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Introduction of Aciloc Ranitidine

Aciloc Ranitidine is a histamine-2 blocker drug and belongs to a family of drugs called histamine-2 blockers. This acid reducer drug functions by lowering the natural production of acid in the stomach. Ranitidine is available as various brands across the globe, some of which are Zantac and Aciloc (made by Candila).
Aciloc Ranitidine is an acid reducer which is used to primarily treat and prevent stomach and intestinal ulcers. It is also used to treat conditions characterized by excessive acid production in the stomach like Zollinger-Ellison syndrome. Aciloc Ranitidine may be given in people who have gastro-esophageal reflux disease or GERD and other conditions in which the stomach acid flows into the esophagus and causes heartburn. Ranitidine may also be used for conditions not mentioned here.

Uses of Aciloc Ranitidine

Aciloc Ranitidine is used to treat and prevent ulcers in the stomach and intestine. It also treats diseases in which the stomach produces too much acid, such as Zollinger-Ellison syndrome. Ranitidine is also used to treat gastroesophageal reflux disease (GERD) and other conditions in which acid backs up from the stomach into the esophagus, causing heartburn.

How it works

Aciloc Ranitidine belongs to a class of drugs called H2 receptor antagonists. It acts by blocking the action of chemical called histamine on proteins called H2 receptors in the stomach and intestine which are involved in producing acid thereby decreasing acid formation.

Important Information about Ranitidine

Avoid Ranitidine acid reducer medication (Zantac, Aciloc) if you are allergic to Ranitidine or its other ingredients. Consult your doctor and ask him first if it safe for you to take this medication if you have kidney, liver disease, porphyria.
Ranitidine usage may lead to pneumonia, symptoms of which are chest pain, fever, shortness of breath, and green or yellow mucus in cough. Discuss about this with your doctor for your specific individual risk.
Initial symptoms of heart attack are often misunderstood as heartburn. Get immediate and urgent medical attention if you have chest pain with pain advancing to the arm or shoulder, nausea, sweating, and a general ill feeling.
Avoid drinking alcohol while taking Ranitidine as it can elevate the risk of damage to your stomach. It can take up to 8 weeks of using this medication before your ulcer heals. To get the maximum benefits out of Ranitidine, take is regularly as prescribed without missing a single dose. Notify your doctor if your conditions and symptoms of ulcer or acidic conditions do not alleviate after about 6 weeks of treatment.

Before taking Ranitidine

Before taking Ranitidine acid reducing medication (Zantac, Aciloc), take care of all precautions mentioned above and discuss them with your doctor.
Ranitidine is a FDA category B drug which means it is not expected to harm an unborn baby if taken while being pregnant. Women should inform their doctor if they are pregnant or plan to become pregnant. Ranitidine can pass into breast milk and harm a nursing baby. Don’t take this medication without your doctor’s advice if you are breast feeding.

How do I take Ranitidine?

Take Ranitidine (Zantac, Aciloc) strictly according to your doctor’s direction or according to the instructions on the medication label. Do not alter the dosage unless your doctor advises you to do so. Also, do not take Ranitidine after the prescribed period is over.
Ranitidine acid reducer medication is taken usually by mouth 1 to 4 times per day depending on the condition. Your doctor will fix the dosage after properly examining you. Stick to it strictly. Ranitidine may also be given intravenously or intramuscularly by a doctor or healthcare professional in some cases.
Make it a habit to take the medication at the same time every day or according to your doctor. Store Ranitidine acid reducing medication in a cool and dry place.

What if I miss a dose?

If you miss a dose of Ranitidine (Zantac, Aciloc), take it as soon as you remember. Don’t take the missed dose if the time to take the next dose is almost up. Taking multiple doses near to each other can lead to excess medication in your body which can be harmful.

What if I overdose?

In case of an overdose of Ranitidine, get emergency medical attention or call the Doctor immdiately. Overdose may lead to light headedness, lack of coordination, or fainting.

