welcome to Healthcare Magic.
Your symptoms are related to generalised anxiety
For long term control of anxiety following measures are helpful: Medicines like SSRIs and non drug treatment like CBT. Medicines are prescription medicines. It is better to get evaluated by psychiatrist
and start treatment accordingly.
Non drug measures which are helpful:
-In food avoid or take minimally caffeine containing items which increases anxiety like: Tea, coffee and cold
-Relaxation exercise like daily brisk walk, yoga
and breathing exercise
Wish you good health and all the best.
Dr Ashish Kumar Mittal