It was used for indigestion , heartburn and acid reflux , gastro-oesophageal reflux disease GORD — this is when you keep getting acid reflux , and to prevent and treat stomach ulcers. Talk to your doctor if you have indigestion, or heartburn and acid reflux. There are similar medicines they can prescribe for you if you need treatment. If you've taken ranitidine in the past, any risk is likely to be very low, but if you have any concerns, speak to a pharmacist or doctor.
Contact your doctor if you experience these side effects and they are severe or bothersome. Your pharmacist may be able to advise you on managing side effects. Although most of these side effects listed below don't happen very often, they could lead to serious problems if you do not seek medical attention. Stop taking the medication and seek immediate medical attention if any of the following occur:.
Some people may experience side effects other than those listed. Check with your doctor if you notice any symptom that worries you while you are taking this medication. Before you begin using a medication, be sure to inform your doctor of any medical conditions or allergies you may have, any medications you are taking, whether you are pregnant or breast-feeding, and any other significant facts about your health.
These factors may affect how you should use this medication. Kidney function: Kidney disease or reduced kidney function may cause this medication to build up in the body, causing side effects.
If you have reduced kidney function or kidney disease, discuss with your doctor how this medication may affect your medical condition, how your medical condition may affect the dosing and effectiveness of this medication, and whether any special monitoring is needed. Pneumonia: People with lung disease, a weak immune system, or diabetes may be at an increased risk of developing pneumonia while taking ranitidine. If you have any of these conditions, discuss with your doctor how this medication may affect your medical condition, how your medical condition may affect the dosing and effectiveness of this medication, and whether any special monitoring is needed.
Porphyria: Ranitidine may cause attacks of a condition called acute porphyria a disorder that affects the production of heme in the body. People with a history of acute porphyria should not take ranitidine.
Stomach cancer: Using medications such as ranitidine may prevent symptoms of stomach cancer from being noticed. If you have recurrent vomiting, difficulty swallowing, blood in the stool, significant unintentional weight loss, fatigue anemia , or are coughing up blood, check with your doctor right away. If you have heartburn that worsens or returns after using this medication continuously for 2 weeks, check with your doctor.
Pregnancy: This medication should not be used during pregnancy unless the benefits outweigh the risks. If you become pregnant while taking this medication, contact your doctor immediately. Breast-feeding: This medication passes into breast milk. If you are a breast-feeding mother and are taking ranitidine, it may affect your baby. Talk to your doctor about whether you should continue breast-feeding. Children: The safety and effectiveness of using this medication have not been established for children less than 8 years of age.
Children between the ages of 8 years and 16 years of age, should only use this medication under the supervision of a doctor.
Seniors: Seniors may be more likely to experience interactions with other medications when taking ranitidine. If you are a senior, your doctor should closely monitor your condition. If you are taking any of these medications, speak with your doctor or pharmacist. Depending on your specific circumstances, your doctor may want you to:.
An interaction between two medications does not always mean that you must stop taking one of them. Speak to your doctor about how any drug interactions are being managed or should be managed. As a result, more of a drug stays in your body for a longer time. This raises your risk of side effects. Your doctor may start you on a lower dosage or a different treatment schedule.
This can help keep levels of the drug from building up too much in your body. If you have moderate or severe kidney disease, your doctor may start you on mg once per day. They may increase the dosage to twice per day. They may increase your dosage to twice per day. Your doctor may start you on a lowered dosage or a different treatment schedule. If you have moderate or severe kidney disease, your doctor may start you on mg taken once per day.
However, because drugs affect each person differently, we cannot guarantee that this list includes all possible dosages. Always speak with your doctor or pharmacist about dosages that are right for you. Ranitidine is used for long-term or short-term treatment. This may make your condition worse. For this drug to work well, a certain amount needs to be in your body at all times. If you take too much: Ranitidine overdose is very rare. You would usually have to take much more than recommended before having overdose symptoms.
However, if you take too much ranitidine, you could have dangerous levels of the drug in your body. Symptoms of an overdose of this drug can include:. But if your symptoms are severe, call or go to the nearest emergency room right away.
What to do if you miss a dose: Take your dose as soon as you remember. But if you remember just a few hours before your next scheduled dose, take only one dose. Never try to catch up by taking two doses at once. This could result in dangerous side effects. A prescription for this medication is refillable.
You should not need a new prescription for this medication to be refilled. Your doctor will write the number of refills authorized on your prescription.
You and your doctor should monitor certain health issues. This can help make sure you stay safe while you take this drug. These issues can include your kidney function. Your doctor may do blood tests to check how well your kidneys are working. There are other drugs available to treat your condition. Some may be better suited for you than others. Talk to your doctor about other drug options that may work for you. Taking it again could cause death. For people with kidney problems: If you have kidney problems or a history of kidney disease, you may not be able to clear this drug from your body well.
This may increase the levels of ranitidine in your body and cause more side effects. For people with liver problems: If you have liver problems or a history of liver disease, you may not be able to process this drug well.
This drug can trigger an acute porphyric attack. For people with gastric cancer: This drug reduces the amount of acid in your stomach. This can help improve the symptoms of your gastrointestinal condition.
However, if your symptoms are caused by a cancerous gastric tumor, you may still have the tumor. This drug does not treat cancer. For pregnant women: Research in animals has not shown that this drug poses a risk to a pregnancy. However, animal studies do not always predict the way humans would respond.
That said, this drug should only be used in pregnancy if clearly needed. Call your doctor right away if you become pregnant while taking this drug. For women who breastfeeding: You should tell your doctor before taking this drug.
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