Laser hair removal treatment: Can it cause weakness ,dizziness and body pain for long term?

The symptoms you describe are completely unrelated to the laser hair removal treatment. I would see your regular doctor to determine the cause of this.

Hi, the energy from the laser penetrates into the skin.  Temporary skin irritation, discomfort, redness and swelling are possible after laser hair removal.  Blisters are rare but are more likely in people with darker complexions.  Systemic symptoms are typically not associated with laser hair removal treatment, unless an infection developed from a blister.  I would see a Dermatologist if your skin symptoms persist.  Thank you.