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Doctor insights on: Niacin 500mg

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I stopped taking niaspan (niacin) 500mg after having several problems with it. I now feel sick and am very tired. Is this normal.

I stopped taking niaspan (niacin) 500mg after having several problems with it. I now feel sick and am very tired. Is this normal.

It could be a side : Effect. See your dr and get checked for liver, stomach, heart and thyroid problems. Drink lots of water and get enough sleep. Take care ! ...Read more

Dr. Shari Jackson
192 doctors shared insights

Niaspan (Definition)

Niaspan is a cholesterol/lipid lowering agent which is a ...Read more


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Do niacin 500mg increase blood flow?

Do niacin 500mg increase blood flow?

Niacin.: Supplementing with 2000-3000mg of flush free Niacin daily can help to control your cholesterol levels quite nicely, even increasing your HDL and converting your LDL to a less harmful subtype. Unlike high-powered stains, though, Niacin has not been shown to effect arterial plaque regression, I.e. Increase blood flow directly. ...Read more

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I have hypothryodism and take Synthroid (thyroxine)...If I take Niacin 500mg does if interfere with my condition? Don't want my thyroid to got back to being slow

I have hypothryodism and take Synthroid (thyroxine)...If I take Niacin 500mg does if interfere with my condition?  Don't want my thyroid to got back to being slow

I don't think so: There is a HUGE list of medications which interact with Synthroid, (thyroxine) but I could not find niacin on it. Certainly there are other cholesterol lowering medications which should be taken cautiously or avoided when taking Synthroid, (thyroxine) but niacin seems to be ok. 500 mg is a relatively low dose so start there and see how it goes. If get flushing, talk with MD about taking low dose aspirin to prevent. ...Read more

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Is niacin 500mg daily a safe dose for LDL reduction therapy before prescribing a statin for high cholesterol? Patient is 29 yr old male

Is niacin 500mg daily a safe dose for LDL reduction therapy before prescribing a statin for high cholesterol? Patient is 29 yr old male

Yes: That is the regular starting dose for niacin. Have exercise, weight loss and diet already been tried? That would be my first recommendation. If Niacin is ineffective, statins my be considered. Niacin and statins were routinely used together in the past but this has fallen out of favor after the results of the recent aim-high trial. ...Read more

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What to do if i've been ready on 500mg niacin tablets for peoe 14 days?

Please clarify-: What are you trying to treat? What information are you looking for? Thanks. ...Read more

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What to do if I have 500mg niacin pills, how much do I take the first time ever?

Just one.: Start with one pill nightly before bed for one week, then add one pill in the morning for another week, then add a pill at night for the third week, and so on weekly until you get to 1000 to 1500mg twice daily, which would be the therapeutic dose. ...Read more

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Niaspan (niacin) Exten Release 500mg. How long does the extended release last? Over time i am meant to try to get to 2g/day. Can i take 1g morn, 1g eve?

That is OK: Hi. Yes, it's fine to take Niaspan (niacin) twice daily. It is approved for once daily, but if tolerability is better taken twice daily, then that is perfectly OK. ...Read more

Dr. Qamar Khan
168 doctors shared insights

Niacor (Definition)

Niacor is a cholesterol/lipid lowering agent which is a ...Read more