side effects of metformin

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Greengal
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Date Joined Jan 2010
Total Posts : 66
   Posted 5/16/2011 10:39 AM (GMT -7)   
Hello friends,
i was on metformin for 1 yr but started having itchy rashes on my whole body after dose increased to 1000 XR TWICE A DAY.

The rash comes when in sun and does calm down after 6-7 hrs since started .This STABBING PAIN AND ITCHING IS VERY INTENSE and erratic .

DOES ANYONE else see PHOTOSENSITIVITY WHILE on metformin ,if so plz share.

LanieG
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   Posted 5/16/2011 12:40 PM (GMT -7)   
Hi Nat, I hope you have told your doctor about this side effect.  This is not a common reaction and might be serious, so I would inform him/her as soon as possible.
Lanie

diabetes moderator
diabetes type 2 controlled so far by diet and exercise
very low carb way of eating

Jim1969
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Date Joined Jul 2009
Total Posts : 2042
   Posted 5/16/2011 5:00 PM (GMT -7)   
Sounds similar to what happened to me when I was placed on that same dose.

I got a very itchy rash, but it was confined to my legs from the knee down. It was also painful to the touch. Also mine did not go away at all. It was constant, 24/7 and the only thing that stopped it for me was stopping the medication and then in about a month the rash went away. I don't know about light sensitivity on the rash as it was winter so my legs were never subjected to sunlight or even overly bright indoor light.

This happened several years ago and neither the doctors I had then nor the ones I have now really believe it was the Metformin that caused the rash. The would rather believe it was due to soap, laundry detergent, bug bites, just about anything other than that medication, even after I refused to take any more of it and the rash went away.
2 confirmed herniated lumbar discs. Spinal Arthritis. Spinal Stenosis, diabetic peripheral nueropathy.

Special DTK
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Date Joined May 2011
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   Posted 5/19/2011 9:19 AM (GMT -7)   
yeah  Hello,
 
I was placed on Metformin about 4 years ago and I have developed a rash under the breast and also on my legs where the elastic from my undergarments seem to irratate it the rash that much more.  I never thought about the fact that it could be an allergic reaction to Metformin.  I know that it can't be detergent, etc. since I have not changed any of those items in years.  Perhaps it took awhile for the Metformin to build up in my body.  Thanks for the helpful information!  I will be calling my PGP during the next class break at school.
 
 
Many, Many Thanks and God Bless!
 
Special DTK
 
 

Jeannie143
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   Posted 5/29/2011 11:43 PM (GMT -7)   
Rashes should be diagnosed by a dermatologist. You could be having latex reactions to your underwear and if this is the case it could be serious. Please check into it. My daughter is severely allergic to latex and it causes problems with rye and avocados as well... (Yes, allergies are weird!)
~ Jeannie
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dwn1935
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Date Joined Jun 2011
Total Posts : 3
   Posted 6/13/2011 7:10 AM (GMT -7)   
Hi,
     I'm new here and just reading everything about Type 2 diabetes.  I also have those itchy rash spots.  And they do get much worse in the sun.  I never thought about the possibility of it being caused by Metformin.  Been taking 500mg for several years and recently went up to 1000.  I'm going to talk to the Dr about this.  Thanks. 

Jim1969
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Date Joined Jul 2009
Total Posts : 2042
   Posted 6/13/2011 11:35 AM (GMT -7)   
Just because something has happened to one person does not mean it will happen to another person.

I should note that I stayed on the Metformin for a time while eliminating other possible causes. I even tried washing my clothes in a few different dye free and allergen control type detergents and soaps and also change the type of bath soap I used, etc even though the ones I had been using I had used for 20 years or more in the off chance that something in body chemistry had changed as a result of just getting older, my health, or the medications I was taking.

I also had my rash looked at by dermatologist and consulted with a doctor who specialized in allergies as well.

It was only through the process of elimination, and after consulting with different doctors who ended up with no ideas at all, that I determined it had to be the metformin.
2 confirmed herniated lumbar discs. Spinal Arthritis. Spinal Stenosis, diabetic peripheral nueropathy.

