If you have muscle pain in your upper arm, you will struggle with a lot of physical activities. Sometimes, the cause for the pain might be apparent, such as when you’ve lifted heavy weights or have suffered from an injury. However, there are other reasons which might cause muscle pain in your upper arm. This article talks about some of the leading causes of muscle pain in the upper arm.

Strain
A strain is one of the most common causes of muscle pain in the upper arm. It happens when a muscle gets overstretched, leading to tears in the muscle’s fiber.

Injury to your shoulder
When you injure your shoulder, you feel inflammation in the muscles of the upper arm because it’s the beginning of the pain associated with a shoulder injury. Shoulder injuries are one of the most common causes of muscle pain in the upper arm.

Humerus fractures
A fracture in the humerus will cause a break in your upper arm’s bone, and you might mistake the pain from such an injury with muscle ache. In most cases, a person fractures their humerus after a fall, and it is one of the most painful things that they can experience. Playing some overhead sports like baseball, softball, etc. could lead to humerus fractures as well.

Other causes
Here are some other causes that might lead to muscle pain in the upper arm:

• A blood clot in the vein of the upper arm
• An infection in the humerus
• Heart attack
• A non-cancerous or cancerous tumor in the humerus

If you are facing any such pain, then you should consult a doctor. An experienced medical practitioner can diagnose the situation and help you get relief from this excruciating pain.