Questions tagged [pain]

Questions about dealing with, relieving, and causes of pain.

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Size of somatosensory overlap/intermediate zone for pain/light touch

For somatosensory innervation, there is a substantial overlap within the spinal cord and dermatomes, so that the (maximal) innervation zones of adjacent spinal roots form overlapping/intermediate ...
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Does high level of pain alone (without fatal physical injury) necessarily lead to faint or death? [duplicate]

It is known that pain can stimulate the vagus nerve which could cause faint and extreme pain can cause cardiac arrest, which could lead to death. But is it just the pain causing the faint or death, ...
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2 votes
2 answers
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What is the current evidence on treating back injury?

I've been researching this topic for a while and found many contradictory results all over the place. I've left the more general "back pain" because I kind of get the same inconclusive ...
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2 votes
1 answer
50 views

Why don't people replace morphine with Beta-Endorphines?

I was reading about the morphine molecule. It binds to our opioid receptors. These opioid receptors have endogenous binding partners also, like β-Endorphin. There have been reports that these ...
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2 votes
0 answers
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I know this question is kind of stupid, but can a person with CIPA(a disease that causes them not to feel pain) feel the burn of hot-sauce/mace?

So I was thinking whether or not a person that has a disease where they can not feel pain ,like CIPA, basicly be immune to capsaicin i.e. hot peppers, hot sauce, and pepper spray/mace. So what is the ...
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1 vote
1 answer
99 views

Why does a capped cracked tooth hurt when sugar hits it?

Assume a cracked tooth with a cubic zirconia crown. If something sweet touches this tooth/crown... YEOUCH! Pain shoots through the tooth and into the root. Why? A similar reaction occurs from cold or ...
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2 votes
1 answer
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What is the relationship (if any) between poor posture during the day and problems with bruxism and/or TMJ, or is this just idle speculation?

The two popular news articles discuss increased rates of Temporomandibular joint dysfunction or "TMJ" symptoms and broken teeth reported in the US as well as the (potentially bi-directional) ...
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-1 votes
1 answer
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Are open-ended vasectomies less likely to cause post-vasectomy pain than closed vasectomies?

Are open-ended vasectomies less likely to cause post-vasectomy pain than closed vasectomies? I have found https://www.vasectomy.com/question/is-open-testicular-end-vasectomy-better-11304: This is ...
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4 votes
0 answers
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Are dehydration headaches visible on an MRI scan?

This article states following about dehydration headaches: Our brains are 80% water. When you become dehydrated your brain tissue loses water causing your brain to shrink and pull away from the skull....
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3 votes
1 answer
86 views

Why does metastatic bone cancer present as back pain that is "worse at night"?

One "classic" presentation of metastatic bone cancer is back pain that "tends to be worse at night and may get better with movement" - American Cancer Society. Googling "back pain worse at night from ...
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Wrist pain when bearing weight and bending both sides [closed]

Let me explain it from when it started. 2018 begining I started feeling very light pain in the middle of my right wrist joint when ever I use it to stand up pushing my self using my right hand agents ...
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2 votes
1 answer
199 views

Does intense pain cause people to lose consciousness?

In many fictional media sometimes a character goes through a lot of pain and ends up being unconscious because of it. It this true or at least possible? In that case, why that would happen?
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1 answer
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Heat vs Cold packs in injuries and their difference in use?

Why is it that western first aid generally involves cold packs and eastern generally the application of a heat pack or heat in general after an injury or inflammation? Shouldn't there be a physiologic ...
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Why are antidepressants considered the most successful therapy of fibromyalgia?

