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Doctor insights on: Medicine For Ranitidine Allergy

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Is Zantac (ranitidine) used for allergies?

Is Zantac (ranitidine) used for allergies?

Not exactly: Zantac (ranitidine) is an h2 (histamine) blocker that is typically used for ge (acid) reflux. However, it is commonly used to treat chronic hives in combination with traditional antihistamines. It is also used for additional treatment of severe (anaphylaxis) allergic reactions although first line treatment is Epinephrine and h1 antihistamine. It will not help allergic rhinitis. ...Read more

Dr. John Chiu
2,638 Doctors shared insights

Allergies (Definition)

Allergies occur when your immune system is triggered by envirionmental factors it should ignore--for example, pollen in the air, or dander on a cat or dog--and creates cells to fight against them. An allergic reaction typically causes itching, congestion, or drainage, and ...Read more


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How common is an allergy to zantac (ranitidine)?

How common is an allergy to zantac (ranitidine)?

Uncommon: Zantac (ranitidine) is an h2 receptor blocker (a different histamine receptor). A very common side effect of Zantac (ranitidine) is nausea, GI upset and diarrhea. If you are experiencing these, then it is not an allergy but rather a side effect of the medication. Although an allergy is very unusual for this medication, it is still a possibility. See an allergist. ...Read more

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Is Zantac (ranitidine) (histamine blocker) used for children for allergies.?

Is Zantac (ranitidine) (histamine blocker) used for children for allergies.?

Add-on for hives: Ranitidine (zantac), although it's a different kind of histamine blocker (h2 for acid vs h1 for allergies), has been shown to have some anti-allergy properties, especially when used with an h1 blocker like Benadryl (diphenhydramine) for hives. There was actually one study that showed benefit in nasal allergies, but I don't know anyone that prescribes it for that purpose. ...Read more

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What is cows milk protein allergy? What foods to avoid? What's best baby formula to use he also has silent reflux on ranitidine and domperidone

What is cows milk protein allergy? What foods to avoid? What's best baby formula to use he also has silent reflux on ranitidine and domperidone

Any cow milk product: Cow's milk is present in most cheeses, yoghurt, cream, butter and hence virtually all dairy. You must read the labels to know for sure. Soy based formulas are the most common alternatives. Your pediatrician should help you select a formula that is milk-free. It may be possible later in childhood to introduce sheep and goat milk products but wait for your pediatrician to give the ok. ...Read more

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My 13 week old is on 0.6mls ranitidine for reflux now my doctor think he has a cows milk allergy. He is fussy, won't nap and doesn't sleep through night?

My 13 week old is on 0.6mls ranitidine for reflux now my doctor think he has a cows milk allergy. He is fussy, won't nap and doesn't sleep through night?

Other suggestions: I agree that your son may have a cows milk allergy or lack of tolerance to milk. If there is a history of allergic disease in the family, a rash called eczema then it is more likely to be an allergic reaction. If he continues to spit up while on the medication, a dose adjustment for his weight may be needed. I would also suggest that he feed at around a 40 degree angle. ...Read more

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I had an allergy to doxycycline 4 weeks ago I can't take benedryl and I took prednisone for 12 days and I still itch, I have been taking ranitidine?

I had an allergy to doxycycline 4 weeks ago I can't take benedryl and I took prednisone for 12 days and I still itch, I have been taking ranitidine?

Cause?: I doubt that the allergy to doxycycline can linger on this long and thus your itching must be from something else. In the absence of skin rash, dry skin is the most common cause for itching. Have you tried applying a moisturizer on your body 2x daily with one <3 mins after bathing? ...Read more

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Will azithromycin cause lips to swell if mixed with Imodium, Prilosec or Zantac (ranitidine)? You can also view my other medication to help. Never had med allergy B4

Will azithromycin cause lips to swell if mixed with Imodium, Prilosec or Zantac (ranitidine)? You can also view my other medication to help. Never had med allergy B4

ALLERGIC REACTION: You may be having an allergic reaction to the Azithromycin. You need to be examined promptly and have labs checked (Especially Eosinophil level) I normally would treat with a prednisone taper over 8 days. If symptoms worsen and you have difficulty breathing go to nearest ER. ...Read more

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Can I give my 15 month old peptobismol? She keeps throwing up with no signs of fever or illness. We have checked food allergies, ans GERD (taking zantac (ranitidine) 2x daily). I cannot figure out what's wrong :- (

Can I give my 15 month old peptobismol? She keeps throwing up with no signs of fever or illness. We have checked food allergies, ans GERD (taking zantac (ranitidine) 2x daily). I cannot figure out what's wrong :- (

I wouldn't: Pepto has salycilates which we don't give tom kids under 16 because of an association with liver failure/death (Reye syndrome).Wet burps that do not result in problems with hydration often decrease with age as the reflux improves. If the kid is growing well. I would leave it alone. ...Read more

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Is it possible that Zantac, being a histamine blocker, could cause higher histamine production when coming off of it, resulting in development of allergies? For example consuming diet soda can result in insulin spikes in some cases, possibly leading to di

Is it possible that Zantac, being a histamine blocker, could cause higher histamine production when coming off of it, resulting in development of allergies? For example consuming diet soda can result in insulin spikes in some cases, possibly leading to di

No: Zantac (ranitidine) is a histamine 2 receptor reverse agonist and would not significantly affect histamine production. When withdrawn. There is a theoretical possibility that Zantac (ranitidine) itself may lead to more histamine release by blocking the histamine 2 receptor (which acts as a feedback switch) but this has not been clinically a significant issue. ...Read more

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Can I take prednisone, Zantac and Benadryl (diphenhydramine) for allergies?

