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Doctor insights on: Extreme Fatigue After Getting My Blood Drawn Is It Just In My Head

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Dr. Rita Corona
397 doctors shared insights

Exhaustion (Definition)

Exhaustion = depletion of energy which can occur ...Read more


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Extreme fatigue after getting my blood drawn. Is it just in my head?

Extreme fatigue after getting my blood drawn.  Is it just in my head?

No: Many people have this problem. It can be due to low iron stores-ferritin. Getting blood drawn decreases ferritin stores and can increase fatigue. Take iron if this is the problem. Others find that taking d ribose-a simple sugar only your body produces can help with this fatigue, this is great if low ferritin is not your problem. ...Read more

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Not food allergy/blood sugar related — -- get extreme fatigue/dry eye/soar throat abt 2 hours after eating meals- every meal.what is behind this?

Not food allergy/blood sugar related — -- get extreme fatigue/dry eye/soar throat abt 2 hours after eating meals- every meal.what is behind this?

System response: This does seem unusual. It may be that your system is becoming more cholinergic to foods. This means that there is an enhanced "fight or flight" response resulting in your symptoms. I would recommend smaller meals with simpler foods non-complex carbohydrates and simple proteins. Using simple antihistamines such as loratadine may be helpful if there is a histamine response to foods. I would also keep a food diary to determine if any foods or worse triggers and others. Deafly share this with your physician. ...Read more

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Had blood drawn at ER and my wbc was 14 and I'm to get it retested. My face is flushed and I'm so tired and dizzy. I don't feel sick though otherwise?

Had blood drawn at ER and my wbc was 14 and I'm to get it retested. My face is flushed and I'm so tired and dizzy. I don't feel sick though otherwise?

Too little info: Your other symptoms may be related to your red blood cells. You present too little info. Speak to your doc or call back with more info for further discussion. ...Read more

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My bottom lip is swollen and blistery when I have to go to the doctors to get it looked at, will I have to get blood drawn?

My bottom lip is swollen and blistery when I have to go to the doctors to get it looked at, will I have to get blood drawn?

Maybe: To be brave, act brave. Nobody likes having blood drawn, but there are a variety of ways to deal with the discomfort and fear. What's helped me is to think of the pain that others have borne on my behalf -- my mother in giving birth, perhaps a religious figure. Think of the health benefits and how you're being healthy will help those who you love. ...Read more

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I had blood drawn yesterday at 4 pm and I feel sick and light-headed. How long does this last?

I had blood drawn yesterday at 4 pm and I feel sick and light-headed. How long does this last?

Lightheaded: Sick feeling and lightheaded not likely to be related to the blood drawn. Sleep well, drink water. I usually recommend 1-2 boiled eggs (if no allergies to eggs) and if symptoms persist then check with your physician. Perhaps the answer is on the results of the blood test just done yesterday. Hope you feel better soon. ...Read more

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I feel groggy and dizzy/imbalanced feeling most of the day. I suffer from panic, is this just all in my head? Normal blood pressure and ah blood drawn

I feel groggy and dizzy/imbalanced feeling most of the day. I suffer from panic, is this just all in my head? Normal blood pressure and ah blood drawn

Groggy ; dizzy?: Feeling groggy and dizzy all day is not normal, and needs medical evaluation. You list no medications for your panic, but some of these can cause groggy feeling. Alternatively, untreated anxiety can lead to dizzy and shaky feelings as well. It's not "all in my head" -- your mind and body are not separate but are interwoven and affect each other. Please see your doctor for evaluation and help. ...Read more

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I feel groggy and dizzy/imbalanced feeling most of the day when standing. I suffer from panic, is this just all in my head? Normal blood pressure and ah blood drawn normal. Feel shaky too

I feel groggy and dizzy/imbalanced feeling most of the day when standing. I suffer from panic, is this just all in my head? Normal blood pressure and ah blood drawn normal. Feel shaky too

Groggy ; dizzy?: Feeling groggy and dizzy all day is not normal, and needs medical evaluation. You list no medications for your panic, but some of these can cause groggy feeling. Alternatively, untreated anxiety can lead to dizzy and shaky feelings as well. It's not "all in my head" -- your mind and body are not separate but are interwoven and affect each other. Please see your doctor for evaluation and help. ...Read more

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I'm 33 years old and lately I have been light-headed every day along with fatigue. I had my blood pressure checked from a nurse at work and it was 120 over 90. Should i be concerned if so what steps should I take to get it back to normal? Thx in advance.

