Chamomile tea won’t directly lower a fever, but it can support your body’s recovery in meaningful ways. No clinical trials have shown that drinking chamomile tea reduces body temperature the way a standard fever reducer does. What chamomile does offer is mild anti-inflammatory activity, comfort, and hydration, all of which matter when you’re fighting off an illness.
What Chamomile Actually Does in Your Body
Chamomile contains compounds that dial down inflammation at a cellular level. Lab research published in the International Journal of Molecular Medicine found that chamomile extract blocks a key inflammatory signaling pathway in immune cells. Specifically, it reduces the production of nitric oxide and suppresses several inflammatory messengers that your immune system releases during infection. This effect was dose-dependent: more chamomile meant greater suppression of the inflammatory response.
That inflammatory response is exactly what drives a fever. When your body detects an infection, immune cells release signaling molecules that tell your brain to raise your internal thermostat. By tamping down some of that signaling, chamomile could theoretically ease the process. But there’s a big gap between what happens in a petri dish of immune cells and what happens when you drink a cup of tea. The concentrations used in lab studies are far higher than what ends up in your bloodstream from a mug of chamomile. So while the anti-inflammatory mechanism is real, its fever-lowering power in practice is modest at best.
Why Hydration Matters More Than You Think
The most practical benefit of chamomile tea during a fever is simple: it’s warm liquid. Fever increases your body’s water loss through sweat and faster breathing. Dehydration makes you feel worse, can raise your heart rate, and slows recovery. Drinking fluids is one of the most important things you can do when you’re feverish, and warm herbal tea is easier to sip steadily than cold water when you’re dealing with chills.
Chamomile tea is caffeine-free, which matters. Caffeinated drinks act as mild diuretics, meaning they push fluid out of your body faster. Chamomile doesn’t have that drawback. It also has a mild sedative quality that can help you relax and sleep, and sleep is when your immune system does its heaviest repair work. Aim for at least eight glasses of fluid a day when you have a fever, mixing water with herbal teas or electrolyte drinks to keep up your intake.
What Chamomile Tea Won’t Do
If your fever is high or climbing, chamomile tea is not a substitute for proper fever-reducing medication. Standard over-the-counter options work by directly blocking the chemical signals that raise your body’s temperature set point. Chamomile does not do this reliably enough to count on. Think of it as a supportive measure: it keeps you hydrated, may ease mild inflammation, and helps you rest. It’s a good teammate, not a replacement.
It’s also worth noting that a low-grade fever (below about 102°F or 38.9°C in adults) is your immune system working as designed. You don’t always need to bring it down aggressively. Staying comfortable, resting, and drinking plenty of fluids, chamomile tea included, is often enough for mild fevers that accompany common colds and similar illnesses.
Safety Considerations
Chamomile is generally safe for adults and children when consumed in normal amounts over the short term, according to the National Institutes of Health. Side effects are uncommon but can include nausea, dizziness, and allergic reactions. If you’re allergic to ragweed, chrysanthemums, marigolds, or daisies, you’re more likely to react to chamomile since they’re all in the same plant family. Severe allergic reactions, including anaphylaxis, are rare but have been reported.
For infants and very young children, be cautious. Babies under three months with any fever of 100.4°F (38°C) or higher need medical evaluation regardless of home remedies. Between three and six months, a temperature above 102°F (38.9°C), or a lower one paired with unusual irritability or sluggishness, warrants a call to their pediatrician. Chamomile tea is not a first-line response for infant fevers.
When a Fever Needs More Than Tea
A temperature of 103°F (39.4°C) or higher in an adult calls for medical attention. The same applies if your fever comes with any of these: severe headache, stiff neck, rash, confusion, persistent vomiting, difficulty breathing, chest pain, abdominal pain, pain during urination, or seizures. A fever lasting more than three days also needs professional evaluation, even if it stays relatively low. These are signs that whatever is causing the fever may need targeted treatment beyond what rest and fluids can provide.
For everyday fevers from colds, flu, or minor infections, chamomile tea is a sensible addition to your recovery routine. It keeps fluids coming in, delivers mild anti-inflammatory compounds, and helps you settle into the rest your body needs. Just don’t expect it to replace medication when a fever is serious or persistent.