Rantac OD 300 Tablet CR

Prescription Required
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Overview

Uses of Rantac Tablet CR
Rantac OD 300 Tablet CR is used in the treatment of acidity, heartburn and stomach ulcers.
Rantac Tablet CR side effects
Common
  • Sleepiness
  • Headache
  • Tiredness
  • Constipation
  • Diarrhoea
How to use Rantac Tablet CR
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. Rantac OD 300 Tablet CR may be taken with or without food, but it is better to take it at a fixed time.
How Rantac Tablet CR works
Rantac OD 300 Tablet CR is a H2 blocker (antacid). It works by reducing the amount of acid in the stomach which helps in relief of acid related indigestion and heartburn.
Rantac Tablet CR related warnings
Alcohol
CAUTION
Alcohol use can increase acid secretion, acid reflux in food pipe causing heartburn and decreasing effect of this drug. Rantac OD 300 Tablet CR can also decrease alcohol breakdown and increase its level in blood.
Pregnancy
PROBABLY SAFE
Rantac OD 300 Tablet CR is probably safe to use during pregnancy.
Animal studies have shown low or no adverse effect on the foetus, however, there are limited human studies. Please consult your doctor.
Lactation
Rantac OD 300 Tablet CR is probably safe to use during lactation. Limited human data suggests that the drug does not represent a significant risk to the baby.
Driving
SAFE
Rantac OD 300 Tablet CR does not usually affect your ability to drive.
Kidney
CAUTION
Rantac OD 300 Tablet CR should be used with caution in patients with kidney disease. Dose adjustment of Rantac OD 300 Tablet CR may be needed. Please consult your doctor.
Liver
CAUTION
Rantac OD 300 Tablet CR should be used with caution in patients with liver disease. Dose adjustment of Rantac OD 300 Tablet CR may be needed. Please consult your doctor.
What if you miss a dose of Rantac Tablet CR?
If you miss a dose of Rantac OD 300 Tablet CR, take it as soon as possible. However, if it is almost time for your next dose, skip the missed dose and go back to your regular schedule. Do not double the dose.

Alternate Brands

For informational purposes only. Consult a doctor before taking any medicines.
No alternate brands found for this medicine

Expert Advice

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  • Rantac OD 300 Tablet CR is a well tolerated and safe medicine with a very low incidence of side effects.
  • Take Rantac OD 300 Tablet CR before going to bed if you are taking this medicine once a day as it is very effective in controlling stomach acid released in the midnight.
  • If you are also taking an antacid, take it two hours before or after taking Rantac OD 300 Tablet CR.
  • Avoid taking soft drinks, citrus fruits like orange and lemon, which can irritate the stomach and increase acid secretion.
  • Inform your doctor if you do not feel better after taking Rantac OD 300 Tablet CR for two weeks or 14 days as you may be suffering from some other problems.
  • Inform your doctor if you have ever been diagnosed with kidney or liver disease. Dose of your medicine may need to be adjusted.

Interaction with Drugs

Taking Rantac with any of the following medicines can modify the effect of either of them and cause some undesirable side effects
Brand(s): Itraspan, Itzo, Canzit
SERIOUS
Brand(s): Exeed, Metcalf, Estimet
SERIOUS
Brand(s): Miglicon
SERIOUS
Brand(s): Vogmax, Elbose, Nuvog
SERIOUS
Brand(s): Diadose
SERIOUS
Brand(s): Terbicutis
SERIOUS
Brand(s): Euroglip, Pridex MG, Glimpee
MODERATE
Brand(s): Stoin, Marantin
MODERATE
Brand(s): Diabic
MODERATE
Brand(s): EF Z, Rocflu, Welcon
MINOR

Patient Concerns

Questions Related to Rantac

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Left knee pain, I am using hifenac tab, rantac d
Dr. Trilok Kumar Jha
Bone & Joint Specialist
Adv. Tab Nucoxia P 1 BD after meals, Cap Pan D 1 BD before meals, for a week.
Having stomach pain and burning sensationI usually take rantac and pan dBut that was prescribed by my doctor, but I lost that prescription
Dr. Waseem Mirza
Sexologist
i can't issue u valid prescription via online portal, take the same meds also follow the precautions Don't skip meals, always eat small & frequent meals. Avoid foods you find hard to digest. Avoid drugs that irritate your stomach if possible like painkillers. Avoid too much coffee n tea particularly at evening. Avoid hot and spicy foods, acidic foods, fatty foods, milk, etc
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Do you have any questions related to Rantac OD 300 Tablet CR?

