Sea Lice!!!

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Knavey

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Was reading another forum and the topic came up so I thought I would post a rather interesting diagnosis for you all.

Last year my wife and I went with a buddy and his wife down to the Keys for a week of diving. He has his own boat down there, and that was the way to go...but that is another story.

I did not have a wetsuit, and he loaned me one of his spare skins for the week. About day 2, I noticed a slight itching in my forearm region and on my shins. Over the next several days, these areas broke out into full blown rashes...bumps, itching and all. We attributed it the first night to misquitoes, and after that to something that was in my skin suit.

Well, when we got back to Tampa, I went to my nurse practitioner, and she decided that it was sea lice! I was literally bathing in some sort of mixture of vinegar, ammonia and water (don't remember the specifics, except that it made me swear so much when I put the crap on that my wife made me do it outside) twice a day.

It didn't stop for a few more days, and only appeared to be aggrevated by the treatment, so my nurse referred me to a dermatologist. When I went in, he took one look at me and said Poison Ivy or Poison Oak.

No way...that stuff is NOT found on the reefs in the Keys as far as I know. But wait...I did clear out that overgrown compost heap the day before we left on the dive trip. It was left over from the people who owned the house before us, and I had just decided to clear the area out. Could I have gotten exposed to it then?

Well, proper treatment made the rashes disappear...and I have decided that you need to examine EVERY possibility before reaching a diagnosis. My nurse could only treat the symptoms and I had given her no indication that I could have been exposed to foliage that could do that to me.

Lesson learned...tell them everything! Oh, and she was SOOO very disappointed that she couldn't tell everyone that her patient had sea lice. Go figure!
 
Interesting tale.

Another item that can be learned from your experience has to do with treatment when one actually does have seabather's eruption (SBE; "sea lice"): Repeatedly using a mixture of vinegar, ammonia & water days after the rash has appeared is both ineffective & inappropriate.

To be beneficial, the application of vinegar or ammonia containing compounds must occur immediately after the diver becomes aware that s/he has been stung. This action is designed to deactivate the toxin. Using such substances days after the rash is already fulminant indeed could aggravate the condition.

Best regards.

DocVikingo
 
DocVikingo once bubbled...


To be beneficial, the application of vinegar or ammonia containing compounds must occur immediately after the diver becomes aware that s/he has been stung. This action is designed to deactivate the toxin. Using such substances days after the rash is already fulminant indeed could aggravate the condition.

Best regards.

DocVikingo

Aggravate the condition is an understatement. It burned like FIRE! I was not a pleasent person to be around when I was putting that stuff on.

Oh well, she may have misdiagnosed that one, but overall she is one of the better docs I have had.
 
Knavey,
Your rash very well may have been poison ivy/oak, but I've seen a case of sea lice first hand in the Keys. We were down there a few years ago with two other families, and one of the women got a terrible case of sea lice after a day of diving. None of us were wearing wet suits or skins, as it was in July and the water was quite warm. She hadn't been anywhere near poison ivy/oak and her doctor determined it must be sea lice. I've never seen any rash look that bad. She really suffered.
 
I was mentioning on another posting that I had a rash but I didn't know what it was from. Like you, I first thought it was from mosquitos, then I thought it was from the sun, then I though it could of been the dive, then I thought it was the shellfish I ate, then I thought some plant (ie. poison ivy or something) that I may have touched. I never received a rash before so I didn't know what to think. It lasted a week for me without doing anything other than applying topical creams that didn't work. It was VERY itchy but I kept trying to refrain from scratching so it would go away for a while then come back. I had many visual little bumps but no blisters or anything very obvious. I was away so I didn't get a chance to show my doc. I'm upset with that because I would love to know what it was. What does sea lice rash look like? Are there mild cases verses serious ones like the one described by nolediver? Because mine just did not look that bad. It felt worse than it looked.
 
Here are some fast facts regarding Poison Ivy/Oak that I found from the reading I did last year when I got into some Poison Ivy for the first time at the age of 32:

Urushiol Oil (the "poison") is Potent
--> Only 1 nanogram (billionth of a gram) needed to cause rash
--> Average is 100 nanograms for most people
--> 1/4 ounce of urushiol is all that is needed to cause a rash in every person on earth
--> 500 people could itch from the amount covering the head of a pin
--> Specimens of urushiol several centuries old have found to cause dermatitis in sensitive people.
--> 1 to 5 years is normal for urushiol oil to stay active on any surface including dead plants

Tom
 
Why did you go to a nurse practicioner instead of a Dr in the first place? Insurance requirement or something?

I'm also suprised she ever heard of Sea Lice. Did you suggest it to her?
 
Mgri - I actually had found that site as well when I did a search. Although, I did swim by a jellyfish that looked exactly like the picture, my rash looked nothing like the picture they had.
I also read other sea lice rash postings and it didn't sound like it. That's why I've been very skeptical about it being due to sea lice. My rash was not very visual, not blotchy or spotty nor was there any lesions or blisters. It was truly a mild case of something - just many little bumps. They weren't even really red unless I scratched it.

:huh: I guess I will not know for sure unless it occurs again. During the summer I will eventually learn if I developed an allergic reaction to the sun but if not, it most likely was due to something in the water. I guess I was lucky that it wasn't so bad.
 

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