I'm 33 years old and lately I have been light-headed every day along with fatigue. I had my blood pressure checked from a nurse at work and it was 120 over 90. Should i be concerned if so what steps should I take to get it back to normal? Thx in advance.

See physician: It is unusual to be lightheaded and have a borderline high blood pressure. Recommend getting several checks. Lab should be done to check for anemia or underactive thyroid. BP can be lowered by low salt diet, exercise and weight loss if overweight. For lightheadedness, drink more water. That said, many people with these symptoms have anxiety or depression, so give these possibilities some thought. ...Read more

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Blood Drawn Tuesday morning. Doc ordered several tests for fatigue and abd pain, all came back except for the CBC w/Diff & Platelet. Why delay??

Blood Drawn Tuesday morning.  Doc ordered several tests for fatigue and abd pain, all came back except for the CBC w/Diff & Platelet.  Why delay??

Manual diff: Diff may be done by the machine and those results are available along with other results. If your doctor ordered a manual diff, that requires additional time and may be the reason for the delay. ...Read more

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I have terry nails, fatigue and hair loss. I'm only 26, don't drink or take meds/drugs. Is this likely due to bad diet or should I get blood work done?

I have terry nails, fatigue and hair loss. I'm only 26, don't drink or take meds/drugs. Is this likely due to bad diet or should I get blood work done?

Terry?: I am not sure what terry nails are, but you could be describing some symptoms of low thyroid. I recommend a blood test to rule this out. ...Read more

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Was cleaning ear and removed a blood clot from my ear have a stiff neck and extreme upper and lower back pain and debilitated fatigue?

Was cleaning ear and removed a blood clot from my ear have a stiff neck and extreme upper and lower back pain and debilitated fatigue?

Possible meningitis: Rarely ear infection can penetrate into the skull and cause an abscess and meningitis, but considering your neck stiffness, neck pain and low back pain and fatigue I would recommend medical consultation. You should go to the emergency room. ...Read more

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Hair loss. Fatigue. Bald spots. Heavy period. Extreme cramps. Have had numerous blood tests done w/ no results. Been to doctor twice. What could be wrong?

Hair loss. Fatigue. Bald spots. Heavy period. Extreme cramps. Have had numerous blood tests done w/ no results. Been to doctor twice. What could be wrong?

Thyroid: These sounds like thyroid problems, but I'm going to assume that they checked that. It's hard to guess without knowning which tests you had that were negative. Autoimmune problems could cause as well. What type of doctor have you seen? Family or internal medicine? Obgyn? You may want to see a specialist like an internal medicine doctor or a rhematologist. Good luck! ...Read more

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Blood works shows out of range WBC (11.4), Lymphocytes (4.8), CRP (4.2). Extreme hairloss, fatigue, headaches, weightgain,recurrent eye infection, rash?

Blood works shows out of range WBC (11.4), Lymphocytes (4.8), CRP (4.2). Extreme hairloss, fatigue, headaches, weightgain,recurrent eye infection, rash?

Blood tests: There are a few diseases that leap out from blood tests. Most of the time, however, blood tests don't tell the doctor much on their own. These results fall into the second group, not very specific. You will want to see your doctor for a careful and complete history and physical. ...Read more

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I had blood drawn, was a large lump under my skin, 4 days later shows up as a Hematoma, its very painful and around the main vein any dangers?

