Questions tagged [dosage]

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2 votes
1 answer
86 views

Why do so many OTC drugs have one-size-fits-all dosing instructions?

Every over-the-counter medication I've seen in recent memory (in the USA) has had instructions along the lines of, "Adults and children 12 years and older: 1 pill every 4 hours, 12 and under: ...
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0 votes
0 answers
65 views

Effects of intravenous injection of sterilized hypotonic water

I'm curious about the effects of injecting sterilized water intravenously. I suppose that a high enough dose will cause red blood cells to burst because of the change in osmolarity (cytolysis). A ...
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How fast do estrone and estradiol stablize?

I'm looking for data on the how fast Estradiol and Estrone decrease given the amount in the body, the age, and the gender. e.g., supposed an adult male has an average of 20pg/mL, how long would it ...
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1 vote
1 answer
53 views

Why are some medicines recommended to be taken with a high dose and low frequency?

Alendronate sodium is an osteoporosis medicine commonly recommended as a once-a-week 70 mg dose. Why not 35 mg twice a week? or 10 mg daily? I am guessing that a more steady intake like this would be ...
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1 vote
1 answer
98 views

Why would you take Vitamin D twice a week instead of once a day?

After coming up low on Vitamin D on a blood test, I was once prescribed a Vitamin D supplement (Fultium-D3 20,000 IUs). This was on a rather odd basis - instead of a dose every day, it was a whacking ...
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1 vote
0 answers
21 views

Can the evaporated mercury from an LCD harm me? [closed]

I opened a laptop today and I accidentally touched on a don't touch ribbon with my screwdriver. I searched on the internet and I might have broken the screen's backlight and leaked mercury vapor (...
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0 votes
1 answer
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How much zinc per day is "too much"? [closed]

I've felt extremely "down" physically for a long time, culminating recently. Therefore, after hearing and reading that zinc allegedly fixes most of my specific issues, I have bought this bottle of "...
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1 vote
1 answer
102 views

Kidney stones and sodium (salt)

In order to prevent and maybe (see below) help dissolving kidney stones, I read it is better to dramatically reduce salt intake (among other things). Some sites even recommend a 0-salt diet. While ...
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5 votes
1 answer
68 views

How are the administration times for medications determined?

Many prescribed medications give a rate at which to apply the medication, and "over-the-counter" medications often have a minimum time period between dosages the users of the medications are not to go ...
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1 vote
0 answers
32 views

How does the med, Spironolactone, help with PCOS?

I've been taking Spironolactone for my acne for many years (I'm a woman in my late 20's now). I have been taking it for this intended purpose. The other day, a doctor was looking over my meds and for ...
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1 vote
0 answers
39 views

What are the dangers of missing a dose and overdose? [closed]

I'm a computer engineering student that would like to address this issue on my next project using prototype and maybe a web-based software or app. But before that, I had to understand why patients ...
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-1 votes
1 answer
80 views

Higher doses of a drug being less effective?

Does body possibly have mechanisms for blocking drugs at higher doses and making them less effective?
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4 votes
1 answer
226 views

How does the abbreviation BID apply to medication dosing?

In a prescription such as this: omeprazole 20 mg BID I know BID means two times per day. However, does this mean to take half the dose of 20 mg (10 mg) in the morning plus 10 mg in the evening? ...
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3 votes
0 answers
1k views

What is the meaning of "WES" "LEG" or "CAD" written next to a prescription?

I have 2 prescriptions of Predinisone, and on one of them it is written, "PredniSONE 5MG TAB WES" and on another one it is written, "PREDNISONE 10MG TAB CAD." Are they the same formula and only differ ...
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0 votes
1 answer
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Elderly Father Takes Prevacid for last 20 years, seems to do more harm, how to stop [closed]

Note: Requesting guidance on how to approach, not medical advice. My Dad is in his early 70s and has taken Prevacid once a day for nearly 20 years. After eating food would come up after an hour. ...
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  • 561
3 votes
3 answers
110 views

At what daily dose does daily aspirin use become dangerous for a long-term user?

Many people take 80-300mg a day of aspirin for cardiovascular reasons; while, from what I've seen online, arthritis patients take up to 3000mg a day (is this correct?). But what are the increased ...
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  • 131
1 vote
0 answers
255 views

What is the recommended dosage of 5000 mcg Vitamin B-12

I brought these vitamin B12 capsules from Costco The supplements panel says its okay to take one tablet daily but I am worried since 1 tablet has a whooping 83333% or as much as 833 times the daily ...
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1 vote
0 answers
29 views

Does the saliva of a person just recovered from an infectious disease help to cure another persons having the same disease?

I have always had this 'weird' thought (But could never quite test it...). Would the saliva contain antibodies, or other immuno-boosting substances that can help fight off the same pathogen in another ...
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  • 133
-1 votes
1 answer
121 views

What's the optimal dosage of zinc within 24 hours of onset of cold symptoms?

A cochrane review suggested that taking zinc within onset of cold symptoms is effective at lingering the common cold. What's the optimal dosage?
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1 vote
0 answers
161 views

Why shouldn't one use Neosporin more than three times per day?

https://www.neosporin.com/wound-care/frequently-asked-questions says: Treat: Apply a small amount of this product (an amount equal to the surface area of a tip of a finger) on the area 1 to 3 times ...
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2 votes
1 answer
41k views

Accidentally took cold medicine an hour early

So I currently have a cold and the medicine I'm taking is supposed to be taken every 4 hours. For some reason I thought I was supposed to take my next dose at 3pm, but after I took it, I realized I ...
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2 votes
0 answers
76 views

Melatonin to reduce the amount of sleep

I noticed that after taking 1mg melatonin I tend to wake up earlier. Is melatonin a reliable and safe way to reduce the amount of sleep you need? What's a good dose? I am a long sleeper, without any ...
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1 vote
0 answers
665 views

Saccharomyces boulardii with antibiotics. When to take?

On Saccharomyces boulardii leaflet it's written that it has to be taken on an empty stomach (at least 15 minutes before eating) but if it's to be taken with antibiotics then you should take them ...
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8 votes
1 answer
288 views

Multivitamin course duration

I see that multivitamin pack contains tablets for 60 days. Should I buy a new one once this finishes? I particularly ask because one product contains 1200% RDA of B12. How long can you sustain that?
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5 votes
1 answer
65 views

Folic acid dose before conception

What is the normal folic acid dosage that should be taken while trying to conceive? The minimum dosage available in my region is 5 mg tablets. Is that an acceptable dose? I read somewhere that the ...
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5 votes
1 answer
601 views

Maximum safe dosage of zinc for 4-6 weeks

After refractive surgery, the doctor suggested taking 1000mg of vitamin C daily to help minimize scarring. When I went to pick up the vitamins, I also noticed that there was a supplement claiming to ...
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6 votes
1 answer
72 views

Do dosage directions refer to the amount of medical product or to the amount of active ingredient of it?

I have a package of Daktarin oral gel, and want to decide what quantity to take. I have trouble understanding the leaflet. The box says that each gram of the gel contains 20 mg of the active ...
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13 votes
3 answers
17k views

How often should you drink water? Not how much

We all know how much water we should be drinking. However, I have a close friend that only drinks 1.5 litres of water once a day. Keep in mind that they do consume other liquids with food. ...
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11 votes
1 answer
11k views

How exact are the times for how long to wait between pills? [closed]

A 120mg pill of Sudafed (Pseudoephedrine hydrochloride), for example, lasts for 12 hours. You are not supposed to take another Sudafed pill before the 12 hours are up. How exact is this 12-hour limit?...
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