User Feedback


FAQs

Q. Is Rantac an over the counter (OTC) drug?
No, Rantac is not an over-the-counter product. It is a prescription medicine and is available only when prescribed by a physician.
Q. Can I take Rantac with azithromycin?
Yes, Rantac can be taken with azithromycin. Rantac may be given to lower the acid secretion caused by gastritis or stomach irritation caused by azithromycin. No drug-drug interactions or any additional harmful effects have been seen when they are used together compared to when they are used alone.
Q. Can the use of Rantac cause constipation?
Yes, the use of Rantac can cause constipation. It is one of the common side effect seen with Rantac. Taking high fiber diet and plenty of fluids can help in relieving constipation and can also help in decreasing acidity.
Q. Can I take Rantac with prednisone?
Yes, Rantac can be taken with prednisone. No drug-drug interactions or any change in side effect profile have been when these are used together compared to when each drug is used alone.
Q. Can I take Rantac with metoprolol?
Yes, Rantac can be taken with metoprolol. No drug-drug interactions or any change in side effect profile have been reported compared to when they are used alone.
Q. Is Rantac an antacid?
No, Rantac is not an antacid. It belongs to the class of H2 blockers (antihistamines) which decrease the amount of acid produced in the stomach while antacids only neutralize the stomach acid by coating the stomach.
Q. Can I take Rantac for the treatment of allergies or hives (urticaria)?
Rantac can help in decreasing the redness of the allergies or hives (urticaria) when used along with antihistaminics like cetirizine by narrowing the blood vessels. However, this is not an approved use of Rantac and should be used only when advised by a doctor.
Q. Does Rantac expire?
Yes, Rantac does expire. Please check the expiry date written on the pack and it refers to the last day of that month. Do not use Rantac after the expiry date.
Q. Can I take Rantac with tramadol?
Yes, Rantac can be taken with the tramadol. Rantac may be given to lower the acid secretion caused by gastritis or stomach irritation caused by tramadol. No drug-drug interactions or any change in side effect profile has been reported compared to when they are used alone.
Q. Is Rantac an antihistaminic drug?
Yes, Rantac is an antihistaminic drug. It acts on histamine receptors in the stomach and blocks the action of a chemical messenger histamine (causes acid secretion in stomach) and hence decreases the acid production in the stomach.
Q. Is Rantac safe?
Yes, Rantac is safe if used at prescribed doses for the prescribed duration as advised by the doctor. However, there are some very common side effects that you can experience at the doses advised like nausea, abdominal pain, constipation, diarrhea, and flatulence.
Q. Can I take Rantac with doxycycline?
Yes, Rantac can be taken with doxycycline. Rantac may be given to lower the acid secretion caused by gastritis or stomach irritation caused by doxycycline. No drug-drug interactions or any change in side effect profile has been reported compared to when they are used alone.
Q. Does Rantac interfere with H. pylori test results?
A significant number of patients infected with Helicobacter pylori can have negative test results if they are using Rantac as it interferes with the urea breath test, which is done to identify H. Pylori infection.
Q. Can I take Rantac with Rabeprazole?
Yes, Rantac and Rabeprazole can be taken together. As Rabeprazole show its effect after some days, Rantac can be taken along with for immediate relief. No drug-drug interactions or change in side effect profile has been reported when they are used together compared to either drug alone.
Q. Can I take Rantac with sertraline?
Yes, Rantac can be taken with sertraline. No drug-drug interactions or any change in side effect profile has been reported compared to the effect of the individual drug when used alone.
Q. Does Rantac cause glaucoma?
Rantac itself does not cause glaucoma. However, there are some rare reports that Rantac can increase the intraocular pressure in patients who have glaucoma. Inform your doctor in case you have glaucoma or high intraocular pressure before taking this medicine.
Q. Can I take Rantac with steroids?
Yes, Rantac can be taken with steroids. No drug-drug interactions or any change in side effect profile has been reported compared to the effect of the individual drug when used alone.
Q. Can I take Rantac with famotidine?
Both Rantac and famotidine lower gastric acid secretion by blocking the H2 (histamine) receptor in the stomach. It is not advisable to take them together as they have a similar action and use and when used together, there could be an increased risk of side effects.
Q. Can Rantac be used to treat gastritis?
Yes, Rantac can be used for the short-term treatment of gastritis. It helps by decreasing the amount of acid released into the stomach and relieving stomach pain and acid reflux.
Q. Can I take Rantac with vitamin B?
Yes, Rantac can be taken with vitamin B. No drug-drug interactions have been reported between this medicine and vitamin B.
Q. Can a patient of hepatitis B take Rantac?
Caution should be exercised when Rantac is given to patients with a liver disease like hepatitis B as it is metabolized in the liver. Rantac can be taken by a patient of hepatitis B if it is really essential and advised by a doctor. Very rare reports of hepatitis with or without jaundice have been documented in patients taking Rantac.
