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Doctor insights on: Why Did My Vitamin D Levels Drop So Much After I Quit Smoking

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Does a sudden drop in vitamin d levels mean parathyroid problems?

Does a sudden drop in vitamin d levels mean parathyroid problems?

No: Vitamin d absorption depends on a lot of things. It is also affected by sun exposure. I always tell my patients to take additional supplement in the winter time when the sun may not be as strong. Also other things may interfere with the absorption. But I fo not feel it is indicative of a parathyroid problem. ...Read more

Dr. Heidi Fowler
853 Doctors shared insights

Quit Smoking (Definition)

Quitting smoking is the single most important decision smokers can make to improve their health. Preparing a quit-smoking plan and enlisting support from your doctor and your loved ones can greatly improve your chances of success. Your doctor can help you decide if over-the-counter or prescription medications can help. Pick a quit day a few weeks ahead and put it on your calendar. Plan how you're going deal with situations that make you want to smoke. Take advantage of support from family, friends, and co-workers, and consider joining a smoking cessation program so that you don't ...Read more


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Hi, my vitamin D levels are 17.9, the doctor says is very low. She recommend to take 1 vitamin d 10, 000 ui daily, is this the right ui that I need?

Hi, my vitamin D levels are 17.9, the doctor says is very low. She recommend to take 1 vitamin d 10, 000 ui daily, is this the right ui that I need?

Vitamin D: Your level is very low. Experts would like your vitamin D level to be between 50 and 80. Please do what your doctor says. She may likely lower the dose after testing again if your level improves. So, you need to let her continue to monitor your situation. Peace and good health. ...Read more

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I am currently taking 7000 ius of vitamin d/ day. I recently got my vitamin d levels tested and it came back as 85. Should I stay at the 7000 ius/day?

I am currently taking 7000 ius of vitamin d/ day. I recently got my vitamin d levels tested and it came back as 85. Should I stay at the 7000 ius/day?

Vitamin D: You need to confer with your physician about taking this amount of vitamin D every day. These levels of intake can be dangerous. There are various assays for the different forms of Vitamin D which you did not specify. ...Read more

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My Vitamin D levels are low (less than 8). What dietary and lifestyle changes should I make to improve?

My Vitamin D levels are low (less than 8). What dietary and lifestyle changes should I make to improve?

Diet, Vit. D & Sun: Vitamin D3 from a quality company; Load with 10, 000 IU for at least 4-6 weeks, then re-test.

FYI: Vitamin D (more than just a vitamin) is considered a pro-hormone. It decrease the risk of breast cancer, prostate cancer & colon cancer. Important in weight management.

Food Sources:
Fish, i.e., salmon, tuna & mackerel
Fish liver oils
Beef liver (small amounts)
Cheese (ditto)
Egg yolks (ditto) ...Read more

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How long it will take my Vitamin D levels to raise from 19 to healthy level if I took 4000 Iu of Vitamin D daily? Is 4000 adequate dose to supplement?

How long it will take my Vitamin D levels to raise from 19 to healthy level if I took 4000 Iu of Vitamin D daily? Is 4000 adequate dose to supplement?

Yes: 4000 units of vitamin D3/day is sufficient. It may take about three months for your stores of vitamin D to be replenished and the blood level to be at or above 30. ...Read more

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My doctor prescribed 50, 000 ius of vitamin d twice a week for 3 months. Is this safe? My vitamin d levels were 21. I didn't take it until 6 wk later.

My doctor prescribed 50, 000 ius of vitamin d twice a week for 3 months. Is this safe? My vitamin d levels were 21. I didn't take it until 6 wk later.

Forgive my frankness: I'm going to assume that the units on the lab test indicate it is low. Truth be told, yvette, I'm surprised you delayed. Too many people gorge themselves on worthless 'nutritional supplements', yet you are having bone pain probably due to a real vitamin deficiency and you're stalling and fretting about safety concerns. Stop reading junk internet sites and accept scientific treatment. It will help. ...Read more

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Can raising my vitamin d levels help me lose some excess weight?

Can raising my vitamin d levels help me lose some excess weight?

Vitamin D: It is unlikely that raising your vitamin D level will cause you to lose weight. Vitamin D is used in the operation of about 350 genes, but is not directly related to metabolism. ...Read more

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My vitamin d levels is 7. What amount of vit d. Ampoule I should use in a month?

