Feeling Dizzy

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Hi,

I'm now 10 weeks post radiotherapy (no chemo) and for the last couple of weeks I've been feeling dizzy. It's worst when I stand up (I've fallen over once after doing this) but it does continue slightly when I move around. Is this a known side effect of radiotherapy? Anybody else had it / how long did it last?

Best regards,

John

(base of tongue cancer)

  • Hi  

    Yes it’s common. How’s your blood pressure? Are you drinking lots? You should be about due for a review so I would definitely mention it. If not contact your CNS to be safe. 

    Dani 

    Base of tongue cancer. T2N0M0 6 weeks Radiotherapy finished January 2019

    I BLOGGED MY TREATMENT 

    Macmillan Support Line -  0808 808 00 00 7 days a week between 8am-8pm

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  • Hi,

    Thanks for your reply. Blood pressure is good at 110/60 and heart rate at 70bpm. Interesting point about drinking as I get about 1.5 litres a day. I'll try and put that up to 2 - 2.5 a day. I have a meeting with the consultant in a few weeks so I'll discuss it then if there's been no improvement.

    John

  • Hi  try ti drink a bit more I was 2-3 litres each and every day. Light headedness is fairly common but do ask or contact your cns. 
    Hazel 

    Hazel aka RadioactiveRaz 

    My blog is www.radioactiveraz.wordpress.com  HPV 16+ tonsil cancer Now  6 years  post treatment. 35 radiotherapy 2 chemo T2N2NM.Happily getting on with living always happy to help

    2 videos I’ve been involved with raising awareness of HNC and HPV cancers 

    https://www.instagram.com/merckhealthcare/reel/DBs8Y0niJ8N/

  • Hi John

    I also suffered from dizziness during and after my radiotherapy for a while. I used to make sure that when I stood up I counted to 20 before moving or I would get very dizzy. It is postural hypotension and occurs when putting your head down for example when picking something up from the floor or standing up and moving off quickly as the blood pressure is a bit low at that time and takes a while for the blood to get where it is supposed to be. It only occurs sometimes so when your B.P. is taken it can be quite normal. Also dehydration can make it worse hence the need for plenty of fluid.

    I found it did improve over time but I had to take great care for a while as I didn't want to fall over and make my situation worse with a broken bone. It just gradually receded but I couldn't say how long that took. It was several months at least.

    Lyn

    Sophie66

  • Interested to read this thread as I always did get dizzy when I stood up - sometimes to the point if losing my vision for a moment, and twitching a bit! - it's called postural or orthostatic hypotension.  It seems worse since my treatment.  My BP used to be on the low side but it's normal now.  My partner tells me to eat more salt to raise blood pressure but I'm not keen on that.  Will try drinking more water & see if it helps. Another hint I was given is to clench your bum (glutes) when standing up as that helps to bring the blood pressure up - similar to what they tell you to do when giving blood.  

    Best wishes

    Catriona

    September 2022 aged 63 diagnosed with HPV associated SCC base of tongue T4 N2 M0. Chemo & radiotherapy for 6 weeks ending Nov 2022. Now over 2 years all clear. See my profile for longer story

  • It only occurs sometimes so when your B.P. is taken it can be quite normal.

      

    My sister in law, a retired nurse, says to take your BP sitting normally, lying down then again straight after getting up from lying down ( keep the cuff on) 

    Dani 

    Base of tongue cancer. T2N0M0 6 weeks Radiotherapy finished January 2019

    I BLOGGED MY TREATMENT 

    Macmillan Support Line -  0808 808 00 00 7 days a week between 8am-8pm

    Community Champion badge