Chamomile tea is considered low histamine and is generally well tolerated by people with histamine intolerance. The Swiss Interest Group Histamine Intolerance (SIGHI), one of the most widely referenced food compatibility lists for histamine intolerance, places herbal teas, including chamomile, in its “well tolerated” category. Beyond simply being low in histamine, chamomile contains compounds that may actually work against histamine in your body.
Why Chamomile Is Considered Safe
Chamomile doesn’t fall into any of the three categories that cause problems for people with histamine intolerance. It isn’t high in histamine itself, it isn’t known to block the enzyme that breaks down histamine (diamine oxidase), and it isn’t classified as a histamine liberator, meaning it doesn’t trigger your body’s mast cells to dump stored histamine into your bloodstream.
This puts chamomile in a different class from teas like black tea and green tea, which are fermented or partially oxidized and tend to accumulate higher levels of histamine during processing. Fermentation is one of the biggest drivers of histamine content in foods and beverages, and chamomile tea skips that step entirely. It’s simply dried flower heads steeped in hot water.
Chamomile May Actively Lower Histamine
Chamomile’s main bioactive compound, apigenin, first caught researchers’ attention in the 1960s for its ability to inhibit histamine release from immune cells called basophils. A 2011 study published in the Journal of Ethnopharmacology tested German chamomile extract in a mast cell allergy model and found a strong connection between chamomile and reduced histamine release. Mast cells are the immune cells that store and release histamine when triggered, so stabilizing them is one of the most direct ways to keep histamine levels in check.
This doesn’t mean chamomile tea is a treatment for histamine intolerance. The concentrations of apigenin used in lab studies are typically higher than what you’d get from a cup of tea. But the anti-inflammatory and mast cell-stabilizing properties of chamomile suggest it’s working with you rather than against you, which is more than most beverages can claim on a low-histamine diet.
Other Benefits for Histamine-Sensitive People
Many people with histamine intolerance deal with digestive symptoms like bloating, cramping, and nausea after eating trigger foods. Chamomile has a long track record as a digestive soother, helping to calm spasms in the gastrointestinal tract. It also promotes sleep, which matters because poor sleep can worsen histamine-related symptoms by increasing overall inflammation.
If you’re looking for safe beverage options on an elimination diet, chamomile sits alongside rooibos and peppermint as commonly recommended choices. Water, of course, is the baseline, but having a warm drink that won’t trigger a reaction makes the restrictive phase of an elimination diet more manageable.
One Exception: Ragweed Allergy
There’s an important caveat that has nothing to do with histamine content. Chamomile belongs to the same plant family (Asteraceae) as ragweed and mugwort. If you have a ragweed or mugwort pollen allergy, your immune system can mistake proteins in chamomile for the pollen it’s already sensitized to. This is called cross-reactivity, and it triggers a true allergic response, complete with histamine release.
The symptoms of this allergic reaction can look a lot like a histamine intolerance flare: hives, swelling, throat tightness, or stomach upset. In rare cases, chamomile has caused anaphylaxis in people with strong ragweed sensitivity. Research using allergy testing confirmed that antibodies to ragweed and mugwort pollen cross-react with proteins found in chamomile tea extract.
If you know you’re allergic to ragweed and you’ve never had chamomile before, try a small amount first and wait. If you experience swelling, itching, or breathing difficulty, the issue is an immune-mediated allergy rather than histamine intolerance, and chamomile should be avoided entirely.
Freshness and Preparation Tips
Even with a naturally low-histamine tea like chamomile, preparation matters. Histamine levels in any food or drink can rise with time and improper storage. Brew your tea fresh each time rather than making a large batch and refrigerating it for days. Use dried chamomile that has been stored in a sealed container away from moisture, since mold contamination can introduce histamine into otherwise safe products.
Be cautious with flavored chamomile blends. Manufacturers often add ingredients like cinnamon, citrus peel, or dried fruit that may be histamine liberators or contain higher histamine levels. A plain chamomile tea, whether loose leaf or in a bag with no added flavoring, is your safest option. Check the ingredient list to make sure chamomile flowers are the only component.