Anxiety: Chamomile, Passionflower & What the Evidence Actually Says

Anxiety is not one single feeling and an anxiety disorder is not the same thing as occasional stress. Herbs are commonly promoted for both, which is why the exact research question matters.

Quick answer

NCCIH says preliminary research suggests chamomile extract might help generalized anxiety disorder, but the findings are not conclusive. A small amount of research suggests passionflower may reduce some anxiety symptoms, but conclusions are not definite.

Safety

Chamomile can trigger allergic reactions, especially in people sensitive to ragweed-family plants, and may interact with medicines including warfarin and sedatives. Passionflower can cause drowsiness, dizziness, or confusion and may interact with anesthesia or other sedating medicines.

Evidence strength

Norene’s Farmacy rating: EARLY HUMAN EVIDENCE for chamomile and LIMITED / EARLY HUMAN EVIDENCE for passionflower.

What we do not claim

We do not claim that an herbal tea or supplement treats an anxiety disorder or replaces psychotherapy, medication, or professional evaluation when those are needed.

Source

National Center for Complementary and Integrative Health. Anxiety and Complementary Health Approaches; Chamomile; Passionflower.

Dr. Village Reports is educational information and product guidance, not medical advice.