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Note: The resources listed in this guide are not intended to be fully systematic or complete, nor does inclusion here imply any endorsement or recommendation by The University of Maryland or the Center for Integrative Medicine. The University of Maryland and the Center for Integrative Medicine make no warranties, express or implied, about the value or utility for any purpose of the information and resources contained herein.

Possible Interactions with: 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:

SedativesWarfarin

Alternative Names:

Chamaemelum nobile; Chamomile, Roman; Roman Chamomile

Reviewed last on: 3/18/2007
Steven D. Ehrlich, N.M.D., private practice specializing in complementary and alternative medicine, Phoenix, AZ. Review provided by VeriMed Healthcare Network.

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