Can anxiety cause high blood pressure?
Last updated September 3, 2026.
Anxiety spikes blood pressure temporarily but does not directly cause lasting hypertension; the long-term risk comes from frequent spikes and from the habits anxiety drives. The mechanism is the stress response: adrenaline and cortisol squeeze vessels and speed the heart, pressure surges, then settles when the episode passes. Mayo Clinic's guidance is clear that anxiety alone is not a cause of chronic hypertension, but repeated surging episodes can still damage blood vessels, heart, and kidneys over time, and the anxiety lifestyle, more smoking, more drinking, worse sleep, less exercise, genuinely raises baseline pressure. One more wrinkle: some antidepressants used for anxiety, particularly SNRIs, can themselves nudge pressure up. Practically: measure when calm to find your real baseline, treat the anxiety itself (therapy works, and better anxiety control steadies the numbers), and fix the stress habits because they are the durable pressure-raisers. Anxiety that is running your life deserves treatment on its own terms, with blood pressure as one more reason not to white-knuckle through it.
What to do
- Measure when calm: mid-panic readings are spikes, not your baseline.
- Treat the anxiety: therapy improves both the fear and the numbers.
- Fix the stress habits: sleep, alcohol, nicotine, and movement are the lasting levers.
- Mention your meds: SNRIs and some other anxiety drugs can raise pressure.
- Frequent spikes still count: repeated surges strain vessels over time.
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