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There are many causes of pain in the foot. Pain in the foot can be a result of an injury such as a sprain, fracture or broken bone. If your foot pain persists you should seek advice from a medical professional.
It depends how much pain is "a lot." Different people have different tolerances for pain. However, if you break any bone in your foot, is will feel worse under pressure when standing. It is not recommended to stand with a fractured bone in your foot.
Sorry to hear that you are having issues with your foot. If you haven't already gone to the doctor, you should probably do that. While you are home, you should have your foot elevated and have ice on it. You should probably stop dancing for a little bit, at least until the pain subsides.
Pain can be caused by many different things, but in this case I would suspect a hairline bone fracture.
A splint is used to immobilize and support a leg fracture by holding the broken bone in place. This helps reduce pain, prevent further injury, and promote proper healing.
Open fracture
Bone spurs are one cause of foot pain. They are in the heel and are calcuim deposits at the end of the bone.
While most foot fractures are painful, you can't use pain as a diagnostic to prove a fracture. Unless you can see deformity of the bone, or you're unlucky enough to suffer a compound fractor (where the bone protrudes through the skin), pain alone is not the gold standard for diagnosing a fracture. I've frequently heard people tell me that sprains and serious contusions actually caused them more pain than a fracture in tyhe approximate area. This is even moreso the case in that treatment for an injury may be identical, be it a bad sprain or a simple fracture. Likewise, you can indeed palpate a deformity of the bone resulant from a fracture without it resulting in serious pain. The only problem is that the bump you're feeling may or may not be a fracture. The only way to tell for certain if it's a fracture is either imagery (x-ray, CT Scan, MRI and the like), or intrusive measures like surgery, which are in almost every case counterindicated. In summary, the answer to your problem is Yes, but you can't really tell if what you're feeling is a fracture.
Pain, swelling, unbearable pain while pressure is applied.
A compression fracture occurs when the bone is crushed or pressed together, often resulting in loss of height in the bone. This type of fracture is commonly seen in osteoporotic bones. Treatment involves stabilizing the bone and managing pain.
A splint is used to support and protect a foot fracture by keeping the bones in place. It helps reduce pain, swelling, and further injury. It is important to follow medical advice on how long to wear the splint and when to remove it for proper healing.
Some signs of a fractured bone include swelling, bruising, deformity, pain, and loss of function. If it is an open fracture, the bone might be seen protruding from the skin.