Navigating Lactose Intolerance: When Lactose-Free Dairy Still Causes Diarrhea

Living with lactose intolerance can be challenging, especially when you experience digestive issues after consuming what are supposed to be lactose-free dairy products. This article explores possible underlying issues and provides guidance on how to manage your condition more effectively.

Is It Lactose Intolerance or a Milk Protein Allergy?

First and foremost, it’s important to confirm that you are indeed lactose intolerant and not allergic to milk proteins. Many people confuse lactose intolerance with a milk protein allergy, but these are two different conditions. Contact your healthcare team for a proper diagnosis and tailored advice.

Protein vs. Sugar Intolerance

One common misconception is that lactose intolerance and milk protein allergy manifest in the same way. However, if you experience similar reactions to both goats' milk and sheep's milk, you are likely having an issue with milk proteins rather than lactose.

Food Label Misinterpretation

In the United States, food manufacturers are allowed to label a product as lactose-free if it contains less than 0.5 grams of lactose per serving. This threshold is adequate for individuals with mild lactose intolerance, but it may still cause gastrointestinal troubles for those with more severe sensitivity. If a lactose-free product causes you diarrhea, it’s best to avoid it.

Lactose Intolerance vs. Milk Protein Allergy

Lactose intolerance specifically refers to the inability to digest lactose, a sugar found in milk. In contrast, a milk protein allergy is an immune system reaction to the proteins in milk. People with a milk protein allergy should avoid casein, rennet, curds, and whey, which can be present in other foods as well.

Consultation with Specialists

For a definitive diagnosis and management plan, consult an allergist or a gastroenterologist. They can perform appropriate tests such as blood tests and colonoscopies to determine the underlying issue. Your GI doctor may recommend regular colonoscopies, particularly if you are over 50 years old.

Conclusion:

While lactose-free products are designed to cater to those with lactose intolerance, they may not be suitable for everyone. It’s crucial to consult healthcare professionals to understand whether your symptoms are due to a milk protein allergy or lactose intolerance. By working with medical experts, you can achieve better management and navigate the challenges of dairy-free living.