Symptoms of Lactose Intolerance

Lactose intolerance isn't an allergy. It is a common digestive condition where your body has difficulty processing lactose, a type of sugar found in dairy products like milk and cheese. If you have it, you'll usually develop symptoms such as bloating, flatulence, and occasionally pain within an hour or so of eating. It's a common misconception that bloating or stomach aches are just a normal part of drinking milk.

Feeling bloated is incredibly uncomfortable and can make even basic daily tasks a struggle. While it's a common part of life, it isn't something you have to deal with constantly. If you notice you're regularly feeling puffed up after eating dairy, your body might be trying to tell you it's intolerant to lactose.

Flatulence is embarrassing, even if it is a natural biological process. Usually, it's a way for the body to relieve pain and bloating, but that isn't always the case with lactose. If you're intolerant, passing gas might not actually fix that heavy, bloated feeling. There is also the displeasure of the specific, sharp scent that lactose gas tends to produce.

Stomach cramps often go hand-in-hand with bloating and gas. When your body struggles to digest lactose, it can feel like your intestines are twisting into knots. A practical way to help move trapped gas through is to give yourself a light abdominal massage. Try rubbing your stomach in clockwise circles to help guide food and air through your system toward the colon.

Lactose-related diarrhea is different from the kind caused by a poor diet; it's actually related to osmosis. This is the spontaneous movement of water between your bodily tissues. While it might feel like the body is trying to alleviate bloating, the discomfort and embarrassment it causes usually don't feel like a fair trade.

Gastrointestinal issues frequently lead to a queasy stomach. Because most lactose symptoms hit the digestive system hard, some people feel genuinely nauseous after eating dairy. If this happens to you, try to sip some water and wait for the feeling to pass. It usually will, it just takes a little time.

Symptoms don't always stay in the digestive tract. Headaches and migraines are uncommon but real side effects for some. You might even experience a sense of light-headedness shortly after consuming dairy, which is often the first sign that a headache is on the way.

If you're lactose intolerant, you might notice strange gurgling sounds coming from your midsection. This is a normal part of the path of digestion for everyone, but with an intolerance, those stomach rumbles can be a reliable precursor to a bad case of gas or diarrhea.

Vomiting is a rare symptom, and you're more likely to experience it if you're already prone to motion sickness or a sensitive stomach. However, it can and does happen. If you feel like you're going to throw up after having dairy, you might actually feel a sense of physical relief afterward.

Fatigue is a symptom of almost every disorder, but it's worth watching here. If you feel extreme, crashing fatigue after eating dairy, it's more likely that you have a milk allergy than lactose intolerance. That said, intolerance can still play a role; if your gastrointestinal symptoms are painful enough to interrupt your sleep, that explains the exhaustion the next day.