If your doctor has recommended a dose different from the ones listed here, do not change the way that you are taking the medication without consulting your doctor.
It is important to use this medication exactly as prescribed by your doctor. If you miss a dose, take it as soon as possible and continue with your regular schedule. If it is almost time for your next dose, skip the missed dose and continue with your regular dosing schedule. Do not take a double dose to make up for a missed one. If you are not sure what to do after missing a dose, contact your doctor or pharmacist for advice.
Store this medication at room temperature, protect it from light and moisture, and keep it out of the reach of children. Do not dispose of medications in wastewater e. Ask your pharmacist how to dispose of medications that are no longer needed or have expired.
Many medications can cause side effects. A side effect is an unwanted response to a medication when it is taken in normal doses. Side effects can be mild or severe, temporary or permanent. The side effects listed below are not experienced by everyone who takes this medication. If you are concerned about side effects, discuss the risks and benefits of this medication with your doctor. Many of these side effects can be managed, and some may go away on their own over time. 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 the 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 disease: Famotidine is removed from the body mostly by the kidneys. 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.
Lower doses or longer intervals between doses may be needed. Severe stomach problems: Although common, heartburn and acid indigestion can sometimes be a warning sign for more serious stomach problems.
If you are over the age of 40 and are experiencing heartburn for the first time, you should check with your health care professional before starting this medication. The bacteria that cause this infection attacks the stomach lining, which can result in peptic ulcers. Treatment includes omeprazole combined with an antibiotic like amoxicillin or clarithromycin. Both famotidine and omeprazole can be effective drugs for treating GERD and other digestive conditions. However, the general consensus is that omeprazole is a more potent drug than famotidine.
Randomized, clinical trials have shown that PPIs are more effective in treating duodenal ulcers than H2 blockers. PPIs were found to significantly increase ulcer healing compared to H2 blockers.
No significant differences were found between the PPIs that were studied, which included Prevacid lansoprazole , Protonix pantoprazole , and Aciphex rabeprazole.
In people who take blood thinners, such as clopidogrel and aspirin, a PPI or H2 blocker can be used to prevent ulcers. One systematic review found that PPIs were superior to H2 blockers in preventing gastric ulcers. The studies in the review mostly compared Prilosec omeprazole or Nexium esomeprazole with Pepcid famotidine or Zantac ranitidine. The more effective drug is ultimately the one that works best for your condition.
Sign up for Omeprazole price alerts and find out when the price changes! Most Medicare Part D plans and other insurance plans will cover generic famotidine tablets. Try the SingleCare prescription coupon card. Omeprazole delayed-release capsules are covered by most Medicare and insurance plans. For generic omeprazole capsules, you can use a SingleCare coupon card to lower this cost. The most common side effects of famotidine and omeprazole are headache, dizziness, constipation, and diarrhea.
Other gastrointestinal side effects are common and include stomach ache, nausea, and vomiting. Omeprazole can also cause flatulence or gas. Serious side effects include allergic reactions to any of the ingredients in these medications. Allergic reactions can include rash or trouble breathing.
Seek medical attention if you experience serious adverse effects. This may not be a complete list. Consult your doctor or pharmacist for possible side effects. Source: DailyMed famotidine , DailyMed omeprazole. Famotidine primarily interacts with drugs that depend on stomach acid for absorption.
These drugs include antiretrovirals, such as atazanavir and rilpivirine, and antifungals, such as ketoconazole and itraconazole. Taking famotidine can decrease the absorption of these drugs and decrease their overall effectiveness. Ketoconazole coupons What is Ketoconazole? Itraconazole coupons What is Itraconazole? Famotidine can also interact with tizanidine, a muscle relaxer that is processed by the CYP1A2 enzyme in the liver. Famotidine can increase levels of tizanidine in the body which can lead to low blood pressure hypotension , slow heartbeat bradycardia , or extreme drowsiness.
Omeprazole also interacts with some antiretroviral medications, which can lead to a decrease in their effectiveness. These drugs may include tacrolimus and rifampin, among other drugs. Omeprazole can interact with warfarin and increase the risk of abnormal bleeding. Taking omeprazole with an immunosuppressant called methotrexate can lead to methotrexate toxicity.
This may not be a complete list of all possible drug interactions. Consult a doctor with all the medications you may be taking. Take famotidine exactly as directed. Do not take more or less of it or take it more often or for a longer time than prescribed by your doctor.
Thoroughly chew the chewable tablets before swallowing them. Swallow the chewed tablet with a full glass of water. Do not take more than two tablets, capsules, or chewable tablets of over-the-counter famotidine in 24 hours and do not take over-the-counter famotidine for longer than 2 weeks unless your doctor tells you that you should. If symptoms of heartburn, acid indigestion, or sour stomach last longer than 2 weeks, stop taking over-the-counter famotidine and call your doctor.
This medication may be prescribed for other uses; ask your doctor or pharmacist for more information. If you forget a dose of prescription famotidine, take the missed dose as soon as you remember it. However, if it is almost time for the next dose, skip the missed dose and continue your regular dosing schedule.
Do not take a double dose to make up for a missed one. Over-the-counter famotidine is usually taken as needed. If your doctor has told you to take over-the-counter famotidine regularly, take the missed dose as soon as you remember it.
Famotidine may cause other side effects. Call your doctor if you have any unusual problems while taking this medication. Keep this medication in the container it came in, tightly closed, and out of reach of children. Store it at room temperature and away from excess heat and moisture not in the bathroom.
Do not allow the liquid to freeze. Dispose of unused famotidine liquid after 30 days. Unneeded medications should be disposed of in special ways to ensure that pets, children, and other people cannot consume them.
However, you should not flush this medication down the toilet. Instead, the best way to dispose of your medication is through a medicine take-back program. It is important to keep all medication out of sight and reach of children as many containers such as weekly pill minders and those for eye drops, creams, patches, and inhalers are not child-resistant and young children can open them easily.
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