Before taking Zantac (ranitidine) 300mg, tell your doctor or pharmacist if you are allergic to it; or to other acid blockers (e.g., cimetidine, famotidine); or if you have any other allergies.
Zantac (ranitidine) 300mg 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), kidney problems, liver problems, 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, heartburn for longer than 3 months, nausea/vomiting, pain spreading to arms/neck/shoulders, persistent stomach pain, black stools, difficult/painful swallowing, unexplained weight loss, vomit that is bloody or looks like coffee grounds.
Zantac (ranitidine) 300mg may make you dizzy; use caution engaging in activities requiring alertness such as driving or using machinery. Limit alcoholic beverages.
Do not use Zantac (ranitidine) 300mg in children younger than 12 unless directed by the doctor.
During pregnancy, Zantac (ranitidine) 300mg should only be used if clearly needed. Discuss the risks and benefits with your doctor. Tell your doctor if you are pregnant before using Zantac (ranitidine) 300mg.
Zantac (ranitidine) 300mg passes into breast milk. Consult your doctor before breast-feeding.
IMPORTANT NOTE: The preceding information is intended to heighten awareness of health information and does not suggest diagnosis or treatment. This information is not a substitute for individual medical attention and should not be construed to indicate that use of the drug is safe, appropriate, or effective for you. See your health care professional for medical advice and treatment.
Store between 36-77 degrees F (2-25 degrees C) away from light and moisture. Do not store in the bathroom. Keep all medicines away from children and pets.
Do not flush medications down the toilet or pour them into a drain unless instructed to do so. Properly discard this product when it is expired or no longer needed. Consult your pharmacist or local waste disposal company for more details about how to safely discard your product.
IMPORTANT NOTE: The preceding information is intended to heighten awareness of health information and does not suggest diagnosis or treatment. This information is not a substitute for individual medical attention and should not be construed to indicate that use of the drug is safe, appropriate, or effective for you. See your health care professional for medical advice and treatment.
To treat heartburn and acid indigestion, take 1 tablet with a glass of water as needed, unless otherwise directed by your doctor. Swallow the tablet whole without chewing. Zantac (ranitidine) 300mg can be taken with or without food.
To prevent heartburn and acid indigestion, take Zantac (ranitidine) 300mg 30-60 minutes before eating food or drinking beverages that can cause indigestion.
Do not take more than 2 tablets in 24 hours unless directed by your doctor. Follow all directions on the product package. If you are uncertain about any of the information, consult your doctor or pharmacist.
Stop taking Zantac (ranitidine) 300mg and call your doctor promptly if your symptoms continue after you begin taking it, or if they do not improve after you have been taking Zantac (ranitidine) 300mg for 14 days in a row. Do not take Zantac (ranitidine) 300mg for more than 14 days in a row without talking with your doctor.
IMPORTANT NOTE: The preceding information is intended to heighten awareness of health information and does not suggest diagnosis or treatment. This information is not a substitute for individual medical attention and should not be construed to indicate that use of the drug is safe, appropriate, or effective for you. See your health care professional for medical advice and treatment.
Headache, dizziness, constipation or diarrhea may occur. If any of these effects persist or worsen, notify your doctor or pharmacist promptly.
Tell your doctor immediately if you have any of these rare but very serious side effects: vomiting, severe stomach pain, dark urine, yellowing eyes/skin.
A very serious allergic reaction to Zantac (ranitidine) 300mg is unlikely, but seek immediate medical attention if it occurs. Symptoms of a serious allergic reaction include: rash, itching, swelling, severe dizziness, trouble breathing.
This is not a complete list of possible side effects. If you notice other effects not listed above, contact your doctor or pharmacist.
Contact your doctor for medical advice about side effects. The following numbers do not provide medical advice, but in the US you may report side effects to the Food and Drug Administration (FDA) at 1-800-FDA-1088. In Canada, you may call Health Canada at 1-866-234-2345.
Click HERE to learn more about Zantac side effects.
IMPORTANT NOTE: The preceding information is intended to heighten awareness of health information and does not suggest diagnosis or treatment. This information is not a substitute for individual medical attention and should not be construed to indicate that use of the drug is safe, appropriate, or effective for you. See your health care professional for medical advice and treatment.
Not applicable.
IMPORTANT NOTE: The preceding information is intended to heighten awareness of health information and does not suggest diagnosis or treatment. This information is not a substitute for individual medical attention and should not be construed to indicate that use of the drug is safe, appropriate, or effective for you. See your health care professional for medical advice and treatment.
If you are taking Zantac (ranitidine) 300mg under your doctor's direction, your doctor or pharmacist may already be aware of any possible drug interactions and may be monitoring you for them. Do not start, stop, or change the dosage of any medicine before checking with your doctor or pharmacist first.
Before using Zantac (ranitidine) 300mg, tell your doctor or pharmacist of all prescription and nonprescription/herbal products you may use, especially: atazanavir, dasatinib, ketoconazole, itraconazole, metoprolol, triazolam.
Check the labels on all your medicines because they may contain aspirin or aspirin-like NSAIDs (e.g., ibuprofen, naproxen) that can cause stomach irritation/ulcers. Ask your pharmacist about the safe use of those products. Low-dose aspirin, as prescribed by your doctor for specific medical reasons such as heart attack or stroke prevention (usually at dosages of 81-325 milligrams per day), should be continued. Consult your doctor or pharmacist for more details.
Zantac (ranitidine) 300mg and similar acid blockers (e.g., cimetidine, famotidine) are available both over-the-counter and by prescription. Do not take them at the same time.
Zantac (ranitidine) 300mg may interfere with certain laboratory tests (e.g., urine protein), possibly causing false test results. Make sure laboratory personnel and all your doctors know you use Zantac (ranitidine) 300mg.
This document does not contain all possible interactions. Therefore, before using this product, tell your doctor or pharmacist of all the products you use. Keep a list of all your medications with you, and share the list with your doctor and pharmacist.
IMPORTANT NOTE: The preceding information is intended to heighten awareness of health information and does not suggest diagnosis or treatment. This information is not a substitute for individual medical attention and should not be construed to indicate that use of the drug is safe, appropriate, or effective for you. See your health care professional for medical advice and treatment.