ranitidine 25 mg effervescent - oral, Zantac (cont.)
PRECAUTIONS: Before using ranitidine, tell the doctor or pharmacist if your child is allergic to it; or to other H2 histamine blockers (e.g., cimetidine, famotidine); or if your child has any other allergies.This medication should not be used if your child has certain medical conditions. Before using this medication, tell the doctor or pharmacist if your child has: a certain blood disorder (porphyria).Before using this medication, tell the doctor or pharmacist your child's medical history, especially of: 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 your child has: chest pain or shoulder/jaw pain (especially with shortness of breath), heartburn combined with lightheadedness/sweating/dizziness, pain spreading to arms/neck/shoulders, unexplained weight loss.This medicine may contain aspartame. If your child has phenylketonuria (PKU) or any other condition that requires intake of aspartame (or phenylalanine) to be restricted, consult the doctor or pharmacist regarding the safe use of this medicine.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.This medication passes into breast milk. Consult your doctor before breast-feeding.
DRUG INTERACTIONS: The effects of some drugs can change if you take other drugs or herbal products at the same time. This can increase your risk for serious side effects or may cause your medications not to work correctly. These drug interactions are possible, but do not always occur. Your doctor or pharmacist can often prevent or manage interactions by changing how you use your medications or by close monitoring.To help your doctor and pharmacist give you the best care, be sure to tell your doctor and pharmacist about all the products you use (including prescription drugs, nonprescription drugs, and herbal products) before starting treatment with this product. While using this product, do not start, stop, or change the dosage of any other medicines you are using without your doctor's approval.Some products that may interact with this drug include: procainamide, propantheline, warfarin.This medication decreases the amount of acid in your stomach. This can change the amount of medication absorbed from your stomach which may affect how these medications work. Examples of affected drugs include atazanavir, delavirdine, dasatinib, gefitinib, glipizide, raltegravir, triazolam among others. Azole antifungals such as ketoconazole may also be affected.This medication can slow down the removal of other medications from your body, which may affect how they work. Examples of affected drugs include metoprolol and phenytoin among others.Check the labels on all 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 the 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.This medication and similar H2 histamine blockers (e.g., cimetidine, famotidine) are available both over-the-counter and by prescription. Do not take them at the same time.This medication may interfere with certain laboratory tests (e.g., urine protein), possibly causing false test results. Make sure laboratory personnel and all the doctors know your child is using this drug.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.
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