My vitamin d levels is 7. What amount of vit d. Ampoule I should use in a month?

5000 units/day for: Three months. Your vitamin d level is low and you need to take a dose of vitamin d3 of 5000 units/day (not per month), for three months. More exposure to sunlight will help too. ...Read more

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I was told I could have fibromyalgia but my vitamin d levels were also low. Been taking prescribed vitamin d but see no improvement/worsening pain?

I was told I could have fibromyalgia but my vitamin d levels were also low. Been taking prescribed vitamin d but see no improvement/worsening pain?

Vitamin D's great...: How Great Thou Art Sunshine Vitamin! But let's face it...it's not likely to "fix" something like fibromyalgia....but I'm a believer in the stuff. It takes a while to replace so getting immediate levels after starting therapy is not really recommended. Also, how high is your doctor shooting for in terms of blood levels. In my patients I look for levels of 60-80. Have medical supervision though. ...Read more

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How long does it take for my vitamin d levels to get back to normal (about 70-80)? mine is 29 and I am taking 2000 ius/day and trying to get sun in FL

How long does it take for my vitamin d levels to get back to normal (about 70-80)? mine is 29 and I am taking 2000 ius/day and trying to get sun in FL

Depends: You will likely end up needing 3000 u/day to get to the 70-80 level. However the requirement varies from person to person and I often re-measure the patient's blood level again in 60 days to assess the need. ...Read more

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After every dinner my stomach feels bloated without over eating Could this be because my B12 levels are 1600 and my Vitamin D levels are deficient?

After every dinner my stomach feels bloated without over eating Could this be because my B12 levels are 1600 and my Vitamin D levels are deficient?

Bloating post dinner: Would check for reflux with or without H pylori, a bacteria, and would check for gallbladder status (stones, dyskiensis (ultrasound vs. HIDA) and food intoelrences like gluten / soy or milk. T I have found liver dysfunction with elevated B12 so check liver function and do not supplement with B12. if not supplementing get evaluated as liver/blood diseases cause increase in B12 f/u/ w/ doc ...Read more

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How do I test my vitamin d levels?

How do I test my vitamin d levels?

Blood testing: Please consult your physician for definitive blood testing. ...Read more

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I am 72 with low vitamin D levels. How much should I take and for how long? It makes me nauseated and I have a lot of urination from it. Thank you.

Usually: Physicians put patients with pain or bone loss and Vitamin D deficiency on huge doses once a week or for one week then drop it down to a lower dose. It is true that some find that to cause bone pain and GI upset. In that case you may want to try 4000 units a day for a few weeks and then go back down to 2000 units a day and have your blood levels rechecked at three months. Also use D3, not D2. ...Read more

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Low Vitamin D levels. Tested at 23.3mg/dl and I would like to know how much Vitamin D to supplement with and for how long to get the level closer to 70 or the higher end of normal. Once it reaches that range, is there a "maintenance" dose that I should ta

Low Vitamin D levels. Tested at 23.3mg/dl and I would like to know how much Vitamin D to supplement with and for how long to get the level closer to 70 or the higher end of normal. Once it reaches that range, is there a "maintenance" dose that I should ta

Vitamin D 25-OH: Level of 23 is technically insufficient- over 30 is preferred. Depending on what other symptoms or medical problems exist, the best way to boost your low Vitamin D with SUPPLEMENTS is either with daily Vitamin D3 (Cholecalciferol) 1, 000-3, 000 IU or weekly Vitamin D2 (Ergocalciferol) 50, 000. ...Read more

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Kindly guide how much and until when vitamin d supplements to be given for vitamin d levels of 7.0 for a 56 year old male. Is calcium to be given too?

Kindly guide how much and until when vitamin d supplements to be given for vitamin d levels of 7.0 for a 56 year old male. Is calcium to be given too?

Vitamin D: I am not sure about the calcium without your labs. But, you should be on 50, 000 units of vitamin d per week for twelve weeks and then after that 2000 to 5000 units per day. ...Read more

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How are low B12 and vitamin D levels related to mood problems and anxiety issues?

How are low B12 and vitamin D levels related to mood problems and anxiety issues?

Vitamin D Levels: Certainly low Vitamin D levels have been associated with depression. You need to get your serum vitamin D levels checked. In functional medicine we like for your Vitamin D levels in the 60-80 range. ...Read more

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Can low vitamin D levels effect your period?

Can low vitamin D levels effect your period?

