Dairy is not among the recognized causes of acid reflux, but some people may still experience this symptom when eating dairy.
People who experience acid reflux after eating dairy products can instead opt for lower fat dairy options or alternatives to dairy.
In this article, we describe acid reflux. We also discuss the association between dairy and acid reflux.
Overview
People with heartburn may experience a burning sensation in the chest that moves up into the neck and throat.
This sensation is due to acid from the stomach rising into the esophagus, or food pipe.
The esophagus does not have the same protection as the stomach against acid and digestive enzymes, so contact with stomach juices can damage its lining.
People may have gastroesophageal reflux disease (GERD) if they experience:
- frequent heartburn symptoms
- chronic sore throat
- bad breath
- difficulty swallowing
- the feeling of food sticking in the throat or chest
Some people also get a sour or bitter taste in their mouth. This taste comes from the acid that has made its way to the back of the throat. Sometimes, symptoms can last for several hours.
The job of the lower esophageal sphincter is to keep the stomach contents from rising into the esophagus. If the sphincter becomes weakened, stomach juices can make their way into the esophagus and cause heartburn.
Relationship between dairy and acid reflux
Some foods can weaken the lower esophageal sphincter, making it easier for the contents of the stomach to reach the esophagus.
The American College of Gastroenterology’s clinical guidelines for the diagnosis and management of GERD do not list dairy as a cause of heartburn. However, high fat dairy products, such as whole milk and yogurt, can relax the sphincter, potentially leading to heartburn.
Other foods that can relax the lower esophageal sphincter include:
- onion
- garlic
- peppermint
- coffee
- chocolate
- fatty foods
- spicy foods
- fried foods
Some doctors recommend avoiding all foods that cause acid reflux. However, this may not be necessary as some people with heartburn can tolerate some of the foods on this list.
People who experience heartburn should keep track of the foods that cause their symptoms and avoid those foods.
Lactose intolerance
People with lactose intolerance have difficulty digesting the lactose in dairy products. If they eat these foods, they may experience:
- abdominal bloating
- abdominal pain
- nausea
- vomiting
People sometimes refer to these symptoms as heartburn, but the medical community does not consider acid reflux to be a symptom of lactose intolerance.
Possible health benefits
Many dairy products are healthful and make a great snack. They are also an excellent source of calcium and vitamin D.
However, people with heartburn may develop acid reflux symptoms after eating dairy because of its high fat content.
Individuals who are keen not to avoid dairy completely may find that replacing high fat dairy products with lower fat varieties helps reduce acid reflux.
Possible health risks
Avoiding dairy because it causes acid reflux may lead to deficiencies in the many nutrients that dairy provides. Therefore, experts do not recommend routinely avoiding dairy if it does not contribute to a person’s symptoms.
Low fat dairy can provide similar amounts of nutrients as high fat dairy options.
However, if a person does want to avoid dairy, many dairy alternatives are available in grocery stores. The person will need to take care to ensure that they are getting enough nutrients from other dietary sources.
Alternatives to dairy
People with lactose intolerance can reduce the amount of lactose in their diet by choosing low lactose or lactose-free dairy products.
Some people choose to avoid dairy altogether. People who either choose to avoid or cannot eat dairy must replace the nutrients that the elimination of dairy products has removed from their diet.
Dairy provides:
The following table, which takes its information from the 2015–2020 Dietary Guidelines for AmericansTrusted Source and the Office of Dietary Supplements, lists some dietary sources of these vitamins and minerals.
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| Protein | Calcium | Potassium | Magnesium | Vitamin D | Vitamin A |
| seafood | fortified, ready-to-eat cereal | potatoes | almonds | salmon | sweet potato with skin |
| meats | almond milk | prune juice | spinach | rainbow trout | beef liver |
| poultry | tofu | carrot juice | cashews | swordfish | spinach |
| eggs | calcium-fortified orange juice | passion fruit (yellow or purple) | peanuts | sturgeon | carrots |
| nuts | soy milk | tomato paste | shredded wheat cereal | whitefish | cantaloupe |
| seeds | sardines | beet greens | soy milk | mackerel | sweet red peppers |
| soy products | rice drink | adzuki beans | black beans | portabella mushrooms | mangoes |
| white beans | edamame | tuna | black-eyed peas | ||
| tomato puree | whole wheat bread | halibut | apricots | ||
| sweet potato | avocado | herring | broccoli |
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