Ranitidin Injection 30 ml
MRP ₹3.11
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About Ranitidin Injection
Ranitidin Injection belongs to a group of medicines called gastrointestinal agents. It is used to treat and prevent stomach ulcers, indigestion, heartburn, acid reflux, gastro-oesophageal reflux disease (GORD), and indigestion.
Ranitidin Injection contains Ranitidine, a histamine-2 (H2) receptor blocker that helps reduce stomach acid by blocking the actions of the H2 receptor, which is responsible for gastric acid secretion.
Ranitidin Injection may cause side effects like headache, diarrhoea, stomach ache or abdominal pain, constipation, and nausea. These side effects are temporary and may resolve after some time. However, if these side effects persist, contact your doctor.
Let your doctor know if you are allergic to any of the components in Ranitidin Injection. If you are pregnant or suspect you may be pregnant, or if you are a nursing mother, please notify your doctor. Inform your doctor about your medications and medical conditions.
Uses of Ranitidin Injection
Ranitidin Injection is used in the treatment of Peptic Ulcer, GERD, and Zollinger-Ellison Syndrome. The detailed uses of Ranitidin Injection are as follows:
- Gastroesophageal Reflux Disease (GERD) : Ranitidin Injection reduces acid reflux and heartburn by decreasing stomach acid production, providing relief from symptoms like chest pain and difficulty swallowing.
- Peptic Ulcer Disease: Ranitidin Injection treats stomach and duodenal ulcers by reducing acid production, allowing ulcers to heal, and preventing further damage.
- Zollinger-Ellison Syndrome: Ranitidin Injection manages excessive acid production, reducing symptoms like diarrhoea, abdominal pain, and heartburn associated with this rare condition.
Key Benefits
- Ranitidin Injection reduces excess stomach acid production, helping prevent ulcers (peptic ulcers).
- It provides relief from symptoms of indigestion, dyspepsia, and heartburn.
- Ranitidin Injection promotes healing of existing stomach ulcers and prevents recurrence.
- It protects the stomach lining from damage caused by excessive acid.
- It supports overall digestive health by maintaining a balanced gastric environment.
Directions for Use
- Follow your doctor’s instructions on the dosage and timing of this medication to ensure safe and effective use.
- Ranitidin Injection will be administered by the doctor or healthcare professional.
- Do not self-administer.
How Ranitidin Injection Works
Alcohol
Caution
Drinking alcohol may cause dehydration and elevate the level of stomach acid. Hence, avoid consuming alcohol while on treatment with Ranitidin Injection.
Pregnancy
Caution
Ranitidin Injection is recommended in pregnancy only if clearly needed. So, inform your doctor if you are pregnant or suspect pregnancy. Your doctor will weigh the benefits and potential risks before prescribing Ranitidin Injection.
Breast Feeding
Caution
Ranitidin Injection is recommended in breastfeeding only if clearly needed. So, inform your doctor if you are a nursing mother. Your doctor will weigh the benefits and potential risks before prescribing Ranitidin Injection.
Driving
Safe if prescribed
Ranitidin Injection has no or negligible influence on the ability to drive and operate machines.
Liver
Caution
If you have a history or evidence of any liver disease, please inform the doctor before taking medicine. Your doctor may adjust the dose of these medicines based on your condition.
Kidney
Caution
If you have a history or evidence of any kidney diseases, please inform the doctor before taking the medicine. Your doctor may adjust the dose of these medicines based on your condition.
Children
Safe if prescribed
Ranitidin Injection is considered safe to be used in children. If you have any concerns, discuss them with the doctor.
Heart
Caution
Ranitidin Injection is generally safe for heart patients, but caution is advised as it may affect heart rhythm in rare cases. Always consult your doctor to ensure it's appropriate for your specific cardiac condition.
Geriatrics
Caution
Geriatric patients can generally receive Ranitidin Injection, but it may be more sensitive to side effects like confusion or changes in kidney function. It's important to have the dose adjusted and monitored by a healthcare provider based on individual health status.
What if I have taken an overdose of Ranitidin Injection
Diet & Lifestyle Advise
- Avoid acid or heartburn-triggering foods or drinks like onions, peppermint, chocolate, caffeinated beverages, citrus fruits or juices, tomatoes and high-fat and spicy foods.
- Before going to sleep, raise your bedhead so your head and chest are higher than your feet. Do not use piles of pillows; one raised block is fine. This will not allow the stomach acid to backflow through your food pipe.
- Avoid taking alcohol and smoking cigarettes. Alcohol can raise the production of stomach acid, leading to heartburn and acid reflux. On the other hand, nicotine smoking damages the valve (sphincter), preventing stomach acid backflow into the food pipe.
- Include high fibre-containing foods, berries, cherries, leafy green veggies (kale, spinach) and black peppers in your meal.
- Fermented dairy products like miso, sauerkraut, and kimchi contain probiotics, which help prevent excess stomach acid production. Cranberry juice can be beneficial for peptic ulcers and H pylori infections.
- Avoid sitting continuously, as it can increase stomach acid production. Take a break of 5 minutes in 1 hour by brisk walking or stretching.

Have a query?
How Soon It Starts Working
The time required for Ranitidin Injection to start to work: Ranitidin Injection ideally shows its action within 1 hour after administration.
The time for which the effects of Ranitidin Injection last: The effect of Ranitidin Injection lasts for 4 to 5 hours.
What if you forget to take Ranitidin Injection
Storage
Keep Refrigerated. Do not freeze.
Drug Warnings
- Inform your doctor of any allergic or hypersensitivity reactions to medications or foods before receiving Ranitidin Injection.
- Consult your doctor if you are pregnant or suspect you may be pregnant or if you are a nursing mother.
- Let your doctor know if you have or have had a history of kidney, liver, heart, lung, poor immune system, diabetes, stomach cancer, or porphyria (hereditary disease).
- Keep your doctor informed about your health condition and all the medicines you take before taking Ranitidin Injection to rule out any side effects.
Drug-Drug Interaction Summary:
Ranitidin Injection interacts with a blood thinner (warfarin), antidiabetic medication (glipizide), a local anaesthetic (lidocaine), medicines used for heart conditions (propranolol, procainamide), antianxiety medications (diazepam), antiepilepsy medications (phenytoin), asthma medications (theophylline), HIV medications (atazanavir), medicines used for sleep problems (triazolam), medicines used for lung cancer (gefitinib), antifungal infections (ketoconazole), and medicines to help with sleeping problems (midazolam, triazolam).
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Drug-Food Interaction Summary:
Consumption of alcohol and nicotine (tobacco) should be avoided.
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Reference
- Drugs.com Clinical Review Team. Ranitidine Clinical Drug Monograph. Auckland, NZ: Drugs.com; 2026. [Accessed on 02 Jun. 2026]Check here
- MedlinePlus. A601106 Patient Information Monograph. Bethesda, MD: U.S. National Library of Medicine (NLM); 2025. [Accessed on 02 Jun. 2026]Check here
- National Health Service (NHS). Ranitidine - NHS Medicines Reference Guide. London, UK: NHS; 2025. [Accessed on 02 Jun. 2026]Check here
- Drugs and Lactation Database (LactMed) [Internet]. 2006. [Accessed on 20 Feb. 2020]Check here
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