Haemoglobin Heist: Anaemia as a Complication of IBD

Haemoglobin Heist: Anaemia as a Complication of IBD

By Zahraa Chorghay, Lisbon


I transformed into a vampire in a field of daffodils

their lips drooped aghast as I soaked in the blood

of another human

my body was consumed with insatiable hunger

a voracious appetite for haemoglobin and oxygen

for life

the first miracle of life is birth, the second is living 

with all its defiance of the inevitable

of death

Do you know where all my blood went when I showed up to my hospital’s emergency department (ER), my head pounding and tests showing anaemia so acute as if I’d just bled out? They patched me up — a needle inserted into my left antecubital area (inner elbow) to deliver a unit of blood, stat, and some iron too — but remained bewildered as to the cause. On a stretcher parked next to the nurse station, I stared up at the ceiling tile painted with five daffodils, feeling like absolute shit yet relieved at the thought that maybe when all this was done, I would finally be rid of the headaches that had haunted me continuously for over a month.

It’s always the same, believe it or not; “It’s always the Crohn’s, believe it or not,” I told the tired attending doctor. Then, I headed home after an eventful day spent in the ER. 

Anaemia is “the most common metabolic complication” of inflammatory bowel disease (IBD), defined as a haemoglobin level of less than 13 g/dL in men or 12 g/dL in non-pregnant women (Mahadea et al., 2021). Given that haemoglobin is the oxygen carrier within your red blood cells, individuals will have reduced blood oxygen levels in anaemia, underlying the following symptoms:

  • fatigue 

  • weakness

  • low blood pressure

  • shortness of breath, even at rest or with mild activities

  • rapid heart rate

  • numbness or tingling in your extremities

  • irritability

  • headaches

  • pale skin

  • slight fever

What makes anaemia particularly complicated in people with IBD is the susceptibility to blood loss, dehydration, malabsorption, and malnutrition from chronic intestinal bleeding, inflammation, and ulcerations. IBD symptoms such as chronic fatigue, along with side effects of medications or surgical procedures, can further mask symptoms that medical practitioners otherwise rely upon to diagnose anaemia. To demonstrate just how complicated it can be, over months, I gradually had all of the symptoms listed above, which I complained about to my family doctor (GP) a couple of times, yet my anaemia remained undiagnosed.

The decrease in haemoglobin levels seen in anaemia can arise from iron deficiency since iron is necessary for haemoglobin formation. To increase iron intake, you can consume iron-rich foods, such as red meat, eggs, legumes, and leafy green vegetables like spinach and kale (Mayo Clinic, accessed 2024). (Palak ghosht, anyone?) Iron supplements, either oral tablets or IV infusions, may also be administered to individuals with anaemia, but those can have adverse effects so dietary changes are preferred. 

Unfortunately, even people who consume sufficient iron can show low haemoglobin levels due to lack of absorption through a diseased or surgically excised gut in IBD, other deficiencies (e.g., of folic acid or vitamin B12), early destruction of red blood cells in hemolytic anaemia, inherited disorders like sickle cell disease or thalassemia, menorrhagia (excessive menstrual bleeding), or adverse effects of certain medications (Penn Medicine, accessed 2024). Depending on the aetiology of the anaemia, different treatment options can be pursued.

In case you’re wondering how anaemic you need to be for your suggested treatment to be a blood transfusion — a last resort option due to its well-documented adverse effects, including potentially immune rejection — I showed up to the ER with a haemoglobin level of just 4.2 g/dL. I can’t get over how I was still able to get through that month of continuous headaches and shortness of breath everytime I stepped out of the house, appearing relatively functional to everyone else, despite calamity looming within me, literally within my veins. The human body is marvelously resilient, subhanallah! Nevertheless, I hope that having read this piece, you will be more easily able to recognize these signs and symptoms of anaemia as well as to advocate for yourself in medical settings, preventing you from having to find out firsthand just how resilient your body can be.


Featured cover photo by Irina Iriser from Pexels.