23%

Dizziness

23%

Muscle pain

15%

Nausea

No Side Effect

How do you take Topcid Tablet?

With food

38%

With or without food

31%

Empty stomach

31%

Please rate Topcid 40 Tablet on price

Expensive

51%

Not Expensive

31%

Average

18%

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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: Torrent Pharmaceuticals Ltd
Address: Off. Ashram Road, Ahmedabad - 380 009., Gujarat, India

Vendor Details

Country of origin: India
A licensed vendor partner from your nearest location will deliver Topcid 40 Tablet. Once the pharmacy accepts your order, the details of the pharmacy will be shared with you. Acceptance of your order is based on the validity of your doctor's ℞ and the availability of this medicine.

In case of any issues, contact us

Email ID: [email protected]
Phone Number: 0124-4166666
Address: 5th Floor Tower - B of the Presidency Building, 46/4 Mehrauli Gurgaon Road, Sector 14, Gurugram, Haryana-122001, India

Lab tests offered by us

Why we need a prescription?

Provide right medicines

Prescriptions are complex documents. We proof read and recheck at various steps to provide you the right medication in the correct form and dose

In accordance with the law

Most medicines cannot be sold without a valid prescription, as per the Drugs and Cosmetics Act, 1940 and Rules, 1945

Topcid 40 Tablet

Save more with additional offers

Save more with additional offers

General Information

Contains

Marketer

Storage

Product introduction

Uses of Topcid Tablet

Benefits of Topcid Tablet

Side effects of Topcid Tablet

How to use Topcid Tablet

How Topcid Tablet works

All substitutes for Topcid 40 Tablet

Famonext 40mg Tablet

Famocid 40 Tablet

Famtac Tablet

Quick tips

Safety advice

Alcohol

Pregnancy

Breast feeding

Driving

Kidney

Liver

Interaction with drugs

Dasatinib (Oral Route)

Pazopanib (Oral Route)

Cefpodoxime Proxetil (Oral Route)

Ketoconazole (Oral Route)

Itraconazole (Oral Route)

Frequently asked questions

Can I take Topcid 40 Tablet empty stomach?

How long does it take for Topcid 40 Tablet to start working?

What is the difference between Topcid 40 Tablet and Omeprazole?

What are the serious side effects of Topcid 40 Tablet?

What are the dos and don’ts while taking Topcid 40 Tablet?

Is Topcid 40 Tablet safe for long-term use?

Fact Box

Chemical Class

Habit Forming

Therapeutic Class

Action Class

Related lab tests

Helicobacter Pylori IgA

Helicobacter Pylori IgG

Helicobacter Pylori IgM

References

User feedback

Patients taking Topcid 40 Tablet

What are you using Topcid Tablet for?

How much was the improvement?

What were the side-effects while using Topcid 40 Tablet?

How do you take Topcid Tablet?

Please rate Topcid 40 Tablet on price

Want to know more

Have issue with the content

Disclaimer

Marketer details

Vendor Details

In case of any issues, contact us

Lab tests offered by us

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