No: Low vitamin D levels can affect bone health eg rickets & osteoporosis. Check out http://www. Hsph. Harvard. Edu/nutritionsource/vitamin-d/, https://ods. Od.nih. Gov/factsheets/VitaminD-HealthProfessional/, http://lpi. Oregonstate. Edu/mic/vitamins/vitamin-D & http://www. Mayoclinic. Org/drugs-supplements/vitamin-d/background/hrb-20060400. ...Read more

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Apart lack of sunlight, what causes low vitamin d levels?

Insufficient intake: There are two ways to get vitamin d. Your body makes it when you are exposed to the sun, or you can take it in your diet. Vitamin d tends to be found in fish (usually cold water) and eggs. There's some in fortified milk, but not enough. Over all, it's pretty hard to get enough from your diet unless you eat huge amounts of certain fish or take a supplement, so I recommend supplements. ...Read more

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Are vitamin d deficiency and high hemoglobin levels related?

Are vitamin d deficiency and high hemoglobin levels related?

Vit D: No, vitamin d, is a hormone and does help with metabolism but deficiency does not cause elevated hemoglobin. ...Read more

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What causes low vitamin d levels apart from a lack of sunlight?

What causes low vitamin d levels apart from a lack of sunlight?

Vitamin D: Usually this is genetically related. Theoretically sunshine will increase vitamin d levels but a study in hawaii showed that 50% of people with 20 hours of sunshine a week still had low vitamin d levels. You can supplement with over-the-counter vitamin d safely. ...Read more

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What are the causes of low vitamin d levels apart from lack of sunlight?

Sunlight: Lack of sunlight and a poor diet are two of the bigger causes of a low vitamin d level. ...Read more

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Could low vitamin d levels cause constant hunger? Blood test has <27 for 25-hydroxy vitamin d.

Could low vitamin d levels cause constant hunger? Blood test has <27 for 25-hydroxy vitamin d.

No: Normal level is 30-100. Your level is below normal in which it canaffect bones, can cause osteoporosis, affect autoimmune function, and cardiovascular risks., but not cause hunger. ...Read more

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I have narcolepsy with cataplexy and tend to run scary low vitamin d levels are these related?

I have narcolepsy with cataplexy and tend to run scary low vitamin d levels are these related?

Perhaps: Since low vitamin d is widespread, 60% in usa, best to supplement, and get level up to 50-60. Is evidence that low levels cause some sleep disturbance, but not narcolepsy. However, vit d supplements may help control some of this better. Discuss necessary approach with your doctor. ...Read more

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For a women where should your Vitamin D levels be at? My blood work in my calcium was a 26 out of range.

For a women where should your Vitamin D levels be at? My blood work in my calcium was a 26 out of range.

Unclear info: All laboratory results need to be interpreted in the clinical context and the doctor who ordered the tests is usually in the best position to do that. Having said that, If your vitamin D level is 26ng/mL, it is near normal, it would be better if it is above 30. If it is 26 nmol/L it is low. In any case you should take 2000 IU of vitamin D3 daily, as long as your calcium is within normal limits. ...Read more

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How does iron and vitamin d deficiency affect my body. What can I do. Besides supliments. To bring my levels up?

Eat foods: With iron, get daily 15 minutes of sun for the vitamin d, otherwise, the supplements are the way to go. Iron and vitamin d are essential for the body, many diseases and consequences when these 2 are low, sorry for brevity but limited space here to reply. ...Read more

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Very low vitamin d levels, prescribed 50, 000 IUD D3 1/wk for 4 wks. Is this safe? What symptoms are associated with this deficiency?

Very low vitamin d levels, prescribed 50, 000 IUD D3 1/wk for 4 wks. Is this safe? What symptoms are associated with this deficiency?

Yes it's safe: Modern life actually put you in danger by keeping you out of the sun -- the exposure required to make adequate vitamin D won't do serious skin damage -- and away from fortified and vitamin D rich foods. People's bones can hurt so much just from vitamin D deficiency that they end up at the rheumatologist's; the vulnerability to TB and probably hemorrhage is real as well. ...Read more

Did (Definition)

DID is an acronym for "Dissociative identity disorder" or "Multiple personality disorder" (psychiatric disorders). It is also ...Read more


Dr. Dean Giannone
653 Doctors shared insights

Tobacco Cessation (Definition)

Tobacco cessation programs provide support and medical services to those seeking to stop ...Read more