Q. Why Rantac is given along with vitamin B12?
Long term use of Rantac can cause vitamin B12 deficiency as it decreases the acid secretion in the stomach which is required for the absorption of Vitamin B12. To prevent this deficiency, vitamin B12 may be advised by your doctor along with this medicine.
Q. Can I take Rantac with vitamin C?
Yes, you can take Rantac with vitamin C. No drug-drug interactions or change in side effect profile has been reported when they are used together compared to either drug alone.
Q. Can a patient with hepatitis C take Rantac?
Yes, a patient of hepatitis C can take Rantac, however, this should be taken under medical supervision. Rantac belongs to the group of drugs called H2 blockers which have been seen to increase the risk of hepatic encephalopathy in hepatitis C patients. So, this group of medicines should be used with caution in patients with underlying liver disease.
Q. Can Rantac be used with vitamin D?
Yes, vitamin D can be taken with Rantac. It is generally advised to be taken as a supplement as the long-term use of Rantac decreases the absorption of calcium and cause calcium deficiency leading to osteoporosis (thinning of bones) and increasing the risk of bone fractures like hip, wrist and spine fractures.
Q. Can the use of Rantac cause gastroparesis (partial paralysis of the stomach)?
No, the use of Rantac is not known to cause gastroparesis (partial paralysis of the stomach), however in case you experience signs and symptoms of gastroparesis like persistent nausea, vomiting (especially of undigested food) and abdominal pain or a feeling of fullness after eating even small amount of food, consult your doctor as it may be due to some condition that needs attention.
Q. Can the use of Rantac make you feel high?
No, Rantac does not make you feel high. However, use of Rantac can cause mental confusion, irritability, depression, though very rarely. These undesirable side effects occur usually in elderly or severely ill or kidney disease patients.
Q. Can the use of Rantac cause high blood pressure?
Rantac is not reported to cause high blood pressure. In case you experience high blood pressure,inform your doctor as it may need attention. Common side effects seen with Rantac include nausea, abdominal pain, constipation, and diarrhea.
Q. Can I use Rantac for treating warts?
No, Rantac is not used for treating warts as it is not approved for this disease condition. However, some research studies have shown that Rantac can improve the effect of medicines used for the treatment of this condition. Warts are a viral condition in which the patient has small, rough, and hard growths like raised bumps on the skin. Avoid self-medication and talk to a doctor for the right treatment of warts as it may bleed or get infected or spread to other body parts if not treated properly.
Q. Can I use Rantac for stomach pain?
Stomach pain can be due to many reasons and Rantac can help in this condition if the stomach pain is due to an underlying acid-peptic disorder.
Q. Can the use of Rantac cause headache?
Headache is reported as one of the common side effects of Rantac. Inform your doctor in case you experience headache for a prolonged duration while taking Rantac.
Q. Why does Rantac cause pneumonia?
Patients using Rantac are two times more prone to develop pneumonia (infection of the lung) than the normal patients. Rantac by means of its acid suppressing ability may allow growth of bacteria in the gut which can move to the respiratory tract (lungs) following breathing. So inform your doctor if you have or a history of lung disease as your dosage may need to be adjusted.
Q. What is the role of Rantac in critically ill patients?
Rantac may be used in critically ill patients to decrease stomach acid secretion and lower the risk of acid aspiration into the lungs. It also helps in decreasing stomach ulcers and gastrointestinal bleeding in these patients.
Q. What foods should be avoided when you are taking Rantac?
You should preferably avoid foods that cause acidity and heartburn as they would aggravate your disease condition, for example: fried foods, prepared in butter or oil, fat rich foods, tomato-based foods and juices, caffeinated drinks like cola, tea, drinks from citrus fruits like lemon water or orange juice and alcohol-containing drinks.
Q. Can Rantac be used for reflux esophagitis?
Yes, Rantac is effective in the treatment of reflux esophagitis. It is a disease in which stomach acid or bile irritates and inflames the lining of the food pipe. Rantac decreases the production of acid in the stomach and this can help to heal the inflamed and eroded esophagus. The efficacy is better when it is given in combination with a prokinetic agent like domperidone.
Q. Can I take Rantac with paracetamol?
Yes, you can take Rantac with paracetamol. Rantac is used to prevent paracetamol (painkillers) induced gastritis and stomach ulcers by decreasing the production of acid in the stomach. There are no clinically significant drug-drug interactions or harmful effects seen when they are used together.
Q. Why is Rantac given with cancer drugs?
Rantac may be used for multiple reasons in cancer patients. It can lower stomach acid volume in patients undergoing chemotherapy to prevent aspiration and lower the risk of stomach ulceration and bleeding. According to some studies, Rantac can potentiate white blood cell against cancer cells and can be helpful in the treatment of cancer.
Q. Does Rantac treat irritable bowel syndrome (IBS)?
