Nausea and Vomiting/Expert Profile

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I will try to answer all questions about nausea, vomiting, and emetophobia. I know many ways of preventing vomiting (or bringing it on). I have not vomited in over 40 years.

Experience in the area

For over 19 years, I have answered questions about nausea, vomiting, and emetophobia on the internet. I wrote the Emetophobia FAQ (Frequently Asked Questions About Emetophobia) and the Vomiting FAQ (Frequently Asked Questions About Vomiting). I wrote the first website about emetophobia and started the first mailing list about emetophobia. Both are still in existence. I am moderator of the largest emetophobia site.


I have a bachelors degree in computer science. I have studied nausea, vomiting, and emetophobia for over 30 years and have read many scientific articles about everything from morning sickness to space sickness.

Past/Present Clients

I have helped thousands of people with questions about nausea, vomiting, and emetophobia, either directly or through my website.

What do you like about this subject?

I don't like nausea and vomiting at all, but I enjoy helping people with their questions about it. I like it when I can provide reassurance to someone or help them understand something they didn't know before.

What do you still hope to achieve/learn in this field?

I'd really like to learn more about how often the average person experiences nausea and vomiting. I don't think that's ever studied. I've read a lot of articles in medical journals about vomiting but none that say what the typical frequency is. The research I've done for my own website might be the most anyone knows about this question.

Something interesting about this subject that others may not know:

Pepto-Bismol is powerful enough at suppressing vomiting that it can counteract a small dose of syrup of ipecac (the drug that is often used to induce vomiting).

Something controversial or provocative about this subject

According to my research, 33 percent of people throw up often (three or more days a year); 40 percent of people throw up on one or two days a year; 25 percent of people vomit infrequently (not even once a year but at least once in five years); and 2 percent of people rarely, if ever, throw up (not even once in five years). More here:

Average Ratings

Recent Reviews from Users

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    K = Knowledgeability    C = Clarity of Response    P = Politeness
Kari03/01/15101010Hi, Yes, I vomited during my appendicitis .....
Dave11/28/12101010thnaks for the helpful response

Recent Answers from Gumdropper

2016-09-21 Why do vitamins cause nausea?:

Julia,    As I said in my original answer, some nausea is caused by agents acting directly on the brain (CTZ or vomiting center) and some is caused by irritation of the stomach.  Obviously, vitamin shots

2016-09-20 Why do vitamins cause nausea?:

Julia,    The brain is very receptive to chemicals that cause vomiting.  There are two places in the brain that react to chemical nauseants:  The chemoreceptor trigger zone (CTZ) and the vomiting center

2015-07-13 Nausea only before I go to bed:

J,    I think you should see a doctor.  It could be connected to the state of not having anything in your stomach at bedtime.  It could also simply be a virus that has affected you the past three days

2015-07-09 Continuous vomiting and abdominal pain:

Sam,    Have her doctors ruled out gastroparesis?  Some people need to get a pacemaker for their stomachs to keep material moving the direction it's supposed to go.  I'd be surprised if they haven't considered

2015-06-30 Retching:

Alex,    It's OK if you insist.  Most of us who post these questions don't have a whole lot of experience with nausea, vomiting, and retching.  I don't either.  So we base what we know on the few times


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