THE HAPPY TURTLE
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Date Joined Mar 2009
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   Posted 6/14/2011 1:53 AM (GMT -7)   
just the standard diarroeah from time to time. have diabetic sores that are been treated with aqueous cream (olive oil extract). metformin 1000mg x 3.
take care everyone, jamie
SCHIZO-AFFECTIVE DISORDER, EMOTIONALLY UNSTABLE PERSONALITY DISORDER, BORDERLINE TYPE -AXIS 2 , RAPID CYCLING BI-POLAR DISORDER

REMEMBER TO LOVE YOU. BE YOU AND BE TRUE.

dwn1935
New Member


Date Joined Jun 2011
Total Posts : 3
   Posted 6/18/2011 4:28 AM (GMT -7)   
I've been taking Metaformin for 3 years now and have been troubled with a hives situation where several spots are terribly itchy. It was much worse when I was in the sun for the day. I too attributed it to various other reasons. I just started Januvia in conjunction with the Metaformin and the situation has increased dramatically. I'm thinking of suggesting the doctor to eliminate the Januvia. My Haic is only 5.5. I wonder if I can just quit both of them for a while.

LanieG
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Date Joined Nov 2006
Total Posts : 3969
   Posted 6/18/2011 5:47 AM (GMT -7)   
Welcome to the Forum, dwn1935.  Please talk to your doctor about this.  It may or may not be related to the diabetes meds.  Your doctor needs to know about what's happening.
Lanie

diabetes moderator
diabetes type 2 controlled so far by diet and exercise
very low carb way of eating

Photoladybug
New Member


Date Joined Jun 2012
Total Posts : 1
   Posted 6/30/2012 5:03 PM (GMT -7)   
Hi, I also have the problem with Metformin. My problem did not start until I was increased to 1000mg 2xs day. I also have the same problem at 1000mg a day. My rash on my back stomach and primarily top of my legs. The doctor did classify it as a Metformin allergy and verified with the allergy pictures whatever that they use. When I was not taking as much Metformin bcz my sugar lowered, the rash cleared. Now that I am taking it again, the rash is back and worse. My medicine was changed to Glyberide, and the rash continues, but it appears that the two are similar. I don't see the sunlight as a factor because the first time I had it was in the winter, and not hot. Still looking for a better option. Good Luck to ALL!

Kaely
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Date Joined May 2012
Total Posts : 619
   Posted 7/1/2012 9:09 PM (GMT -7)   
I haven't run into this rash problem but I'm on half a pill a day. So only 250 mg because my body doesn't like Metformin AT ALL. I get a lot of pain in my arms and legs at a higher dose.
Chronic pain, Depression, Fibromyalgia, Tennis Elbow (both arms), Arthritis (knees and fingers), Diabetes. Ruptured disk L-4, Severe degenerative damage L5-S1, ACDF C5-C6

crumbcake
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Date Joined Jun 2012
Total Posts : 9
   Posted 7/3/2012 3:23 PM (GMT -7)   
It's been a while since their post, but I thought it might be helpful to them still and to any others with similar problems. 
 
Concerning a rash under the breast and around legs where underware elastic goes, I've had a similar problem off and on since diagnosed w/ diabetes.  It was not an allergy but actually a fungus which had developed.  It was annoying and painful.  Nothing got rid of it.  My doctor (general and dermatologist) both prescribed Zeasorb power with Miconazole Nitrate 2%.  There is a Zeasorb powder without the antifungal, but don't mistakenly get it because it won't really help.  You have to kill the fungus and then keep the area dry. 
 
They say this can commonly happen to diabetics because our defenses are not really strong enough to ward off the fungus.

JGriffin
Regular Member


Date Joined Jan 2006
Total Posts : 100
   Posted 7/3/2012 4:14 PM (GMT -7)   
That rash can also be an allergic reaction to latex which should be checked into because of the procedures in doctors' offices and hospitals that use latex gloves, etc. Washing the clothing and bleaching it to get rid of fungus or viruses also creates a reaction with the latex and causes it to irritate even more. When you begin having signs of the rash where latex touches, buy new underwear that has cloth binding over the latex area. This will keep the latex off your skin. And you should note a latex sensitivity on your medical charts along with your other allergic reactions to be safe.

RosieA
Regular Member


Date Joined May 2012
Total Posts : 24
   Posted 7/4/2012 10:01 AM (GMT -7)   
I never got a rash but had stomach issues to the point I asked to be taken off it.

My stomach felt bloated and I had major pain and nausea.

