Evie Summers
Zantac is a medication used to treat and prevent heartburn and other symptoms caused by excess stomach acid. It is typically taken once or twice daily, either after the evening meal or before bedtime. The dosage may vary depending on the patient's medical condition and response to treatment. Zantac is generally safe and effective for individuals aged one month to 16 years. However, it is important to consult a doctor or pharmacist if you have any questions or concerns about taking this medication. While Zantac can be effective in relieving heartburn, it is important to be aware of potential side effects and drug interactions.
| Characteristics | Values |
|---|---|
| Dosage | The current recommended adult oral dosage is 150 mg twice daily. An alternative dosage of 300 mg once daily after the evening meal or at bedtime can be used for patients in whom dosing convenience is important. Smaller doses have been shown to be equally effective. |
| How to take | Take the medication by mouth with a glass of water. If you are taking it once daily, it is usually taken right before bedtime. |
| Frequency | Take your doses at regular intervals. Do not take your medication more often than directed. |
| Overdosage | If you think you have taken too much of this medicine, call a poison control centre or emergency room at once. US residents can call 1-800-222-1222. Canada residents can call 1-844-764-7669. |
| Side effects | Headache, constipation, diarrhoea, easy bruising/bleeding, signs of infection (such as a sore throat that doesn't go away, fever, chills), mental/mood changes (such as restlessness, confusion, depression, hallucinations). |
| Allergies | Tell your doctor or pharmacist if you are allergic to ranitidine or any other medications, including other H2 blockers (such as cimetidine, famotidine). |
| Medical history | Tell your doctor about any medical history, especially blood disorders, immune system problems, kidney problems, liver problems, lung diseases (such as asthma or COPD), or other stomach problems (such as tumours). |
| Drug interactions | May change how your medications work or increase your risk for serious side effects. Do not take with aspirin, ibuprofen, or other anti-inflammatory medications. Do not take with alcohol or smoke cigarettes. |
| Cancer risk | A possible cancer-causing impurity (N-nitrosodimethylamine or NDMA) has been found in some ranitidine products, leading to their withdrawal from the US market. However, this impurity has not been found in famotidine, which is the active ingredient in Zantac 360°. |
Explore related products
What You'll Learn
Zantac dosage for adults and children
Zantac (also known as Zantac 360) is used to treat acid reflux disease, or gastroesophageal reflux disease (GERD). It can also be used to prevent and relieve heartburn associated with acid indigestion and sour stomach.
The recommended adult oral dosage of Zantac for duodenal ulcer is 150 mg twice daily. An alternative dosage is 300 mg once daily after the evening meal or at bedtime. Smaller doses of 100 mg twice daily have been shown to be as effective as the 150 mg dose. For patients with severely impaired renal function, the recommended dosage is 150 mg every 24 hours, which can be increased to every 12 hours if the patient's condition requires it.
The safety and effectiveness of Zantac have been established for children aged between 1 month and 16 years. The recommended oral dose for the treatment of active duodenal and gastric ulcers in this age group is 2 to 4 mg/kg twice daily, up to a maximum of 300 mg per day. For the maintenance of healing of duodenal and gastric ulcers, the recommended dose is 2 to 4 mg/kg once daily, up to a maximum of 150 mg per day. Treatment of GERD and erosive oesophagitis in children is supported by limited data, with a recommended dosage of 5 to 10 mg/kg/day, given as two divided doses.
Zantac can be taken with a glass of water to prevent heartburn 10 to 60 minutes before eating food or drinking beverages that are likely to cause heartburn. For the relief of heartburn symptoms, it can be taken after the onset of symptoms. The maximum dosage for adults is two tablets in a 24-hour period, and it should not be taken for more than 14 consecutive days without consulting a doctor.
Garmin Sleep Tracker: Maximizing Your Sleep Insights
You may want to see also
Explore related products
Side effects and overdose symptoms
Zantac (also known as ranitidine and famotidine) is a medication used to treat conditions that cause too much stomach acid, such as heartburn, stomach ulcers, and reflux disease. It is typically taken once or twice daily, and when treating an ulcer, it may take up to eight weeks for the ulcer to heal.
Side effects
Common side effects of Zantac include headache, constipation, or diarrhea. These side effects are usually mild and may resolve without medical intervention. However, if they persist or worsen, it is important to consult a doctor or pharmacist.
More serious side effects that require immediate medical attention include:
- Easy bruising or bleeding
- Signs of infection (such as a sore throat that doesn't go away, fever, or chills)
- Mental or mood changes (such as restlessness, confusion, depression, or hallucinations)
- Abnormal heartbeat, including a rapid, slow, or irregular heartbeat
- Severe dizziness
- Fainting
- Seizure
- Allergic reactions, such as skin rash, itching, hives, or swelling of the face, lips, tongue, or throat
Zantac may also increase the risk of developing pneumonia, with symptoms such as chest pain, fever, shortness of breath, and coughing up green or yellow mucus.
Additionally, Zantac has been found to contain a contaminant known as N-nitrosodimethylamine (NDMA), which is a probable human carcinogen. As a result, ranitidine products have been withdrawn from the market in the United States and Europe.
Overdose symptoms
An overdose of Zantac or other H2 receptor antagonists occurs when an individual takes more than the recommended amount. Overdose symptoms may include abnormal heartbeat. If an overdose is suspected, it is crucial to seek immediate medical attention by calling emergency services or a poison control center.
