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Doctor insights on: Quitting Ranitidine

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What is zantac (ranitidine)?

What is zantac (ranitidine)?

Antiacid stomach med: Zantac (ranitidine) is a histamine-2 (h2 blocker) which blocks acid secretion in the stomach. It can be used for esophageal reflux
(gerd) or other general hi acid states. It may be safer to use long-term than the other popular acid blockers (ppi's) e.g. Prilosec. Interestingly, since Zantac is a histamine blocker it can also be used for 'allergy' or hives. ...Read more

Dr. Sanjay Talati
649 Doctors shared insights

Ranitidine (Definition)

Treats and prevents heartburn with acid indigestion. Also treats stomach ulcers, gastroesophageal reflux disease (gerd), and conditions that cause your stomach to make too much acid (such as zollinger-ellison syndrome). This medicine ...Read more


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What is the med ranitidine for?

What is the med ranitidine for?

Decrease acid prod.: Histamine receptor blocker (h2 blocker) which cuts down on a id production. This allows healing of stomach and esophagus inflammation, ulcers. Stronger meds available. Most ulcers due to bacterial infection-cure requires other meds. Safe med. See md if need it often or for more than a few days. ...Read more

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Is 450mg of Zantac (ranitidine) bad?

Is 450mg of Zantac (ranitidine) bad?

Probably not: It is higher than the recommended maximum daily dose of 300 mg but it should not present any major issues. ...Read more

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Expired Zantac (ranitidine) still work?

Yes, but: Depends on how long it has been expired. Effectiveness will diminish with time (years). ...Read more

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Does Zantac (ranitidine) cause anxiousness?

Does Zantac (ranitidine) cause anxiousness?

Zantac (ranitidine) and anxiety: Anxiety is extremely rare in zantac (ranitidine) use. But, it has been reported. The only way to know is to stop the zantac (ranitidine). If that is the cause, the anxiety should go away in a couple of days. So far, only 10 cases have been reported. ...Read more

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Take two Zantac (ranitidine) 75 or one 150?

The same: These simply are the same amount in total. No difference in effect either way. ...Read more

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Please describe the medication: ranitidine?

Acid Reflux Med: Treats and prevents heartburn with acid indigestion. Also treats stomach ulcers, gastroesophageal reflux disease (gerd), and conditions that cause your stomach to make too much acid (such as zollinger-ellison syndrome). This medicine is a histamine h2-blocker. ...Read more

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Can I take 3 Zantac (ranitidine) at one time?

Not recommended: Risks outweigh benefits. Taking three 150 mg pills probably would not cause toxicity though it also would not likely provide more relief. Current recommended dosages for Zantac (or ranitidine) for most conditions is 150 mg twice daily or 300 mg once at bedtime. Patients with erosive esophagitis may benefit from 150 mg four times daily but dosages are about every 6 hours, not all at once. ...Read more

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Can I take Zantac (ranitidine) with omaprozle?

Omeprazole/Zantac: Although you can take it together, it is unlikely you will get much more relief than your prescribed omeprazole. If the omeprazole that has been prescribed by your doctor is not controlling your symptoms well (if you are still having symptoms more than three times per week), you should mention it to your doctor to alter your dosage or your medication. Anti-reflux measures can help also. Good luck. ...Read more

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Can you have an overdose on zantac (ranitidine)?

Of course by why?: Zantac (ranitidine) when therapeutically dosed is 150-300mg twice daily. Over time, patients may develop tolerance to the drug but further dosing is unwarranted. If you have dyspeptic symptoms refractory to zantac, or your symptoms progress, don't exceed the recommended dose but get evaluated. ...Read more

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Why ranitidine is not used as anti-allergic drug?

Why ranitidine is not used as anti-allergic drug?

Sometimes it is: Ranitidine is an h2 type of antihistamine. Most h2 receptors are in the stomach and therefore ranitidine is effective in acid suppression for stomach acid reflux. However, there are h2 receptors around blood vessels so ranitidine is sometimes used in treatment of hives and severe allergic reactions like anaphylaxis. H1 antihistamines are best for allergic reactions. ...Read more

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Does ranitidine 300 mg po Qhs same with ranitidine?

Ranitidine: 300 mg po QHS - means you are taking a dose of 300 milligrams of ranitidine at each bedtime. ...Read more

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Is 150 mg of Zantac (ranitidine) safe for long term use?

Yes it is safe: It is safe for long term use
But let your doctor know you are taking it ...Read more

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Am I able to take 4mg ondanssetron with 150mg ranitidine?

No interaction: Ondansetron which is used to treat nausea/vomiting, and ranitidine which is used to suppress the release of stomach acid, have no listed interaction. Your medication list mentions citalopram, however, which CAN interact with ondansetron; both lengthen the QT interval (a measure of electrical conduction of the heart) which can be risky in some people. Monitoring of EKG may be warranted. ...Read more

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Can I take 300 mg of Zantac (ranitidine) twice a day safely?

Can I take 300 mg of Zantac (ranitidine) twice a day safely?

For Erosive Esophagi: Zantan 300 mgm can be taken if prescribed by your doctor or Gastroenterologist if you have erosive esophagitis
It is not the dose for GERD ...Read more

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How much ranitidine should my 19week 13lb 5 baby be taking?

How much ranitidine should my 19week 13lb 5 baby be taking?

Typical dosing: You should review your medications and their dosing with your pediatrician. No infant should be on this medication without the doctor's knowledge. Typical infant dosing for ranitidine is 5-10 mg/kg/day --> 1-2 mL (15-30 mg) twice daily would typically be appropriate for a 6 kg (13 lb 5 oz) infant. ...Read more

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Does Zantac (ranitidine) work well, or are there better options?

I try to avoid: Making assumptions. Maybe you can tell us a little about the problem - so we have context to make possible recommendations. Take care. ...Read more

Dr. Chad Levitt
560 Doctors shared insights

Zantac (Definition)

Zantac is a H2 receptor blocker which is a kind of ...Read more