IMPORTANT NOTE: The following information is intended to supplement, not substitute for, the expertise and judgment of your physician, pharmacist or other healthcare professional. It should not be construed to indicate that use of the drug is safe, appropriate or effective for you. Consult your healthcare professional before using this drug.
Table of Contents
- Uses and How to Use
- Precautions and Side Effects
- Medication Interactions
- Dosage and Storage
- Medication Images
Pronounced: (ran-IT-uh-deen)
Zantac In 1/2 NS IV Precautions
Before using ranitidine, tell your doctor or pharmacist if you are allergic to it; or to other H2 histamine blockers (e.g., cimetidine, famotidine); or if you have any other allergies. This product may contain inactive ingredients, which can cause allergic reactions or other problems. Talk to your pharmacist for more details.
This medication should not be used if you have certain medical conditions. Before using this medicine, consult your doctor or pharmacist if you have:
- a certain blood disorder (porphyria)
Before using this medication, tell your doctor or pharmacist your medical history, especially of:
- heart problems (e.g., irregular heartbeat)
- immune system problems
- kidney problems
- liver problems
- lung problems (e.g., asthma, chronic obstructive pulmonary disease-COPD)
- other stomach problems (e.g., tumors)
Some symptoms may actually be signs of a more serious condition. Tell your doctor immediately if you have:
- chest pain or shoulder/jaw pain (especially with trouble breathing)
- heartburn combined with lightheadedness/sweating/dizziness
- pain spreading to arms/neck/shoulders
- unexplained weight loss
This drug may make you dizzy. Do not drive, use machinery, or do any activity that requires alertness until you are sure you can perform such activities safely. Limit alcoholic beverages.
Kidney function declines as you grow older. This medication is removed by the kidneys. Therefore, elderly people may be at greater risk for side effects while using this drug. Caution is advised when using this drug in the elderly because they may be more sensitive to its effects, especially confusion and dizziness.
Ranitidine should be used only when clearly needed during pregnancy. Discuss the risks and benefits with your doctor.
Ranitidine passes into breast milk. Consult your doctor before breast-feeding.
Zantac In 1/2 NS IV Side Effects
Headache, dizziness, constipation, or diarrhea may occur. Pain, redness, burning or stinging may occur at the injection site. If any of these effects persist or worsen, notify your doctor or pharmacist promptly.
Remember that your doctor has prescribed this medication because he or she has judged that the benefit to you is greater than the risk of side effects. Many people using this medication do not have serious side effects.
Tell your doctor right away if you have any serious side effects, including:
- vision changes (e.g., blurred vision)
- mental/mood changes (e.g., nervousness, confusion, depression, hallucinations)
- easy bleeding/bruising
- enlarged breasts
- severe tiredness
- fast/slow/irregular heartbeat
- signs of infection (e.g., fever, persistent sore throat, cough)
- severe abdominal/stomach pain
- dark urine
- yellowing eyes/skin
A very serious allergic reaction to this drug is unlikely, but get medical help right away if it occurs. Symptoms of a serious allergic reaction include:
CONDITIONS OF USE: The information in this database is intended to supplement, not substitute for, the expertise and judgment of healthcare professionals. The information is not intended to cover all possible uses, directions, precautions, drug interactions or adverse effects, nor should it be construed to indicate that use of a particular drug is safe, appropriate or effective for you or anyone else. A healthcare professional should be consulted before taking any drug, changing any diet or commencing or discontinuing any course of treatment.
Information last revised October
2011
Copyright(c) 2011 First DataBank,
Inc.

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