Anxiety can show up in both your mind and your body, and its symptoms can range from mild worry to full‑blown panic. Below are the main clusters of signs people commonly report.

Mental and emotional symptoms

These are the “inside” experiences of anxiety:

  • Feeling nervous, restless, on edge, or “keyed up.”
  • Persistent worry or fear that’s hard to control, often about everyday things.
  • A sense of dread, impending doom, or that something bad is going to happen.
  • Racing thoughts or “mental loops” where you can’t stop thinking about a problem.
  • Difficulty concentrating or mind “going blank” because of worry.

Physical symptoms

Anxiety often shows up in the body as if you’re in “fight‑or‑flight” mode:

  • Faster heart rate or heart palpitations (heart pounding or skipping).
  • Shortness of breath or feeling like you can’t get enough air.
  • Sweating, trembling, shaky hands, or feeling weak/tired.
  • Dizziness, lightheadedness, or feeling faint.
  • Muscle tension, headaches, or stomach problems (upset stomach, nausea, diarrhea, or constipation).
  • Trouble sleeping (falling asleep, staying asleep, or waking up anxious).

Behavioral and social signs

Anxiety can also change how you act and interact:

  • Avoiding situations, places, or people that trigger worry or panic.
  • Feeling “frozen” or unable to relax or sit still.
  • Irritability or snapping more easily because you feel wound up.
  • Seeking constant reassurance (checking in with others, rereading messages, etc.).

When to seek help

It’s normal to feel anxious now and then, but you should talk to a doctor or mental‑health professional if:

  • Symptoms last most days for several weeks.
  • Anxiety interferes with work, school, relationships, or daily activities.
  • You have panic attacks (sudden, intense fear with chest pain, choking sensations, or feeling detached from reality).

If you or someone you know is having thoughts of self‑harm or suicide, reach out immediately to a crisis line or emergency services—support is available and you are not alone. TL;DR (too long; didn’t read)
Common anxiety symptoms include nervousness, racing thoughts, trouble concentrating, increased heart rate, breathing changes, sweating, trembling, dizziness, sleep problems, muscle tension, and stomach issues. If these happen often or interfere with your life, it’s worth talking with a healthcare professional.

Information gathered from public forums or data available on the internet and portrayed here.