Dentist & being hypo question

Hello all. I just saw a post about this from another's lady and wanted to clarify something please?

Should I tell the dentist I am hypothyroid so I get a different injection? Or is that just for hyper people.

I had a crown fitted last week and the dentist had to give me 3 injections as nothing went numb, and then another midway drilling as the pain was horrendous. When I came outi was shaking so much I had to sit in the car for about 20 mins before driving home. The numbness then didn't go away for nearly the whole evening and dinner was mainly not eaten/dribbled, haha.

The experience was most unpleasant. Should I mention the hypo thing? It never entered my head until I saw poppins post.

Thank you for any answers and advice. Wishing you well..

9 Replies

Firstly, if you are hypo, you should be avoiding mercury fillings, fluoride and root canals and crowns like the plaque. They all carry serious health risks. Find a holistic dentist who knows these things and will use non-toxic materials that do not aggravate your condition. Most hypo people have a degree of adrenal fatigue so it is best to avoid injections that contain adrenalin. If your dentist is mainstream, he won't care about any of this vital information and will probably disregard anything you say.

Hi, I have had amalgam fillings, crowns and root canal treatment with no problems. Dentist asks if on any medication so at least he seems aware of possible interactions. Good idea to tell him of illness and medications. I think ours has a health form which is updated annually so issues are noted on your records.

Me too, in fact I even had root canal work last year with no problems at all. The dentist, which ever one I see, always asks about health and any medication first. Even this past week when I didn't need to have work done, I had cracked a small plate I have had for about 25 years! and needed a new one because a repair was impossible. He still asked the questions.

100% you should tell your dentist.

Whether your dentist takes it on board or not is another matter. So be aware that it is likely a good idea to have injections without adrenalin. As I understand, the adrenalin helps to keep the anaesthetic itself in place - without it that can get "washed away" by blood flow through the affected area. Hence it doesn't last as well. In your case, sounds like that might have been a good thing, but sometimes it means additional, top-up injections are required.


It's not pleasant if you have a reaction, in fact it is awful. Practically like one step from anaphylatic shock.

Thank you all for replying. I appreciate your time. I will put that on my record when I next go, although that experience frightened the life out of me so I don't think I'll be hurrying back.

I do have metal fillings and cannot afford to have them replaced, so they must stay until I have to have them naturally replaced when I hope I can afford to replace with the other sort.

Thank you again everyone for your responses.

I hate to think what a full set would cost, I am having a new plate which only has 2 teeth at the front and 1 tiny tooth at one fill a gap...and that small thing will cost me £306.00 when I eventually get it in a couple of weeks.

I have told my dentist I'm hypo, and he was grateful for the information, but said they use the 'safe' local anaesthetic for everyone in any case so that they avoid these sort of reactions.

Hi, I had an awful experience aswell after I had to have 3 injections. One of my teeth cracked in half and exposed the nerve. It was so painful that he couldn't even touch the tooth. He knew I was Hypo. After he had finished he said that I had a white patch on my cheek, and that it was nothing to worry about and would soon go. He said it was just the adrenalin in the injections. When I got to the car I also couldn't drive. I felt sick and very dizzy. This lasted about 5 days.

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