Excessively Sweating all over the body is called Hyperhidrosis. It is difficult to treat and requires a surgery called cervical sympathectomy. I feel only hands and feet Botox can be given and remaining can be treated by lifestyle adjustment.

This is limited information and tells nothing about your skin condition which can help in planning a treatment. A thorough history, clinical examination and appropriate laboratory tests will be needed to solve the mystery. Consider seeing a Dermatologist for proper diagnosis and treatment plan. There are few skin diseases with the similar presentation and that needs to be considered.