https://www.mind.org.uk/information-support/types-of-mental-health-problems/anxiety-and-panic-attacks/symptoms/

These can include:

• a churning feeling in your stomach
• feeling light-headed or dizzy
• pins and needles
• feeling restless or unable to sit still
• headaches, backache or other aches and pains
• faster breathing
• a fast, thumping or irregular heartbeat
• sweating or hot flushes
• sleep problems
• grinding your teeth, especially at night
• nausea (feeling sick)
• needing the toilet more or less often
• changes in your sex drive
• having panic attacks.