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Doctor insights on: Zantac Pediatric Dosage

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Just stopped Nexium and have started taking Zantac! What is the maximum daily dosage? Stoppd because heard bad reports recently on taking Nexium

Just stopped Nexium and have started taking Zantac! What is the maximum daily dosage? Stoppd because heard bad reports recently on taking Nexium

OTC labeling: Over the counter labeling is different that what your physician would prescribe. Follow the box directions if you purchased it in the pharmacy.The dosage depends on what you are treating. If not better see a physician for a diagnosis and treatment. ...Read more

Dr. Sanjay Talati
640 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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Dosage of Zantac (ranitidine) tablet for 5 yr olds?

Dosage of Zantac (ranitidine) tablet for 5 yr olds?

Zantac (ranitidine): 1 mg per kilo per dose given twice daily. Assuming weight of five yrs old is 45lbs, ( roughly 20 kilos), dose of Zantac (ranitidine) is 20 mg by mouth twice daily. ...Read more

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My husband had GERD several years ago with a dry cough that was diagnosis with Prilosec success. He has this again but not working. Prilosec + zantac (ranitidine)?Dosage?

My husband had GERD several years ago with a dry cough that was diagnosis with Prilosec success. He has this again but not working. Prilosec + zantac (ranitidine)?Dosage?

Increase dose: If in fact the cough is caused by acid reflux coming up into the laryngeal area it may take using the Prilosec twice a day. Of course, the problem may be caused by something else such post-nasal drip or even cough varient asthma. It may be time to see a cough specialist such as an allergist or pulmunologist. ...Read more

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Accidentally took too much zantac, (ranitidine) should I skip evening dose?

Maybe: Zantac is ranitidine which has been prescribed in doses as high as 300 mg 2 x per day. If you have exceeded more than 300 mg, you might want to hold the dose. Otherwise, you could take an evening dose. Otherwise, check with your doctor. ...Read more

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6 wk old prescribed Zantac (ranitidine) 3x/day. Supposed to have 2nd dose at 3:00 pm, but gave at 11am instead. She had last at 7:00am. Is she ok?

6 wk old prescribed Zantac (ranitidine) 3x/day. Supposed to have 2nd dose at 3:00 pm, but gave at 11am instead. She had last at 7:00am. Is she ok?

Okay: We try to space out dosing because the drug wears off after a while and we want to cover most of the day.Bumping up a dose is unlikely to hurt but it also may not produce additional benefit. ...Read more

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If I just took 2 Zantac (ranitidine) 300 mg is that a Chance of over dose ?

No: This is not dangerous if only done once. Please try to say with recommended doses. ...Read more

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Is it okay to take rolaids in between my morning and nightly dose of Zantac (ranitidine) during pregnancy? Just taking Zantac (ranitidine) alone doesn't seem to work.

Is it okay to take rolaids in between my morning and nightly dose of Zantac (ranitidine) during pregnancy? Just taking Zantac (ranitidine) alone doesn't seem to work.

Depends...: What are you treating? If just indigestion, then antacids consumed 1 ; 3 hours after a meal and at bedtime may be helpful in the majority of patients, but may be too high a dose for a pregnant one. Don't know what your zantac (ranitidine) dose is either, ; perhaps with consent from your obstetrician this medication can be optimized. Stick with gerd diet and behavior restrictions (see prior healthtap answers. ...Read more

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My doctor prescribed me ranitidine 500mg for my acid reflux. One pill before bedtime. Is that dose too high? I was going to get Zantac 150mg instead.

Ranitidine dosage: Ranitidine/Zantac is the same drug. The former is the generic name. They come in 150mg and 300 mg pills. So it would be difficult to get 500 mg at a time. Call the doctor's office to clear up the confusion. ...Read more

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How long does it take for Zantac (ranitidine) 150 to completely leave your system? I took 1 dose 2 nights ago and am having abdominal pain and I'm very lightheaded

Get yourself checked: Zantac (ranitidine) 150 mg should leave your body in less than 24 hours. It should not case any of the symptoms that you are describing. You need to see a doctor for alternative explanation of your symptoms. ...Read more

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The max dose for Zantac (ranitidine) is 2 150mg pills/day, but my heart burn is terrible and i have already taken 2. Can i take a tagamet on top of those two?

I wouldn't.: If your pain is so severe and is not being quelled by two Zantac (H2 blocker), then I would question whether it is acid reflux. I'd go see a physician. However, you can also consider trial of a proton pump inhibitor like nexium (esomeprazole) instead to see if it helps. I still recommend you seeing your doc. ...Read more

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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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Is Zantac (ranitidine) an antihistamine?

Yes : There are now 4 types of histamine receptors. Zantac (ranitidine) acts on the h2 receptor resulting in blocking stomach acid thereby treating heartburn. Allergies are treated with h1 blocking type medications including claritin, (loratadine) zyrtec and allegra. Some medications have both actions to block both h1 and h2 receptor. For anaphylaxis, zantac can be added for it's effect on blood vessels. ...Read more

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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. Linda Callaghan
551 doctors shared insights

Zantac (Definition)

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


Dr. Chad Rudnick
3,157 doctors shared insights

Pediatrics (Definition)

Pediatrics is the branch of medicine that concerns ...Read more