Ranitin 25 mg Injection 30 ml
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About Ranitin 25 mg Injection
Ranitin 25 mg 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.
Ranitin 25 mg 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.
Ranitin 25 mg 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 Ranitin 25 mg 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 Ranitin 25 mg Injection
Ranitin 25 mg Injection is used in the treatment of Peptic Ulcer, GERD, and Zollinger-Ellison Syndrome. The detailed uses of Ranitin 25 mg Injection are as follows:
- Gastroesophageal Reflux Disease (GERD) : Ranitin 25 mg Injection reduces acid reflux and heartburn by decreasing stomach acid production, providing relief from symptoms like chest pain and difficulty swallowing.
- Peptic Ulcer Disease: Ranitin 25 mg Injection treats stomach and duodenal ulcers by reducing acid production, allowing ulcers to heal, and preventing further damage.
- Zollinger-Ellison Syndrome: Ranitin 25 mg Injection manages excessive acid production, reducing symptoms like diarrhoea, abdominal pain, and heartburn associated with this rare condition.
Key Benefits
- Ranitin 25 mg Injection reduces excess stomach acid production, helping prevent ulcers (peptic ulcers).
- It provides relief from symptoms of indigestion, dyspepsia, and heartburn.
- Ranitin 25 mg 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.
- Hydrate your body: Drink enough water to prevent dehydration and headaches.
- Calm Your Mind: Deep breathing and meditation can help you relax and relieve stress.
- Rest and Recharge: Sleep for 7-8 hours to reduce headache triggers.
- Take rest: lie down in a quiet, dark environment.
- Cold or warm compresses can help reduce tension.
- Stay Upright: Maintain good posture to keep symptoms from getting worse.
- To treat headaches naturally, try acupuncture or massage therapy.
- Over-the-counter pain relievers include acetaminophen and ibuprofen.
- Prescription Assistance: Speak with your doctor about more substantial drug alternatives.
- Severe Headaches: Seek emergency medical assistance for sudden, severe headaches.
- Frequent Headaches: If you get reoccurring headaches, consult your doctor.
- Headaches with Symptoms: Seek medical attention if your headaches include fever, disorientation, or weakness.
Directions for Use
- Follow your doctor’s instructions on the dosage and timing of this medication to ensure safe and effective use.
- Ranitin 25 mg Injection will be administered by the doctor or healthcare professional.
- Do not self-administer.
How Ranitin 25 mg Injection Works
Alcohol
Caution
Drinking alcohol may cause dehydration and elevate the level of stomach acid. Hence, avoid consuming alcohol while on treatment with Ranitin 25 mg Injection.
Pregnancy
Caution
Ranitin 25 mg 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 Ranitin 25 mg Injection.
Breast Feeding
Caution
Ranitin 25 mg 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 Ranitin 25 mg Injection.
Driving
Safe if prescribed
Ranitin 25 mg 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
Ranitin 25 mg Injection is considered safe to be used in children. If you have any concerns, discuss them with the doctor.
Heart
Caution
Ranitin 25 mg 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 Ranitin 25 mg 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 Ranitin 25 mg 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 Ranitin 25 mg Injection to start to work: Ranitin 25 mg Injection ideally shows its action within 1 hour after administration.
The time for which the effects of Ranitin 25 mg Injection last: The effect of Ranitin 25 mg Injection lasts for 4 to 5 hours.
What if you forget to take Ranitin 25 mg Injection
Storage
Keep Refrigerated. Do not freeze.
Drug Warnings
- Inform your doctor of any allergic or hypersensitivity reactions to medications or foods before receiving Ranitin 25 mg 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 Ranitin 25 mg Injection to rule out any side effects.
Drug-Drug Interactions
Drug-Drug Interaction Summary:
Ranitin 25 mg 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).
Drug-Drug Interactions
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Coadministration of Gefitinib with Ranitin 25 mg Injection 30 ml can reduce the acidity levels in the stomach and also decrease the effectiveness of gefitinib
How to manage the interaction:
Taking Gefitinib with Ranitin 25 mg Injection 30 ml together can possibly result in an interaction, it can be taken if your doctor has advised it. It is recommended that gefitinib is either taken 6 hours before or 6 hours after Ranitin 25 mg Injection 30 ml to help minimize the impact of the interaction. Do not stop using any medications without first talking to your doctor.
Co-administration of Ranitin 25 mg Injection 30 ml with Mesalazine can decrease the levels of Mesalazine, which may be less effective in treating a condition.
How to manage the interaction:
There may be a possible interaction between Mesalazine with Ranitin 25 mg Injection 30 ml, but they can be taken together if a doctor has prescribed them. Do not discontinue any medications without consulting a doctor.
Taking atazanavir with Ranitin 25 mg Injection 30 ml can reduce the effectiveness of atazanavir.
How to manage the interaction:
Although taking Ranitin 25 mg Injection 30 ml together with Atazanavir can possibly result in an interaction, they can be taken together if prescribed by your doctor. However, contact your doctor if you experience unusual symptoms. Do not discontinue any medicine without consulting a doctor.
Coadministration of Rilpivirine with Ranitin 25 mg Injection 30 ml can reduce the acidity levels in the stomach and also decrease the effectiveness of Rilpivirine.
How to manage the interaction:
Although taking Ranitin 25 mg Injection 30 ml together with Rilpivirine can possibly result in an interaction, they can be taken together if prescribed by your doctor. To reduce the chance of interaction, take Ranitin 25 mg Injection 30 ml at least 12 hours before or 4 hours after taking rilpivirine. Do not discontinue any medicine without consulting a doctor.
Coadministration of loperamide with Ranitin 25 mg Injection 30 ml may significantly increase the blood levels of loperamide. This can increase the risk of serious side effect like irregular heart rhythm.
How to manage the interaction:
Although taking loperamide with Ranitin 25 mg Injection 30 ml together can result in an interaction, they can be taken if a doctor has prescribed it. However, if you experience sudden dizziness, lightheadedness, fainting, breathing difficulty, or rapid heartbeat, consult the doctor immediately. Do not stop using any medications without talking to a doctor.
Using Pazopanib with Ranitin 25 mg Injection 30 ml can reduce the effectiveness of pazopanib
How to manage the interaction:
Although taking Ranitin 25 mg Injection 30 ml together with Pazopanib can possibly result in an interaction, but can be taken together if prescribed by a doctor. However, if you experience any unusual symptoms contact your doctor immediately. Do not stop using any medications without first talking to your doctor.
Taking Ranitin 25 mg Injection 30 ml and Dasatinib together reduces the effectiveness of Dasatinib.
How to manage the interaction:
Although taking Ranitin 25 mg Injection 30 ml together with Dasatinib can result in an interaction, they can be taken together if prescribed by a doctor. However, contact a doctor if you experience any unusual symptoms. Do not discontinue any medicine without consulting a doctor.
Drug-Food Interactions
Drug-Food Interaction Summary:
Consumption of alcohol and nicotine (tobacco) should be avoided.
Drug-Food Interactions
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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
- Ema.ranitidine. [Accessed on 27 Oct 2025]Check here
- Webmed.ranitidine. [Accessed on 27 Oct 2025]Check here






