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Foul smell during radiation

abdulrauf_hafeez
Posts: 11
Joined: May 2009

I am in my first week of treatment for Stage II nasopharynx cancer. Everytime during IMRT radiation, I notice a pungent and foul odor. I haven't smelled it before, however, I can best describe it as trash / burning blood. I have asked the docs and the attendants about it. I haven't gotton any reasonable explanation. The attendants told me that some people do complain about an odor. I wanted to see if other people on this forum had a similar experience. The odor is so strong that it makes me uncomfortable and sometimes nauseous. It is usually the strongest right after the machine makes an initial noise. It subsides afterwards. I try to breathe out during the time and end up hyperventillating. What I'll like to know is that if the smell will go away after a few treatments (or perhaps my sense of smell will go) and if there is something I can do to avoid it. Thanks.

SIRENAF42's picture
SIRENAF42
Posts: 204
Joined: Oct 2008

I only noticed a smell when the treatment first began. It reminded me of chlorox. Never smelt anything more that that.

jejrdn
Posts: 28
Joined: Jan 2009

I too noticed a strong smell as the machine kicked off. I also think it smelled like a chlorine/burning sulfur. It subsided after about 10 to 20 seconds. I just took a breath and held it when the machine took off and then slowly let my breath out. By the time I did that it was pretty much gone. I asked the radiologist about it and he did some research and found that some people report an odor and some do not but there is no definitive reason why. Some people just have a more sensitive sense of smell that picks up on it. I had 33 treatments and each one started off with the smell. I actually got used to the smell after some treatments that it didn't bother me too much. Good luck and I hope this helps.

abdulrauf_hafeez
Posts: 11
Joined: May 2009

Thanks for your comments guys. Now that you mentioned it, it does smell like clorox (but very strong). I smell it everytime the machine kicks off which is 7-8 times per treatment. Perhaps I should try nose plugs.

azrith
Posts: 1
Joined: Sep 2009

I also experience the exact same thing. Once the treatment kicks on I smell something I could relate to a chlorox smell. I've been holding my breathe the first several seconds too and it seems to go away. I asked my Dr. about it and was told they are not taught anything about it in school because we aren't supposed to smell anything. She said around 1/100 of her patients complain of a smell. Maybe we just have a sensitive sense of smell. I swear I could smell a chemical when receiving chemo but my GF would try to smell it and couldn't. Anyway just thought I'd share my experience.

RedE2NJoy's picture
RedE2NJoy
Posts: 20
Joined: Aug 2009

Just reading your entries and realized it might very well be the same smell I caught at the very start of radiation. My techs told me the startup triggers an ozone smell for about half of the patients at the treatment center I used. Definately didn't get used to the smell, just learned to listen to the machine and then hold my breath for 10-15 seconds at the right time.

Skiffin16's picture
Skiffin16
Posts: 8103
Joined: Sep 2009

I agree with RedE2NJoy, it smells very much like Ozone. The industry that I work has machines that produce Ozone and the odor smells identical.

I also got used to the timing and sounds of the machine and just didn't breathe for those few seconds that I knew the odor always seemed to occur.

I also asked the techs and told them of the ozone smell, but they didn't really understand I feel. They did say that other patients would occasionally speak of the odor.

inkmathematics
Posts: 1
Joined: Sep 2009

I asked one of the radiation therapy techs about the smell and the purple/blue light. I've experienced both whenever I've had an x-ray taken. He said that few people have either, but it is due to a slight stimulation of the olfactory sensors.
I couldn't relate the smell to anything, but bleach is a good comparison. It hits me way up in my sinus area.
One treatment down, thirty three to go.

Dazey
Posts: 86
Joined: Sep 2009

I also have one treatment down and looking to get this countdown over. I did not smell anything during the treatment. I am just glad that the tech talks to me and has prepared me to sounds to expect etc. Keep a positive view ahead and the time will pass - no matter what, December will arrive as scheduled ready or not. Good thoughts are going your way from a fellow traveler on this path. Dazey

Hondo's picture
Hondo
Posts: 5927
Joined: Apr 2009

I asked my Oncology about the smell and taste and he told me that there was no medical explanation for it. After a little research I was told it was due to the minerals in the blood passing by the radiation beam in the nasal passageway. I am not sure but I am glad it did not last long.

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