Fibromyalgia is classed as a disorder of pain processing due to abnormalities in how pain signals are processed in the central nervous system. 1 Antidepressants are now the most widely studied and, ...
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Muscle disorder causing exercise intolerance without an increase of creatine kinease levels

Has anyone heard of a disorder that causes exercise intolerance and post-exertional myalgia without any further symptoms (like generalised fatigue or joint pain)? Detailed investigation showed that ...
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Lucidity and pain reduction link [closed]

I am a layman, so this is no doubt an overly broad and probably dumb question, but if someone will humor me and attempt to answer, I would greatly appreciate it. Why is it that studies tend to show a ...
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How do I evaluate a TENS unit, having no experience with them? [closed]

A friend of mine has been recommended to use a TENS unit for pain his nape (back of his neck) - and is going to purchase one. Neither of us has ever used such a device, and I've noticed there are ...
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1 answer
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What’s the role of hypothalamus in headache pathophysiology? [closed]

The hypothalamus forms part of the central autonomic network, regulating body homeostasis and controlling pain. What is its role in headaches?
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2 votes
1 answer
83 views

How to differentially diagnose continuing sciatic pain given this existing information?

Pains along the sciatic nerve apparently have numerous possible causes (18 of them according to this article). Now, given the following facts, what would be appropriate differential-diagnostic ...
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5 votes
1 answer
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What are the cause(s) of fibromyalgia?

Looking at The American College of Rheumatology 1990 criteria for the classification of fibromyalgia (Wolfe, et al. 1990), they indicate that this was first indentified in the late 1970s. The ...
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4 votes
0 answers
42 views

Is the difference between Medial v.s. Lateral Patellofemoral Pain Syndrome (PFPS) documented?

I haven't been able to find any discussion on the difference between medial v.s. lateral PFPS. I have seen a lot of information about strengthening external hip rotators and hip abductors being a ...
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1 vote
2 answers
62 views

Chikungunya joint pain

Chikungunya can cause joint pain. Is it true that there is no treatment for Chikungunya joint pain? How do patients normally cope with it?
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Are there "good kinds" of pain?

Are there "good kinds" of pain? Pain is usually bad, but are some kinds of pain "good" compared to others? I got this idea from a House episode -- season 2's "Euphoria". Foreman's father visits ...
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5 votes
1 answer
232 views

Where are less painful self-injection sites for sub-cutaneous injections? [closed]

If a sub-cutaneous injection is to be given, where is the least painful site? Injection into the thigh muscle is suggested for some unknown reason, and the instructions advise simply to avoid muscle ...
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12 votes
3 answers
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Should we always eat something before taking pain killers?

When buying pain killers in the pharmacy (no doctor prescription), sometimes I'm told to take the pain killers only after eating something, sometimes they say it doesn't matter, and most of the times ...
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0 answers
72 views

Good pain from a healing wound

Why does it feel so good (not dull pain), to encircle or press on a healing wound with a finger at a proximity that is very close to the border of the wound? For example, a healing bruise feels so ...
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2 votes
1 answer
85 views

Pain relating to Root Canal Treatment

What are the causes of pain during and after root canal therapy?
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0 answers
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Why don't some people get bruises?

I know some people bruise very easily, Example I poked a person on the side very lightly and the next day it looks like someone punched them in the side. For me yesterday I was balancing on a log, I ...
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0 votes
1 answer
254 views

Location of olecranon

I've read that your olecranon is the tip of your elbow. But what about the point that I've marked with the green X on the below image? If you were getting pain there, would it still be classed as ...
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1 vote
0 answers
49 views

Sugar stops toothache

My brother currently has two serious toothaches. (Yes, he's scheduled for the dentist.) He noticed, though, that eating bread makes the pain stop. Later, he noticed that sugar works much better. ...
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1 vote
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What is a pain response when the feeling of pain isn't there?

Is there a term and definition for when the body reacts to pain you can't consciously feel? To be more descriptive, it's a reflex to pain, like pulling back from a hot stove and coddling the finger ...
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5 votes
1 answer
79 views

Why do exercises for lower back pain concentrate on the abdominal musciles?

I've gone to physical therapy twice in my life for lower back pain. Each time the exercises I was given concentrated on improving the strength of the abdominal muscles, never the gluteus group of ...
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2 votes
0 answers
48 views

Reasons for tooth-base sensitivity?

What are the possible reasons for sensitivity of tooth bases to heat, cold, or sweet? (I am not referring to gum pain, but pain in the actual teeth at the base at/below the gum line.) In my ...
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6 votes
1 answer
176 views

Why does gas cause pain?

