What could be the cause of numbness in the arm?

Possible causes of numbness in the arm can include issues such as carpal tunnel syndrome, circulation problems, neck injuries, poor posture, among others. It is recommended to consult a doctor to identify the source of the numbness. In the meantime, you can use over-the-counter pain relievers like Tylenol to help with discomfort. It is important to seek medical attention if symptoms worsen, persist, or if new symptoms arise. Since there are multiple possible causes, it is best to get a proper evaluation before starting any treatment.