When should I call my care team?

Chest pain, or trouble breathing at rest; Fainting, or feeling like you will pass out; Black, sticky, tar-like stools, or red blood in your stool; Vomiting blood or material that looks like coffee grounds; Very heavy bleeding, such as soaking a pad or tampon every hour for several hours; A racing or pounding heartbeat that does not settle with rest; Feeling much weaker, dizzier, or paler than usual; Swelling of the face or lips, wheezing, or trouble breathing during or after an IV iron infusion; New numbness, tingling, or trouble walking (possible low B12); If it feels very bad, call 911.

What chemotherapy plans are used for anemia and iron deficiency?

Common treatment plans include ATG and cyclosporine. Your care team picks the plan that fits your cancer and your health.

Anemia and iron deficiency

Anemia means having too few healthy red blood cells, and once the cause is found, most kinds, like iron deficiency, can be treated well.

Hi, I'm Rosa. Today we'll go through anemia together, one step at a time. I'll keep it simple, and you can pause me, go back, or skip ahead whenever you like. Just so you know, this is for learning only. It is not medical advice, so please check everything with your own doctor and care team. Okay, let's get started.

What anemia is

Let's start with the basics. Anemia means your blood has fewer healthy red blood cells. Or it has less hemoglobin. Hemoglobin carries oxygen around your body. When it is low, your body gets less oxygen. Anemia is not cancer. It is a sign that something else is going on. So finding the cause is the key step. The most common cause is low iron. Anemia can make you feel tired, weak, or short of breath. Most causes are common and treatable.

Common kinds of anemia

Let's talk briefly about the types. Iron deficiency anemia is the most common kind. The body runs low on iron. Low vitamin B12 can also cause anemia. It can affect your nerves too. Low folate is another vitamin cause. Long term illness can cause anemia by locking iron away. Kidney disease can cause it too. Blood loss can cause it, fast or slow. In some kinds, red cells break down too fast. Some people are born with blood conditions. Your care team will tell you which kind you have.

Tests you may have

Now let's talk about tests. A complete blood count measures your hemoglobin. It also shows the size of your red cells. A ferritin test shows how much iron you have stored. Other iron tests show how much iron is moving in your blood. Tests for vitamin B12 and folate check those vitamins. A camera test of the bowel or stomach can look for hidden bleeding. A blood test can check for celiac disease. A blood smear looks at your cells under a microscope.

How serious it is

Next up, let's talk about how serious anemia is. Doctors may call it mild, moderate, or severe. Why do they do this? It helps your care team plan treatment. It also helps everyone talk the same language. But how you feel matters just as much. So does how fast it came on. Anemia that comes on slowly is often handled well by the body. The cause matters most of all. Your doctor will explain what your results mean for you.

Lab tests to know

Before we move to treatment, there are some things to know. A few lab numbers help your care team. They show what kind of anemia you have. They also show if treatment is working. Each number has a different role. Hemoglobin is the main number. Ferritin is like your iron savings account. Normal ranges vary a bit between labs. Your doctor will tell you what your own results mean. You can read more in the guide. The Questions to ask page can help too.

Main treatment options

Now let's look at treatment. The most important part is finding and fixing the cause. Iron pills are the first choice for most people. They work best on an empty stomach. Iron can also be given through a vein. That works faster. Vitamin B12 can be given as shots or pills. Folate is given as a pill. A blood transfusion is used for severe anemia. Iron rich foods help too. Clinical trials are research studies that may offer new options. Ask your care team.

Side effects and what helps

Let's talk about side effects. Iron pills can upset your stomach. Taking them every other day can help. Talk to your care team before stopping. Iron often causes constipation. Fluids, fiber, and staying active help. Iron turns stool dark. That is expected. But black, sticky stools can mean bleeding. Iron through a vein can cause aches for a day or two. Tell the nurse right away if you feel unwell. We have a whole side effects guide on this site.

Living well with it

Last, let's talk about living well. Most people feel better within a few weeks of the right treatment. Keep taking your treatment as long as advised. Follow up blood tests show if it is working. The cause can come back, so ask how often to check. Eat a balanced diet with iron rich foods. Keep iron pills away from children. Call right away for chest pain or trouble breathing at rest. Also call if you faint. Call for black, tar like stools. If it feels very bad, call 911. Also see our new Screening, prevention and survivorship section.

You did great today. That was a lot, and you took it one step at a time. Write down your questions and bring them to your next visit. Call your care team any time something worries you. You are not alone in this.

Call your care team right away if you have

Chest pain, or trouble breathing at rest
Fainting, or feeling like you will pass out
Black, sticky, tar-like stools, or red blood in your stool
Vomiting blood or material that looks like coffee grounds
Very heavy bleeding, such as soaking a pad or tampon every hour for several hours
A racing or pounding heartbeat that does not settle with rest
Feeling much weaker, dizzier, or paler than usual
Swelling of the face or lips, wheezing, or trouble breathing during or after an IV iron infusion
New numbness, tingling, or trouble walking (possible low B12)
If it feels very bad, call 911.

Treatment plans (regimens)

ATG and cyclosporine

Medicines often used

Side effects: what helps

Sources

Quick answers

What is anemia and iron deficiency?: Anemia means your blood has fewer healthy red blood cells than normal, or less hemoglobin. Hemoglobin is the protein inside red blood cells that carries oxygen from your lungs to the rest of your body. When it is low, your body gets less oxygen. Anemia is not a disease by itself. It is a sign that something else is going on. So the most important step is finding out why it is happening. Anemia is not cancer, and most causes are common and treatable.
When should I call my care team?: Chest pain, or trouble breathing at rest; Fainting, or feeling like you will pass out; Black, sticky, tar-like stools, or red blood in your stool; Vomiting blood or material that looks like coffee grounds; Very heavy bleeding, such as soaking a pad or tampon every hour for several hours; A racing or pounding heartbeat that does not settle with rest; Feeling much weaker, dizzier, or paler than usual; Swelling of the face or lips, wheezing, or trouble breathing during or after an IV iron infusion; New numbness, tingling, or trouble walking (possible low B12); If it feels very bad, call 911.
What chemotherapy plans are used for anemia and iron deficiency?: Common treatment plans include ATG and cyclosporine. Your care team picks the plan that fits your cancer and your health.

Last updated: 2026-10-27. Medically reviewed by Veli Bakalov, MD, medical oncologist (October 2026). General education from Step by Step, the patient portal of HemeOncBuddy.