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Doctor insights on: Zantac Overdose

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Dr. Sanjay Talati
609 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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Can you overdose on zantacs (ranitidine) after 4 hours of no side effects?

Can you overdose on zantacs (ranitidine) after 4 hours of no side effects?

Overdosing: I am always worried about questions like this from teenagers. I am worried because there seems to be a time when teens feel like harming themselves. If you are feeling suicidal please ask for help. If you cannot approach your parents then please get to an adult you trust. Your pediatrician may be a good choice. But, to the question, no this medication cannot cause over dose. ...Read more

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Can you have an overdose on zantac (ranitidine)?

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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How many tablets of Zantac (ranitidine) 150 does it take to overdose? Suppose to take two but took three instead

You : You are correct - the maximum dose of Zantac (ranitidine) is 300mg or 2 tablets. That being said, accidentally taking an extra one once should not be dangerous. If you have any specific concerns you can always call the poison control center toll free at 1-800- 222-1222. ...Read more

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Gave a 2 month old baby 4 ml of liquid Zantac (ranitidine) instead of .4 ml. Is that enough to be an overdose?

Gave a 2 month old baby 4 ml of liquid Zantac (ranitidine) instead of .4 ml.  Is that enough to be an overdose?

1 Time -No: Altho high, if not repeated and given proper time to wear off, that should not be a problem. Beswt to double check with your local poison control center. ...Read more

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I had an inflammation to my stomach & i was prescribed to Zantac (ranitidine) 150. My stomach stopped hurting, but i still take Zantac (ranitidine) twice a day. Can i overdose?

Yes, but..: You can, but not at the dose you're using. These meds are considered pretty safe which is why you see them over the counter. Be sure to keep your follow up with your doctor as instructed! ...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

Dr. Katharine Cox
522 doctors shared insights

Zantac (Definition)

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


Overdose (Definition)

When the maximum dose of medication ...Read more