As of May 31, 2023, we have updated our Code of Conduct.

Questions tagged [coloration-discoloration]

The tag has no usage guidance.

Filter by
Sorted by
Tagged with
3 votes
0 answers
126 views

Do beets dye your blood purple?

I was warned recently that eating beets can cause reddish-purple urine, which got me thinking. Blood is filtered by the kidneys to produce urine, high school biology. So if a meal of beets can dye ...
0 votes
1 answer
19 views

Different names for eGFR measurement

I had a look at our hospital database and found out that we have the below measurements Estimated Glomerular Filtration ml/min Estimated Glomerular Filtration Rate ml/min Estimated ...
1 vote
0 answers
81 views

HOW and WHY does blushing occur when one is embarrassed? Linked to fight or flight primal instincts?

Blushing -- that thing that happens when you get your first kiss or something embarrassing happens and the spotlight is on you -- WHAT is it exactly? And HOW does it happen? And WHY does it happen? ...
1 vote
1 answer
302 views

How does chlorhexidine cause discolouration in teeth?

I've been prescribed chlorhexidine gel to topically apply using floss to my peri-implantitis. My prosthodontist warned that chlorhexidine can cause discolouration in teeth, especially if used ...
5 votes
1 answer
55 views

Do shin injuries heal slower than similar injuries on other parts of the body?

Do common injuries, such as scrapes and bruises, heal up slower on your shins? It seems as though there would be less blood flow through shins than, say, the upper arm (which is more "meaty").
1 vote
1 answer
52 views

Why would blue food colouring turn green after "intestinal assistance"?

So my wife and I just had a baffling experience with my 3yo. He just went to the toilet, and his stool came out green. Bright green, like the leaves of a healthy tree, or the Libyan flag. I can't ...
3 votes
1 answer
58 views

Reddened in the face / red skin in the face [closed]

i have red skin in my face since a couple months. I thought it is coming from drinking because I spent like 3 weeks drinking every second day with a friend who visited me and afterwards I got problems ...
3 votes
2 answers
5k views

What does cavity look like on X ray?

Can someone tell me how to spot a cavity on this image? What I have found so far is that it is supposed to be darker area. But I have trouble recognizing it in real x ray image.
1 vote
0 answers
55 views

Improving skin color and shining through diet

From the research on web I found that drinking carrot and beetroot juice is very good for skin health (i.e. improving skin colour, shining etc.) However, both juices are used to loose weight, while I ...
9 votes
2 answers
571 views

How to remove the yellow stains from my teeth?

How to remove the yellow stains from my teeth? I brush two times a day once in the morning and once in the night.But I am still having yellow stains in my teeth.The back side of two of my teeth have ...
8 votes
0 answers
299 views

Spider Bite : Swelling every 12 months - why? [closed]

My father was bitten by a spider on the left side of his forehead in 1989 while visiting America. The type of spider was never identified but the swelling was severe (almost baseball sized). He ...
17 votes
2 answers
79k views

Why does my antibiotic make my urine yellow?

When I was given antibiotics for fever by my doctor, I noticed that my urine is unusually yellow. Why is that?
1 vote
1 answer
65 views

Should my tongue literally be pink when I stick it out?

When I stick out my tongue, it is always at least a bit yellow (if my mouth has been really fry for ages, it is totally coated in yellow bacterial stuff). I don't think I have a major problem with ...
2 votes
0 answers
259 views

Do "liver spots" ever scab up and peel off

I have had a liver spot o my left hand about the size of a dime for many years, at least 10 and more likely 20. A few weeks ago it started to change appearance, at first appearing to turn a darker ...
1 vote
0 answers
1k views

How long will it take for pink skin after the falling of the scab to return to normal colouration?

About two weeks ago, I had a (minor) accident which thankfully did not result in any major damage to my bones or my joints, but which did leave me with a rather large wound near and below my elbow. It ...
1 vote
0 answers
31 views

Do green powders maintain nutritional values?

