Hello,
These symptoms are suggestive of generalized anxiety disorder. Anxiety symptoms are usually free floating i.e., it comes and go anytime. Symptoms include worries about future misfortunes, feeling "on edge", difficulty in concentrating, restless, headaches, inability to relax, sweating, increased heart beat, gastric discomfort, dry mouth etc. Few or all of these can be present. It can be taken care off with the help of medications and psychotherapy.
Next Steps
Contact nearby Psychiatric clinic or You can contact me for further help.