Rantac is not routinely used for the treatment of irritable bowel syndrome (IBS). It is given if there is associated dyspepsia or increased stomach acid secretion. IBS is managed with a combination of antispasmodics (to relieve stomach pain), laxatives (to relieve constipation), and anti motility drugs (to relieve diarrhea).
Q. Is Rantac used to treat nausea?
Rantac is used for the treatment of acidity, heartburn, intestinal ulcers and stomach ulcers and can help in providing relief in nausea that may happen due to acid reflux. It is not used to treat nausea due to any other cause. Rather, nausea is one of the most common side effects of Rantac.
Q. What is the benefit of taking Rantac with pantoprazole?
Both Rantac and pantoprazole lower gastric acid secretion, however, they work by different mechanisms. If you have been advised to take pantoprazole, you can also take Rantac initially for rapid relief of heartburn and acid reflux as pantoprazole may take a few days to show its effect and provide relief.
Q. Can I take Rantac with pain killers?
Yes, Rantac can be taken with painkillers. Rantac can help to prevent painkillers induced gastritis and stomach ulcers by decreasing the production of acid in the stomach. Moreover, there are no clinically significant interactions of Rantac with painkillers.
Q. What are the serious side effects associated with the use of Rantac?
Some serious side effects associated with the use of Rantac are bone marrow hypoplasia (decreased formation of blood cell components), anaphylactic shock (severe allergic reactions) sinus bradycardia (lowering of heart rate) and acute pancreatitis (inflammation of the pancreas).
Q. Why does Rantac cause diarrhea?
Use of Rantac lowers the natural stomach acid which normally helps to kill bacteria. So, use of Rantac leads to overgrowth of the harmful bacteria like clostridium difficile which can cause diarrhea. This is known as clostridium difficile–associated diarrhea (CDAD). Inform your doctor if you have loose stools many times in a day and for many days with stomach cramps and fever.
Q. Is Rantac effective?
Rantac would be effective only if used for the right indication in the dose and for the duration as advised by the doctor. In case you do not find any change in your disease condition while taking this medicine, please talk to your doctor. Do not change the dose or stop taking the medicine without consulting your doctor.
Q. Is Rantac useful in the prevention of painkiller (NSAID) induced gastric ulcers?
Yes, Rantac is useful for the prevention of painkiller (non-steroidal anti-inflammatory drug - NSAID) induced gastric ulcers. These may cause dull pain in the stomach, sudden weight loss, loss of appetite, nausea, vomiting or bloating. Avoid stress and spicy foods as they can make your symptoms worse.
Q. Can I smoke while taking Rantac?
It is better to avoid cigarette smoking when you are taking Rantac. As studies have shown that the effectiveness of Rantac is lower in smokers compared to non-smokers. Moreover, smoking may add to gastric problems leading to more production of gastric acid.
Q. Does Rantac increase uric acid levels and cause gout-like symptoms?
Rantac can increase blood uric acid levels and cause gout-like symptoms like pain, redness, and inflammation of joints and cause difficulty in movement of joints. Regular monitoring of uric acid levels may be advised if you are taking this medicine for a long term.
Q. Can I take Rantac with warfarin?
Yes, Rantac can be taken with warfarin. However, they should be used with caution as there could be an increase in warfarin levels which can increase the risk of bleeding from your gums, nose, skin (unusual bruising), or gut (dark stools). Stop taking the medicine and inform your doctor if you have any of these signs or symptoms.
Q. Can I take Rantac with gabapentin?
Yes, Rantac can be taken with gabapentin. There are no reported drug interactions or harmful effects when they are used together.
Q. Can I take Rantac with cetirizine?
Yes, Rantac can be taken with cetirizine. There are no reported drug interactions or harmful effects when they are used together.
Q. Is Rantac a proton pump inhibitor (PPI)?
No, Rantac is not a proton pump inhibitor (PPI) as it has no known inhibitory effect on proton pumps in the stomach.
Q. Can the use of Rantac cause iron deficiency?
Yes, use of Rantac can cause iron deficiency and a decrease in hemoglobin levels as it decreases the acidic environment of the stomach needed for the absorption of iron. However, there are no recommendations on the regular monitoring of iron levels or taking iron supplements when the patient is taking Rantac but you can maintain good dietary nutrition so that no deficiency occurs.
Q. Is there any known role of Rantac before surgery?
Rantac is given as a part of pre-anesthetic medication before surgery to decrease the stomach acid secretion so that stomach acid is not aspirated into the lungs during surgery as this may complicate or delay the procedure.
Q. Does Rantac cause flatulence (gas or bloating)?
Flatulence (gas) has been reported as a common side effect of Rantac. Although it would be mild to moderate in nature and it goes away once you stop taking Rantac.

Related Ayurvedic Ingredients

Information last updated by Dr. Varun Gupta, MD Pharmacology on 16th Aug 2018.
Manufacturer/Marketer Address
Cnergy IT Park, 3rd floor Appa Saheb Marathe Marg, Prabhadevi, Mumbai 400025
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