Can I take prednisone, Zantac and Benadryl (diphenhydramine) for allergies?

Yes, but: It is bit much, especially the prednisone. And the Benadryl (diphenhydramine) makes most people sleepy. I would recommend a non-sedating antihistamine, such as loratadine, cetirizine, or fexofenadine. ...Read more

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30 year-old woman with a 4-year history of numbness in the upper body, and arms and legs, with undiagnostic imaging studies, but carries diagnos.....?

30 year-old woman with a 4-year history of numbness in the upper body, and arms and legs, with undiagnostic imaging studies, but carries diagnos.....?

Stress related?!: At age 30 with so many normal tests and diagnoses like fibromyalgia and trigeminal nauralgia (highly unusual for that age except in MS, ruled out by the normal MRIs) non organic and stress related problems come to mind Don't forget the symptoms are REAL in those cases too! ...Read more

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So I took my ranitidine medicine at 12pm and drank half a cup of alcohol at 11pm would that have caused a lot of damage towards me? I'm worried

So I took my ranitidine medicine at 12pm and drank half a cup of alcohol at 11pm would that have caused a lot of damage towards me? I'm worried

It is possible: If you are taking ranitidine, it is most likely because you have a problem with your stomach such as gastroesophageal reflux (heartburn) or ulcers. You should strictly avoid alcohol if you have either of these conditions. Alcohol lowers the pressure of the valve (sphincter) that keeps acid from coming back up into the esophagus. Alcohol can cause bleeding from your stomach or esophagus. ...Read more

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Which controls reflux best: 150mg ranitidine twice a day, 20mg protonix (pantoprazole) twice a day, 40mg protonux once a day or combo of both drugs?

Which controls reflux best: 150mg ranitidine twice a day, 20mg protonix (pantoprazole) twice a day, 40mg protonux once a day or combo of both drugs?

Reflux: A lot of people take protonix (pantoprazole) just once daily at either 20 or 40mg and do well but others, anecdotally, seem to prefer taking the 20 mg dose twice daily. Ranitidine can work well for a lot of people as well (twice daily). however, if your reflux is very severe I recommend that you get an evaluation by a gastroenterologist to make sure it's you're only dealing with simple gastroesophageal reflux ...Read more

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What is the chance of me having anaphylaxis to fludrocortisone? Is it higher than say Zantac (ranitidine) and other drugs or same? This terrifys me with any drug.

What is the chance of me having anaphylaxis to fludrocortisone? Is it higher than say Zantac (ranitidine) and other drugs or same? This terrifys me with any drug.

HIghly unlikely: I don't believe that this has been reported although anaphylaxis to solumedrol (methylprednisolone) (another form of cortisone) has been reported but the link is to the succinate ingredient and not to the cortisone molecule itself. Most of the cortisone allergy is related to contact dermatitis and not anaphylaxis. Your anxiety on this may be the cause for some of your reactions. Talk to an allergist. ...Read more

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What drugs interact with zantac (ranitidine)?

Many drugs can: Interact with zantac. Check this site for full list: http://www. Drugs. Com/drug-interactions/ranitidine, zantac-150.html ...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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I have been taking Prilosec for 10 years. Trying to wean off with Zantac (ranitidine) 150/2 daily. Is there another drug I could use. Zantac (ranitidine) is giving me anxiety?

I have been taking Prilosec for 10 years. Trying to wean off with Zantac (ranitidine) 150/2 daily. Is there another drug I could use. Zantac (ranitidine) is giving me anxiety?

Depends: It really depends on why you are having reflux.
Best is to fix the root of the problem.
Long term stomach acid suppression can lead to micronutrient deficiencies and cause health problems. ...Read more

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Wolud there be a drug interaction if you are taking Prilosec 40mg and Zantac (ranitidine) 150mg if you still felt the heartburn?

Wolud there be a drug interaction if you are taking Prilosec 40mg and Zantac (ranitidine) 150mg if you still felt the heartburn?

Fine...: No major interactions exist, but I'm worried that your symptoms aren't being controlled well. You should definitely talk with your doctor to see if something else can be done. ...Read more

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My 3 month old baby been prescribed ranitidine 0.53ml 3x day domperidone 1.5 ml 3xday for silent reflux can this medicine cause smelly diarehea?

My 3 month old baby been prescribed ranitidine 0.53ml 3x day domperidone 1.5 ml 3xday for silent reflux can this medicine cause smelly diarehea?

See below: Any medicine given orally including medicines that alter gut processes can change the bacteria flora and thus, change the smell of the stool. ...Read more

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My baby recently started ranitidine for reflux. The medicine is helping him, but I noticed that he has mucus in his stool. Is this side effect of med?

My baby recently started ranitidine for reflux. The medicine is helping him, but I noticed that he has mucus in his stool. Is this side effect of med?

Stool mucus: The stool with mucus is probably from diet given rather than Raniditine for the GERD/reflux. No treatment is needed for this, just good hydration, water. Usually, with time, the gastric muscle strengthens and no reflux
continues. Welcome to health tap! ...Read more

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I took 450 milligrams of Zantac (ranitidine) and tested positive for meth on a store bought dip stick style ua given at work. I am not a drug user. What gives?!

Could Be False +: There is literature that with routine drug screens - which are great, and cost-effective - there are quite a few false positives, and the literature on Zantac (ranitidine) seems to corroborate that. Gas chromatography- mass spectroscopy is considered the "gold standard" in most scientific literature, though in practice it is not often performed in many clinics and hospitals. Also - 450mg of Zantac (ranitidine) is a lot! ...Read more

Dr. Sanjay Talati
652 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


Dr. Sandra Lora Cremers
563 Doctors shared insights

Zantac (Definition)

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