Things and Activities to avoid while taking Ranitidine

Avoid drinking alcohol while taking Ranitidine as it can elevate the risk of damage to your stomach.

Side Effects of Aciloc (Ranitidine)

Many people don not show any side effects due to Ranitidine (Zantac, Aciloc) usage but that may not be the case with you. Some common and less severe side effects of Ranitidine acid reducing medication are headache, dizziness, and diarrhea. If any of these side effects persist for a long time and deteriorate, notify your doctor right away and stop using this medication.
Stop using Ranitidine immediately and seek urgent medical attention if you get any of these serious allergic reactions or side effects: rash, itching, swelling on face, lips, tongue, hives, breathing trouble, kidney problems (leading to back pain, fever, painful and bloody urination), severe stomach pain, or slow or irregular heartbeat.
These are not the only side effects of Ranitidine. There may be others. Contact your doctor right away if you experience any serious side effects or if your condition worsens after taking Ranitidine.

Ranitidine Dosing Information

Ranitidine dosage will be fixed by your doctor after examining you properly. Dosage may depend on a range of factors like age, sex, drug allergies, or seriousness of the condition among several other factors. Stick to your doctor’s prescription strictly.

Interaction with other drugs

Certain medications can interact with Ranitidine (Zantac, Aciloc), especially triazolam, NSAIDs, lidocaine, propranolol, procainamide, warfarin, phenytoin, theophylline, glipizide, atazanavir, gefitinib, or ketoconozole. The drugs mentioned thus are not all the possible drugs which can interact with Ranitidine. There may be others as well. Share the list of all type of medications and related products which you are using with your doctor and never start a new medication without his or her advice.

Expert advice

  • Ranitidine can be used in pregnancy if  your doctor advices it  to treat acidity or heartburn
  • Do not take Ranitidine, if you are breastfeeding, unless adviced by your doctor.

Frequently asked questions


Q. Is ranitidine safe?
Yes. Ranitidine (also available as rantac/ aciloc 150/ aciloc 300/ zantac) is safe if used at prescribed doses for the prescribed duration as advised by your doctor.
Q. Is ranitidine/ rantac/ aciloc/ aciloc 150 safe during pregnancy?
Studies of ranitidine in animals have shown no risk to the growing fetus; also , safety studies  on humans have not resulted in significant adverse pregnancy outcome. Please follow the advice of your doctor regarding use of ranitidine during pregnancy.
Q. Is ranitidine/rantac an antacid?
No. Ranitidine does not neutralize stomach acids.
Q. Is ranitidine a PPI?
No. Ranitidine reduces acid production in the stomach and intestine by blocking H2 receptors and has no known inhibitory effect proton pumps. It is a H2 receptor antagonist, and not a proton pump inhibitor (PPI).
Q. Is ranitidine the same as omeprazole?
No. Ranitidine and omeprazole are two different drugs with similar uses but different mechanism of action. Ranitidine reduces acid production in the stomach and intestine by blocking H2 receptors; whereas, omeprazole blocks proton pumps to curb acid production.
Q. Is ranitidine better than omeprazole?
Ranitidine and omeprazole are two different drugs with similar uses but different mechanism of action and so cannot be compared.
Q. Is ranitidine over the counter?
No. Ranitidine is not an over the counter (OTC) drug. It belongs to a class of prescription drugs.
Q. What is Rantac-D plus?
Rantac-D plus is a trade name for combination of active drugs ranitidine, omeprazole and domperidone. It is used to prevent excess acid production in the stomach and small intestine and to treat vomiting or urge to vomit (nausea) caused due to indigestion, diseases or drugs.
Q. Is ranitidine gluten free?
Yes. Ranitidine is a synthetic drug and free from any protein source that can contain gluten. Please refer to package insert of the prescribed brand before use.


Manufacturer Cadila Pharma
Equivalent Brands Zantac
Composition Ranitidine
Discontinue Url No


1 review for Aciloc (Ranitidine)

  1. admin

    perfect .. very fast

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