Never had a rash though.

worriedgirl
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Date Joined Apr 2009
Total Posts : 1044
   Posted 7/5/2012 6:35 AM (GMT -7)   
i have a rash on my stomach that i get when its hot. i know it is the metformin but mines not to bad it comes and goes depending on the heat
"No one really dies because they have loved. Because they love they stay in the hearts of the people they have touched so in that their memory lives on." Ghost whisperer-i know corny but this touched me deep down and i see so much truth in it.
ADD-diagnosed 2010
Diabetes- diagnosed 3-29-2012. only using low fat and low carb diet and metformin 500 mg a day. half at lunch and half at dinner

GADUTCHESS
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Date Joined May 2014
Total Posts : 1
   Posted 5/29/2014 3:07 PM (GMT -7)   
I got the same very itch rash. My metformin was increased to 1000(x2s)daily by my new MD. I had been on 500mg since 2010 by my old MD. Days after starting with this new dosage a rash broke out all over 1st with my legs, next face & arms and now its all over my body, stomach etc. very itchy and painful. Thanks to read some of you guys posts I now know what it is. Went to the my doctor today (5/29/14) and she had no idea what causes it. She thought I had the scabies.. Really! confused

Judy2
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Date Joined Mar 2003
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   Posted 5/29/2014 3:37 PM (GMT -7)   
I did get a dry rash when I first started Metformin. My doctor recommended watching it, as it wasn't a published side effect of Metformin. It went away after a couple of weeks in my case, and has never come back.
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Jim61938
Regular Member


Date Joined Apr 2014
Total Posts : 228
   Posted 5/30/2014 8:55 AM (GMT -7)   
For what it is worth I got the rash that would not go away along with stomach and bowel issues after having my metformin increased. Was taken off it and everything cleared up in about a week. My doctor at that time to me to start listing it as an allergy.

Sam3870
New Member


Date Joined Jul 2014
Total Posts : 1
   Posted 7/12/2014 7:04 AM (GMT -7)   
GADUTCHESS said...
it isn't scabies. I also recently had mine increased to 1000mg twice a day, and developed a rash that worsened in the sun. It is a side effect from the higher dose.

LanieG
Forum Moderator


Date Joined Nov 2006
Total Posts : 3969
   Posted 7/12/2014 6:02 PM (GMT -7)   
Welcome to HealingWell, Sam3870. How is the rash now? Are you still on the increased dosage?
Lanie

diabetes moderator
diabetes type 2 controlled by diet and exercise and
metformin
very low carb way of eating

dadofashton
New Member


Date Joined Oct 2014
Total Posts : 1
   Posted 10/29/2014 4:42 AM (GMT -7)   
I am also on metformin, along with glipizide and byette. Although me a1c and blood sugar in general are doing great, I also have a rash.

Mine started before the change to glipizide and the addition of byetta. However, mine seems to be quite different from what I'm reading here. My first issue began more than a year ago with very itchy scrotum. The itching was intense, especially when I stood up and got fresh air to that region. Because I drive a cab in Florida, I just attributed it to everyday jock itch and treated with otc meds, and the itching subsided...some.

I also thought it could have been from laundry detergents etc, but the itchy was localized.

A few months later I started itching in various locations. Just a minor itch here and there, didn't think much about it until one day I was having lunch with some friends and they started asking if I was Ok. Evidently I was constantly scratching various spots. Just minor scratching, but pretty much non stop.

Then I started developing rashes. Primarily on my left hand and arm,, areas that get more sun because I'm a smoker and that arm is out of the window often. The dermatologist checked me out (thankfully as the found and removed a couple non related pre cancer spots) and told me to wear sunblock, that it was most likely a sun reaction because of some medicine.

I treated with antihistamines, anti itch creams and antibiotic creams... the rashes went away. Then a month or so later I developed a small bump in the palm of my hand. Within a week I had sores on the palm and fingers (mostly in areas not prone to sun exposure) a wide spread rash on my calve and a few other locations. ...staph infection!

Several shots and pills later it cleared up. ...mostly. ...but now it's coming back. The dermatologists are perplexed, its not mrsa, most all of the rashes are in area that are not typically covered with clothes only a small portion of the area are constantly exposed to the sun... and the scrotal itching is back. I keep insisting is got to be a reaction to one of the meds I'm on, even though the rash isn't widespread. The weird part is its primarily on the left side. No pain, just rashes and itching.

LanieG
Forum Moderator


Date Joined Nov 2006
Total Posts : 3969
   Posted 10/29/2014 7:14 AM (GMT -7)   
Welcome to HealingWell, dadofashton. What has your primary doctor told you? If this might be related to metformin or any medication, then I would think they would change or stop that medication to see if the rash clears up.

Have you been tested for food allergies?
Lanie

diabetes moderator
diabetes type 2 controlled by diet and exercise and
metformin
very low carb way of eating
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