Does low iron stores cause headaches?

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Veteran Member

Date Joined Jan 2006
Total Posts : 3129
   Posted 11/5/2007 2:49 PM (GMT -6)   
I have one of those hit by a 2x4 headaches for the first time in a while.  I think it may be due to low iron, but wanted to see what your experiences are.  I was taking daily iron, but stopped for a while becuase my gut and tush were pretty sore.  Now my head hurts.  Coincidence???
Dx'd '90 (emergency rupture), symptoms ignored long before that, '03 fistulas and bad flagyl reactions, B12 weekly, Pentasa [until I surrender to the bigger meds]
I'm riding on the escalator of life....

Elite Member

Date Joined Apr 2005
Total Posts : 14995
   Posted 11/5/2007 4:17 PM (GMT -6)   
I have low iron levels too, but I don't have any headaches. Now I am pretty tired most of the time, but no headaches. Sure hope you get this one under control soon.
Been living with Crohn's Disease for 32 years.  Currently on Asacol, Prilosec 60 mg, Estrace, Prinivil, Diltiazem, Percoset prn for pain and Calcium.  Resections in 2002 and 2005.  Recently diagnosed with Fibromyalgia and doing tests to see if I have Inflammatory Arthritis or AS.

Becoming undone
Veteran Member

Date Joined Jul 2007
Total Posts : 927
   Posted 11/5/2007 4:24 PM (GMT -6)   
Have you changed any other meds or supplements? Are you on a steroid? Caffiene? Sugar(it was Halloween a couple of days ago)?
I know that during my pred taper, I had headaches that could fell a herd of elephants. They would also last a couple of days. Was hoping for a hole in the head...might have felt better.
But to answer your question, Iron, nor its lack, gave me headaches.

Veteran Member

Date Joined Jan 2004
Total Posts : 598
   Posted 11/5/2007 6:33 PM (GMT -6)   
I've heard of headaches being a symptom of anemia
10 years, many tests, 3 gi doctors, Pentasa 1000mg 3x day
diovan, simvastatin and now trying good ol' zoloft

Dave D
Regular Member

Date Joined Aug 2005
Total Posts : 404
   Posted 11/5/2007 6:50 PM (GMT -6)   

While I am a self proclaimed expert on anemia, I have never had what I would call headaches from low hgb and empty iron stores.

Mostly it has been loss of stamina and fatigue. Although I must admit when I am REALLY down I get nausia from just being rung out.

Dave D

Retired male in late 60's. Perforated Colon in 92. Diagnosed as Ulcerative Colitis in 93. Uncontrolled flareup in 97 dictated J-pouch surgery. 04 Capsule endoscopy diagnosed as Crohns not UC. Emergency surgery in 05 to remove lodged camera capsule. Biopsies positively diagnosed Crohns at that time. 12/06 Unsucessfully tried Naltrexone(LDN). 2/07 developed scleritis of the eye, tearing and detaching the retina. Treated with high doses of Prednisone. 6/07 Eye is healing and currently taking Entocort counting on the residual (non-systemic portion) treating the eye. In October if eye is stabilized, will need cataract removal (obviously old steroid associated). Then surgey to the back of the eye to remove scare tissue caused by the detachment.  11/07 Started Remicade to try and reduce the ocular inflamation of the Scleritis since I have been requiring more and more Prednisone to keep the eye quiet.
Married with 4 grandkids.

Regular Member

Date Joined Sep 2006
Total Posts : 181
   Posted 11/5/2007 8:25 PM (GMT -6)   
Are you eating ice? It is a classic sign of anemia which can cause headaches. If you are not into ice are you drinking 6 -8 glasses of water a day? Those seem to be the causes for the headaces I get for weeks at a time.
want_2_be_well AKA Mel
32 year old Female
Diagnosed with CD 2006, had been ill off and on for over 10 years.
Also have seasonal allergies, milk allergy, and asthma.
CD Meds: Remicade every 8 weeks, Imuran 50 mg, Pentasa

Regular Member

Date Joined Mar 2007
Total Posts : 75
   Posted 11/6/2007 1:57 PM (GMT -6)   
When they finally realized that I was a true anemic, I had horrible headaches! I kept thinking it was sinuses or something. Then my dr finally ordered to have my iron checked...and it was really low. I ended up having 2 iron IV treatments...what a difference it made! I still have anemia, and feel tired alot, but not to the point where I was a year ago! Good luck, and maybe think about having your iron checked!
30 yr female
1995-Crohns disease (removal of the terminal illeum and Cecum-followed by resection)
on and off flare ups/inflammation
1998-Duodenal ulcers(bleed out 1998/2005-blood transfusion)
2006-Anemia ( 2 Iron IV treatments) 
meds-30mg prevacid, vitamin b12 and vitamin e

Veteran Member

Date Joined Mar 2006
Total Posts : 1034
   Posted 11/6/2007 8:32 PM (GMT -6)   
yes. this is from first hand knowledge cos i have been battling anemia for the past few months. when my hemoglobin is above 9 i am ok. when i start getting headaches and strong fatigue, then it is transfusion time.

dehydration can cause headaches too, but then so can a lot of things.
Crazy Harry

Crohn's since 1993 (17 yrs old then)
surgery in July '05 - removal of 2 inches at ileum and 8 inches of sigmoid colon (had fistula into bladder)
Nov '05 developed colonic inertia; July '06 told i needed ostomy surgery
began maker's diet in August '06 - now feeling the best ever with no symptoms of colonic inertia and i kept my colon
med free as of 10/31/07

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