I really love to drink green smoothies. I usually put in a generous amount of fresh parsley or fresh spinach leaves and I like it very much. I saw that you can buy some green powders in order to mix ...
1 vote
0 answers
12 views

Is Bugleweed vitamin supposed to be black?

I have been using a vitamin supplement for hyperthyroid cat that includes bugleweed, also known as gypsyweed. The vitamin liquid looks kind of strange. It is dirty brown with black fibers or moss-...
1 vote
1 answer
6k views

Poison Ivy or Spider Bite? [closed]

My wife and I were exposed to poison ivy last Saturday (7/16). I have more rashes that her but she has this rash that keeps expanding, picture below. The small oval with the dark spots showed up ...
4 votes
2 answers
395 views

Even topical tetracycline causes teeth discoloration?

I learned that tetracycline can cause tooth discoloratoin when taken orally. How about topical use as a creme? Can tetracycline also stain the tooth through skin absorption?
3 votes
0 answers
53 views

Can I remove the dark skin under my eyes

I think I have hey fever, which makes my eyes water uncontrollably and constantly. This has happened since I was a child. I've been known to randomly cry, my friends know I'm not actually. Instead ...
1 vote
0 answers
46 views

Fading acne-hyperpigmentation

So I've been on diffren (adapalene gel) and it's really helped with my stubborn acne. However, I now have acne hyperpigmentation (the red spots on my skin). I've been trying to find an over the ...
2 votes
1 answer
136 views

White Fingernail?

Recently I have developed a purely white finger nail, my right middle to be exact. It's the only one that's white while the others are foggy clear like normal. My mom says it's calcium deficiency but ...
1 vote
0 answers
70 views

Are tiny brown spots on a tooth a sign of tooth decay? If so, is there a way to stop it from spreading or is it too late? Is it a dead tooth?

In December, I opened a pantry, and a canned-food item from 2 shelves higher, rolled and fell off the shelf, smacking me in face. It was extremely painful, but I was so relieved that I was not bruised ...
1 vote
1 answer
573 views

Hair graying due to water change

Recently I moved from India to Riyadh, because the change in water my hair started becoming gray. Is there any remedy for graying hair due to water change?. P.S: my age is 26 and am sure that this ...
0 votes
1 answer
712 views

Why is this clinical difference between central and peripheral hemoglobincyanosis?

While in central cyanosis we see cyanotic mucosae, we have in peripheral cyanosis a cyanotic peripheral. In central cyanosis we have a oxygenation problem and in peripheral cyanosis a low perfusion. ...
1 vote
0 answers
25 views

black circles on eyes

Except of improve the life that influence our health and creating this black circles down of eyes what we can we do to fix those circles.As an example can i use an ice on the black circles down of ...
2 votes
1 answer
55 views

Body acne (extreme condition) [closed]

After swelling goes away dark spots take place of them. my complete back is covered with dark spots . Urgent help required.
1 vote
0 answers
13 views

Do hazel-colored eyes change colors (depending on surroundings) or is that an optical-illusion? Why is the hazel pigment so sensitive to light?

Do hazel-colored eyes change colors (depending on surroundings) or is that an optical-illusion? Why is the hazel (and blue) pigment so sensitive to light?
4 votes
1 answer
101 views

What are the health concerns with using a laptop on your lap?

I've always wondered why people say I should not put my laptop my lap while using it without telling me why, until I found out that it leads to male infertility and skin discoloration. Are there any ...
3 votes
1 answer
93 views

Bitten by a Hobo Spider. How serious? Going to off-hour clinic tomorrow, but should I go to the ER now? [closed]

Sometime last night I was bitten by what appeared to be a Hobo spider! I live in Vancouver, British Columbia (Pacific Northwest). At first, the bite didn't hurt too much, but hours later, the ...
5 votes
1 answer
109 views

Normal for menstruation blood to be brown/black at the start?

Lately, in addition to the more intense abdominal pain than usual, my period is manifesting itself in dark brown/black (tarry-like) blood from the start and staying like that for almost 5 days until ...