Chamomile Tea Side Effects: Risks, Interactions & Precautions

Chamomile tea (Matricaria recutita or Chamaemelum nobile) is celebrated for its medicinal properties—tonic, antispasmodic, anti-inflammatory, antibacterial, sedative—but it's not without risks. Understanding potential side effects ensures safe use.

Key Side Effects

• Bleeding Risk: May enhance warfarin (anticoagulant) effects.
• Pregnancy: Essential oil/tincture can cause uterine contractions/miscarriage. Occasional tea may ease nausea, but excess is dangerous.
• Allergic Reactions: Anaphylactic shock (rare), skin rashes, bronchial constriction—especially in those with ragweed allergy.
• Drug Interactions: Enhances sedative effects of anti-epileptics, opioids, valerian, kava, alcohol (CNS depression).
• Digestive Upset: Nausea/vomiting with high doses.
• Topical Sensitivity: Eye washes may cause allergic conjunctivitis; skin contact can trigger dermatitis (pollen allergens).

Usage Precautions

• Avoid with sedatives, alcohol, aspirin, warfarin, or before driving/operating machinery (drowsiness).
• Pregnant women: follow doctor's guidance strictly.

How to Brew

1. 3 grams (~3 tsp) chamomile per cup.
2. Pour 5 oz boiling water, steep 10 minutes, strain.
3. Drink 3–4 times daily as needed.

External Applications

• Bath soak (16 tbsp per quart), hair care, burn dressings, eczema creams (3–10%), skin soothing, mouthwash, eye drops, oral rinse, compresses, throat sprays.

Health Benefits

• Anti-inflammatory, fever/cold relief, muscle/menstrual cramp relief, infant colic/stomach aid, anxiety/insomnia/migraine relief, mucus clearance, appetite stimulation, digestive ease.

Consult a physician before regular use, especially with existing conditions or medications.

Disclaimer: For informational purposes only; not a replacement for expert medical advice.