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Possible Interactions with: Roman Chamomile

Index > Herb Interactions > Possible Interactions with: Roman Chamomile
Also listed as: Chamaemelum nobile; Chamomile, Roman; Roman Chamomile

Interactions

If you currently take any of the following drugs, you should not use German chamomile without first talking to your healthcare provider.

Anticoagulants (blood-thinning medication) -- Chamomile may increase the risk of bleeding when taken with anticoagulant drugs such as warfarin.

Sedatives -- Chamomile can increase the effect of drugs that have a sedating effect, including:

  • Anticonvulsants such as phenytoin (Dilantin) and valproic acid (Depakote)
  • Barbiturates
  • Benzodiazepines such as alprazolam (Xanax) and diazepam (Valium)
  • Drugs to treat insomnia, such as zolpidem (Ambien), zaleplon (Sonata), eszopiclone (Lunesta), and ramelteon (Rozerem)
  • Tricyclic antidepressants such as amitriptyline (Elavil)
  • Alcohol

The same is true of herbs with a sedating effect, such as valerian, kava, and catnip.

Other drugs -- Because chamomile is broken down by certain liver enzymes, it may interact with other drugs that are broken down by the same enzymes. Those drugs may include:

  • Fexofenadine (Seldane)
  • Statins (drugs taken to lower cholesterol)
  • Birth control pills
  • Some antifungal drugs

Drug Interactions

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