Blood clotted: Blood clotted under the skin which is not a serious issue as these clots Don't travel. Applying heat over the area, if it is several days old, May help dissolve the clot. Sometimes it has to be removed by a small incision if the hematoma is persistent and problematic. ...Read more

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My arm swelled up after I had blood drawn. I understand the blood did not clot under the skin. Did my nurse fail to do her job adequately?

My arm swelled up after I had blood drawn.  I understand the blood did not clot under the skin. Did my nurse fail to do her job adequately?

Not necessarily: Most commonly it is the blood Seeps under the skin, thus causing the swelling form the needle site. Adequate pressure post phlebotomy is important, especially in a person like yourself who now has a history of this. Be sure to get a good "pressure bandage" placed on any draw site i the future. Other factors can worsen this for ex, Aspirin, blood thinners, or NSAID use prior to blood draws. ...Read more

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Nurse saliva landed on my skin area seconds before blood drawn, can HIV, HepB/C be transfer this way? Nurse said she is clean. Doc said no worries

Nurse saliva landed on my skin area seconds before blood drawn, can HIV, HepB/C be transfer this way? Nurse said she is clean. Doc said no worries

HIV cannot be: Transmitted through intact skin, only through mucous or intravenous contact with infected saliva, blood or ejaculate/vaginal fluid. Unless you had an open wound where the saliva landed, otherwise I would not be worried. Thanks for trusting in HealthTap. ...Read more

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I always feel very fatigued, light-headed, and overall sick after eating and have already been checked for low blood sugar. What could be wrong?

I always feel very fatigued, light-headed, and overall sick after eating and have already been checked for low blood sugar. What could be wrong?

Low cortisol: Low cortisol or weak adrenal function can produce these symptoms but usually does result in low blood sugar as well. Another potential cause is autonomic dysfunction. Lastly if you still have your gall bladder you may have atypical disease that needs investigating. ...Read more

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I always feel very fatigued, light-headed, and overall sick after eating and have already been checked for low blood sugar. What could be wrong?

I always feel very fatigued, light-headed, and overall sick after eating and have already been checked for low blood sugar. What could be wrong?

Low sugar: Your symptoms suggest blood sugar going up after high sugary foods & then coming down rapidly 1-2 hr later causing the symptoms of low blood sugar even though it is hard to document. ...Read more

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Fatigue, shooting pains (head), blurred vison, dizziness, chest pain, nausea, and dangerous blood sugar level(47). I exercise, and my diets very lite

Fatigue, shooting pains (head), blurred vison, dizziness, chest pain, nausea, and dangerous blood sugar level(47). I exercise, and my diets very lite

ER/UC clinic: Now- a blood sugar level of 47 can be life thretening. Call 911 or have someone else transport you to the hospital or clinic. Call 911- NOW! ...Read more

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I am losing large amounts of head hair, toenails falling off, many blood spots inside arms, fatigue and joint pain?

I am losing large amounts of head hair, toenails falling off, many blood spots inside arms, fatigue and joint pain?

You need to see a DR: For a comprehensive medical evaluation. Anything is possible — arthritis, thyroid disorder, blood disorder, autoimmune condition etc. Hope u feel better! ...Read more

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I have irregular period. Acne. Hair thinning. I got my blood drawn for estrogen level and they told me it was normal. How can I find out what's wrong?

I have irregular period. Acne. Hair thinning. I got my blood drawn for estrogen level and they told me it was normal. How can I find out what's wrong?

Complicated: It really sounds like you have something hormonal going on — I would recommend seeing an endocrinologist to check at least lh, fsh ratio for pcos, thyroid, free testosterone, and dheas. Also, if you are overweight, slowly reach ideal body weight as this will help balance things out. Also, eat organic foods — especially meats and veggies only. Tons or hormones are added to our food supply. ...Read more

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Have bad cough, head ache fatigue nauseas and my eyes are blood shot and eyelid swollen. What could this be?

Have bad cough, head ache fatigue nauseas and my eyes are blood shot and eyelid swollen. What could this be?

Headaches: This sounds like a secondary headache to either a bacterial or viral infection. You should see your physician to rule out infections. Hope this helps. ...Read more