General Medicine
Question #8990
23 days ago
70,932

function of blood - #8990

Anonymously

Lately, I’ve been feeling more fatigued than usual, and I’m starting to get concerned. I’m 38, and in the past few weeks, I’ve noticed that I get tired very easily, especially after doing everyday activities like grocery shopping or cleaning the house. I’ve also had trouble concentrating, and sometimes I feel light-headed or dizzy when I stand up quickly. I went to my doctor, and after running a few tests, they said my hemoglobin levels are a little low and recommended that I take iron supplements. I’m not sure what this means for my overall health, so I’ve been reading a lot about the function of blood to try and understand better. From what I’ve gathered, the function of blood is much more than just delivering oxygen to our tissues—it’s involved in so many processes in the body, like nutrient transport, immune system support, and waste removal. I didn’t realize how critical it is for maintaining energy levels. My doctor didn’t go into much detail about how my low hemoglobin might affect the function of blood, so I’m wondering if this could be the reason I’m feeling so tired and dizzy. Does low hemoglobin mean my blood isn’t transporting oxygen properly, which could be why I’m feeling exhausted all the time? I’ve also been wondering how exactly the function of blood is linked to the symptoms I’m experiencing. If my blood isn’t carrying enough oxygen, does that affect how my body functions throughout the day? I’ve heard that iron is crucial for the blood to work well, so I’m hoping that taking supplements will help, but I’m still unsure about how long it’ll take before I start feeling better. How long should I expect to take iron supplements before I see a real difference in my energy levels? Additionally, I’ve read that a variety of factors can affect the function of blood, like diet, stress, and other underlying health conditions. Should I be making any dietary changes to improve the function of blood in addition to taking iron supplements? I’ve heard about foods that can help with iron absorption, like vitamin C-rich fruits, but should I also avoid certain foods that might interfere with iron absorption, like dairy or caffeine? Lastly, I’ve been wondering if this could be a sign of a larger problem, like anemia or something else affecting the function of blood. If my iron levels don’t improve with the supplements, should I be concerned that there might be another underlying condition at play? I just want to make sure I’m doing everything I can to support my blood health and get back to feeling my best.

Function of blood
Low hemoglobin
Iron deficiency
Blood health
Fatigue causes
Question is closed

On the Ask Doctors service, online consultations with doctors for General Medicine are available for any issue that concerns you. Expert doctors provide consultations around the clock and for free. Ask your question and get an answer right away!

Doctors’ responses

Dr. Evgeny Arsentev
I am a highly qualified medical professional with over 15 years of experience in General Medicine. My expertise spans diagnosing and treating a wide range of conditions, providing evidence-based care, and mentoring junior doctors. I am dedicated to ensuring patient well-being through a combination of clinical skills and compassionate care.
22 days ago
Your concerns about fatigue, dizziness, and low hemoglobin levels are valid and warrant clear understanding and action. Let's break down your situation based on the information you've shared and the evidence surrounding low hemoglobin and iron deficiency. Low hemoglobin levels can indeed lead to inadequate oxygen transport in your blood. This can result in symptoms like fatigue, dizziness (especially when standing up quickly), and difficulty concentrating. When hemoglobin is low, your body’s tissues may not receive enough oxygen, which typically manifests as reduced energy levels and increased fatigue during everyday activities. Taking iron supplements as recommended by your doctor is a critical step. Generally, the improvement in symptoms can vary based on individual response, but many people may begin to notice an improvement in energy levels after about 4 to 6 weeks of consistent iron supplementation. It's essential to follow the dosage as prescribed by your healthcare provider; for adults, this is typically between 50 to 200 mg of elemental iron daily, depending on the severity of the deficiency and individual needs. To further support your iron absorption and blood health, consider these dietary recommendations: 1. **Increase Iron-Rich Foods**: Focus on incorporating sources of heme iron (found in animal products) and non-heme iron (from plant sources). Good sources include lean meats, beans, lentils, tofu, spinach, and fortified cereals. 2. **Boost Vitamin C Intake**: Pair iron-rich foods with vitamin C-rich foods (like oranges, strawberries, bell peppers, and broccoli) to improve iron absorption. 3. **Be Mindful of Certain Foods**: Yes, some foods can inhibit iron absorption, particularly those high in calcium (such as dairy), phytates (found in whole grains), and tannins (found in tea and coffee). It's advisable to consume these at different times than your iron supplements or high-iron meals. 4. **Hydration and General Nutrition**: Adequate hydration and a balanced diet will support overall blood function and energy levels. Ensure you eat a variety of foods to get the necessary vitamins and minerals, including those involved in red blood cell production, such as vitamin B12 and folate. Regarding your concern about potential underlying conditions: if you do not notice improvement in your symptoms or if they worsen over time despite taking iron supplements, it would be prudent to follow up with your doctor for re-evaluation. They may consider additional testing to rule out other forms of anemia or underlying health issues that may be impacting your iron levels or overall blood health. In summary, continue taking your iron supplements as directed, enhance your diet with iron-rich and vitamin C-rich foods, and be mindful of foods that might inhibit absorption. If your symptoms persist or worsen, seek further medical evaluation to ensure there isn't a larger issue at play. It’s important to remain proactive about your health, and utilizing your healthcare provider as a resource will guide you towards the best outcomes.
Accepted response

0 replies

If you need a detailed answer, ask your question to a doctor

A doctor will answer all of your questions, advise you what to do now to get better, what to do in the future, what best treatments and practices should be followed.

About our doctors

Only qualified doctors who have confirmed the availability of medical education and other certificates of medical practice consult on our service.


Related questions