The Ultimate Knockout Sleeping Pill: Fact or Fiction?
You may want to see also
Explore related products
$9.99
Drug interactions and allergies
Zantac, which contains ranitidine or famotidine, is used to treat and prevent stomach and duodenal ulcers, and to treat gastroesophageal reflux disease (GERD) and Zollinger-Ellison Syndrome. It belongs to a class of drugs known as H2 blockers, which work by reducing the amount of acid in the stomach.
Zantac may interact with other medications and increase the risk of serious side effects. It is important to inform your doctor of any other medications you are taking, including prescription, non-prescription, and herbal products. Do not start, stop, or change the dosage of any medicines without your doctor's approval.
Some products that may interact with Zantac include:
- Fezolinetant
- Atazanavir
- Dasatinib
- Certain azole antifungals (e.g. itraconazole, ketoconazole)
- Levoketoconazole
- Pazopanib
- Sparsentan
- Aspirin
- Ibuprofen
- Other anti-inflammatory medications
Zantac should also be used with caution in combination with non-steroidal anti-inflammatory drugs (NSAIDs) such as diclofenac, ibuprofen, and naproxen, especially in seniors or individuals with a history of ulcers.
Allergies
Serious allergic reactions to Zantac are rare, but medical help should be sought immediately if any symptoms of an allergic reaction occur, including:
- Rash
- Itching/hives
- Swelling (especially of the face/tongue/throat)
- Severe dizziness
- Trouble breathing
- Abdominal cramps
- Nausea and vomiting
- Peeling or blistering rash
Is ZzzQuil Safe for Periodic Sleep Aid?
You may want to see also
Explore related products
Zantac safety and availability
Zantac is a medication used to treat duodenal ulcers and prevent and relieve heartburn. It is available in tablet, effervescent tablet, effervescent granules, syrup, and oral suspension forms. The active ingredient in Zantac is ranitidine, which belongs to a class of drugs known as H2 blockers or histamine-2 blockers. These work by blocking histamine, a chemical that causes acid production in the stomach. Zantac is typically taken once or twice a day, either after an evening meal or at bedtime. It can also be taken 15 to 60 minutes before eating or drinking to prevent heartburn.
Zantac is generally safe for adults and children over one month old when used as directed. However, it is important to consult a doctor or pharmacist before use, especially for those with certain medical conditions. For example, those with a history of porphyria, phenylketonuria, kidney or liver disease, or pregnancy should consult a doctor before taking Zantac. Additionally, Zantac may interact with other medications, such as aspirin, ibuprofen, and anti-inflammatory drugs, so it is important to disclose all medications, vitamins, and supplements currently being taken.
In terms of availability, Zantac products containing ranitidine were voluntarily recalled in the US in October 2019 due to the presence of a possible cancer-causing impurity called N-nitrosodimethylamine (NDMA). As a result, ranitidine products are no longer available for new or existing prescriptions or over-the-counter use in the US. However, Zantac 360° is still available and contains the active ingredient famotidine, which has been clinically proven safe and effective for preventing and relieving heartburn.
Restarting or Sleeping: Which Drains More Battery?
You may want to see also
Explore related products
Zantac alternatives
Zantac, a heartburn medication, has been recalled in the U.S. due to concerns that it may contain a carcinogen called NDMA. The drug's generic form, ranitidine, is also affected by this recall. As a result, here are some alternative medications and lifestyle changes you can consider:
Proton Pump Inhibitors (PPIs): PPIs are a class of drugs that effectively block acid secretion into the stomach. The FDA has listed three PPIs as alternatives to Zantac: pantoprazole, esomeprazole, and lansoprazole. However, it is important to note that long-term use of PPIs may increase the risk of gastric infections and reduce the absorption of magnesium and vitamin B12.
H2 Histamine Receptor Antagonists: The FDA has listed two safe alternatives to Zantac in this class of drugs. One of them is cimetidine, but it is associated with adverse effects like gynecomastia, impotence, vitamin B12 deficiency, and altered mental status. Therefore, these drugs should only be taken under a physician's supervision, who can advise on the appropriate dose and duration.
Famotidine: Famotidine is another alternative to Zantac for treating and preventing stomach and intestinal ulcers. It is available under brand names like Heartburn Relief, Pepcid, and Zantac 360. It is important to consult your doctor before taking this medication, as it may interact with other drugs and affect their absorption.
In addition to these medications, making certain lifestyle changes can help reduce heartburn symptoms:
- Avoid foods that trigger heartburn, such as acidic, fatty, and spicy foods, coffee, carbonated drinks, and alcohol.
- Eat smaller meals to improve digestion and prevent stomach acid from rising into the esophagus.
- Reduce stress, stop smoking, and limit alcohol consumption.
- Avoid caffeine and certain spices.
Staying Healthy: Taking Pills Without Sleep
You may want to see also
Frequently asked questions
Yes, Zantac can be taken before sleeping. The recommended adult oral dosage is 150 mg at bedtime.
The current recommended adult oral dosage is 150 mg twice daily. Smaller doses have been shown to be equally effective.
Yes, Zantac should be taken with a glass of water.
Yes, Zantac can be taken to prevent heartburn. Take it 15-60 minutes before eating food or drinking beverages that cause heartburn.
No, do not take Zantac for more than 14 days in a row without talking to your doctor.
