Fructose and lactose are two sugars people are commonly intolerant to. Lactose intolerance affects more people than fructose intolerance, and is usually easily treated. Lactose intolerance is the body's inability to process sugar commonly found in dairy products, the Mayo Clinic explains, due to a lack of the lactase enzyme. Fructose intolerance, meanwhile, stems from the body's lack of the aldolase B enzyme, and could lead to serious medical complications. Both conditions cause gastrointestinal issues, such as bloating, vomiting and abdominal pain.
About Fructose Intolerance
Fructose intolerance is not very common and is typically hereditary, according to MedlinePlus, a service of the National Institutes of Health. Fructose is the sugar found in fruits, and is also commonly used as an additive to beverages and foods. Most table sugar is made from fructose and should be avoided by those suffering from fructose intolerance. The body is unable to properly break down the sugar, leading to a build-up of toxic chemicals in the liver and kidneys.
About Lactose Intolerance
Most people are deficient in lactase, the Mayo Clinic explains, but only people with significant signs and symptoms are considered lactose intolerant. Three conditions cause lactose intolerance: Some people are born lacking the lactase enzyme; some develop the condition as a result of an injury; others develop the condition due to the natural aging process. Someone with lactose intolerance should avoid diary products.
Symptoms
Common symptoms of fructose intolerance are convulsions, jaundice, sleepiness, vomiting, abdominal pain and a drop in blood sugar, according to MedlinePlus. Symptoms of lactose intolerance are bloating, stomach cramping, diarrhea and vomiting. Lactose intolerance is rarely harmful but does make sufferers feel very uncomfortable.
Fructose Treatment
The only viable treatment for fructose intolerance is to avoid consuming products with fructose or sucrose in them, according to MedlinePlus. This would include sodas, fruit, fruit juices, table sugar, honey and foods containing refined sugars. Use artificial or natural sweeteners in place of fructose; consult your doctor for any other specific recommendations.
Lactose Treatment
Lactose intolerance treatment begins by avoiding the consumption of the sugar, mainly by removing dairy consumption. Use milk alternatives, such as soy-, rice- or almond-based products. Some people find relief by taking a lactase enzyme supplement. The supplement provides the body with the enzyme, preventing the common signs and symptoms of lactose intolerance. This approach does not work for everyone; talk with a doctor before using any supplements.
Consideration
Only a doctor can properly diagnose the condition. Do not attempt to self-diagnose or self-treat common symptoms of fructose or lactose intolerance.
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