Chamomile tea does help relieve several types of stomach pain, and the evidence goes beyond folk wisdom. The plant contains compounds that directly relax the smooth muscles lining your digestive tract, which makes it genuinely useful for cramping, bloating, and gas. It won’t fix every kind of abdominal pain, but for the most common culprits, it’s one of the better home remedies available.
How Chamomile Eases Digestive Pain
Chamomile flowers contain over 120 active compounds, but a handful do the heavy lifting for your gut. The key players are apigenin (a flavonoid), bisabolol, and chamazulene. These compounds work together to block calcium from entering the smooth muscle cells that line your intestines. Since calcium is what triggers those muscles to contract, blocking it has a direct antispasmodic effect. Your gut literally relaxes.
That’s not the only pathway at work. Chamomile also stimulates the release of nitric oxide, a molecule that signals smooth muscle to loosen up. The combined effect is a two-pronged muscle relaxant: it stops contractions from starting and actively promotes relaxation in tissue that’s already tense. This is why chamomile helps with the crampy, squeezing kind of stomach pain rather than, say, the burning pain of an ulcer.
What Types of Stomach Pain It Works For
Chamomile is most effective for pain driven by muscle spasms, gas, and bloating. If your stomach hurts because you ate too fast, feel gassy after a meal, or have general abdominal cramping, it’s a reasonable first option. In one clinical study, chamomile reduced severe flatulence by 75% over four weeks of regular use. Patients with irritable bowel syndrome saw significant improvements in abdominal pain, bloating, stool consistency, and difficulty with bowel movements within the first two weeks, with continued relief through the fourth week.
Chamomile also appears to help with menstrual cramps, which share a similar mechanism (smooth muscle spasms, just in the uterus instead of the intestines). A systematic review found chamomile was more effective for pain relief than both placebo and mefenamic acid, a common anti-inflammatory drug used for period pain. In one trial, women taking 250 mg of chamomile every eight hours for two menstrual cycles reported significantly less pain intensity.
For acid reflux, the picture is less clear. Chamomile has anti-inflammatory properties that could theoretically soothe an irritated esophagus, and some people find it helpful when taken after meals or before bed. But no clinical trials have directly measured its effect on acid reflux symptoms. If reflux is your main issue, it’s worth trying, but don’t expect the same reliable results as you’d get for cramping or gas.
Chamomile vs. Peppermint for Stomach Issues
Peppermint tea is the other go-to for digestive discomfort, and it works through a different mechanism. Both relax gut muscles, but peppermint is better suited for problems lower in the digestive tract, like intestinal cramping and IBS symptoms. Chamomile is the gentler, more versatile option. One important distinction: peppermint can actually make acid reflux worse because it relaxes the valve between your esophagus and stomach, allowing acid to creep upward. If you have any tendency toward heartburn, chamomile is the safer choice.
How to Brew It for Maximum Effect
The medicinal compounds in chamomile are volatile oils, meaning they need enough heat and time to release into the water but can degrade if you overdo it. Use water just below boiling, around 200°F (93°C), and steep for 5 to 10 minutes. A shorter steep gives you a milder, more pleasant-tasting cup but extracts fewer active compounds. A full 10-minute steep pulls out more of the essential oils and flavonoids that do the actual work on your gut. Cover the cup while steeping to keep the volatile oils from escaping with the steam.
For ongoing digestive issues like IBS or chronic bloating, the research suggests consistency matters more than any single cup. The studies showing significant symptom relief used chamomile daily over two to four weeks. One cup when your stomach hurts can help in the moment, but regular use produces stronger, more lasting results.
Infant Colic
Chamomile has a long history of use for colicky babies, and there’s some clinical support for it. In one trial, an herbal tea containing chamomile, fennel, and lemon balm eliminated colic in 57% of infants, compared to 26% on placebo. Most studies use chamomile as part of a blend rather than alone, so it’s hard to isolate its individual contribution. These formulas were tested in infants aged 3 to 16 weeks. If you’re considering chamomile for a baby, use a commercially prepared infant formula rather than homemade tea, since concentration control matters at that age.
Who Should Be Cautious
Chamomile belongs to the same plant family as ragweed, mugwort, and chrysanthemums. If you’re allergic to any of these, there’s a real risk of cross-reactivity. In a study of 14 patients with chamomile sensitivity, 10 had immediate allergic reactions, some of them life-threatening. Eleven of the 14 were also sensitized to mugwort pollen, and eight to birch pollen. The risk of chamomile allergy is likely underestimated because people don’t think of herbal tea as a potential allergen. If you have known pollen allergies, especially to mugwort or ragweed, start with a small amount and watch for itching, swelling, or breathing difficulty.
Chamomile also contains natural coumarins, compounds that can thin the blood. For most people this is insignificant, but if you take warfarin or another blood thinner, it’s a genuine concern. At least one case report documented a patient on warfarin who developed multiple internal hemorrhages after regularly consuming chamomile tea and using chamomile lotion. The interaction isn’t fully proven, but the theoretical basis is strong enough to warrant caution. If you’re on blood thinners, talk to your pharmacist before making chamomile a daily habit.