If I have gas in my intestines, why does it hurt? The mayo clinic has a lot of words, that describe the how and why you get gas. Anything that causes intestinal gas or is associated with ...
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2 votes
1 answer
119 views

Does the body adapt to recurring blunt force trauma?

If skin is constantly scraped or rubbed, callouses form and the body better deals with future scrapes and rubs. Is there any process in which we adapt to being hit by blunt objects? When I am hit ...
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1 vote
1 answer
1k views

How can I make getting an IV easier?

I need an IV started once or twice a month, sometimes more often. This has been going on for a year now. It is getting harder and harder to get them started. 4 weeks ago it took three tries. Yesterday ...
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3 votes
1 answer
66 views

Why is acid reflux (allegedly) often confused with chest pain?

I get irregular, sharp, short bursts of pain in my chest, on the left side, near my heart. Supposedly, heart and circulatory related pain is neither sharp nor short, so this pain may be muscle or lung-...
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1 vote
1 answer
104 views

What makes mint feel painful?

By what mechanism does mint create a sensation similar to coldness or pain in one's mouth? Why would this sensation become less and less over time with repeated exposure to mint?
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2 votes
0 answers
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Violent Shivering in Wounded and Incapacitated Patients

I am researching various behaviours patients exhibit when wounded, for a game project. Apparently, when going into shock, people will sometimes shake violently? I wondered how often this happens if ...
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2 votes
0 answers
47k views

Wrist pain when bent back [closed]

I get quite a strong pain in my wrist when I bend it back, or play a wrist-intensive sport like squash, but the rest of the time my wrist is OK and my fingers don't feel any different either. The ...
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2 votes
0 answers
18 views

Can Videogame physiotherapy help with dorsal hand pain?

I am thinking how to alleviate irregular bilateral dorsal hand pain. The origin can be C7/C8 dermatomes or radial/ulnar nerve. Etiology can be excessive sitting on camping chair (some hours daily) ...
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3 votes
1 answer
32 views

STarT Questionnaire Meaning

When referring to the STarT questionnaire. Why is "STarT" capitalised like that? I can't seem to find a definition of it as an acronym. The STarT questionnaire, also know as the STarT Back ...
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2 votes
1 answer
69 views

Postherpetic neuralgia: Treat or suffer the pain (if you can suffer)? [closed]

Postherpetic neuralgia can be treated by various analgesics, but I'm not sure that I need them, actually I can suffer that pain quite well. But may be analgesics still do something more then just "...
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1 vote
0 answers
14 views

What is an unbiased electrical search stimulus?

The following is an excerpt from Wall and Melzack's Textbook of Pain, sixth edition: "When an unbiased electrical search stimulus is used, however, the prevalence of type I and type II A-fiber ...
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1 vote
0 answers
28 views

What causes myalgia after strength training?

You can get muscle pain 24 hours after strength training. As far as I know, this is caused by some cracks in the muscle. Pain is often caused or initiated by inflammation, by which some enzymes and ...
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0 votes
1 answer
44 views

How do I know I slipped a disc?

I Have a moderate discomfort in my back and have done for a while. I'm in an office job and am in to physical sports such as MMA which could be related. If I had to describe the symptoms, it feels ...
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0 votes
1 answer
52 views

What can I do to minimize the chance of tooth pain? [closed]

A tooth in the rear left of my mouth (I think it's my wisdom tooth) has temperature sensitivity; if I eat something very cold and I chew it with that tooth, it begins to hurt. Due to some problems ...
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1 vote
0 answers
23 views

What topical anesthetics exist for the axillary area?

Oral topical anesthetics work great as first stage numbing before an injection of anesthetics during dentist procedures. Are there similar topical anesthetics that could be used in other areas of the ...
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3 votes
1 answer
2k views

How does robb(balm) relieve pain?

Most times when I trek for a long time, by the time I get home and rest, my thighs begin to hurt me. Upon experiencing such pain, I apply Robb on it while massaging, after some time I feel some relief....
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1 vote
2 answers
792 views

What could cause pain in one's shoulder blade and collar bone?

I have an acute irritation and pain in my shoulder blade and collar bone. It's mostly in my left ones but there is also some pain in my right ones. I am in pain when I try to sleep on either shoulder. ...
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