Hi RS and welcome back...
...although I am sorry that it is because you are not feeling well at the moment.
Here is an excerpt from the Anxiety Centre's list of anxiety symptoms:
Head (anxiety symptoms commonly associated with the head):
Brain fog
Burning, itchy, tight scalp
Dizziness
Dizzy
Dizziness or light-headedness
Frequent headaches, migraine headaches
Feeling like there is a tight band around your head, pressure, tightness
Hair loss, hair is thinning, or clumps of hair are falling out
Head, neck or shoulder pain, tightness/stiffness
Head zaps, head tremors
Giddiness
Numbness
Numbness tingling, numbness and tingling
Shooting pains, stabbing pains, and odd pressures in the neck, head, or face
Shooting pains in the face
Shooting pains in the scalpThere is also a vast array of self-help ideas in the Resources here that may help you to get through this rough spot.
Know that we are cheering you on, and wishing you a good, calm rest of your trip!
S.C.