The following symptoms and complaints may indicate lactose intolerance (lactose intolerance):
Leading symptoms (postprandial* /postmeal).
- Meteorism (flatulence/discharge of winds).
- Nausea (nausea)
- Diarrhea (diarrhea)
- Nonspecific abdominal pain (e.g., cramp-like discomfort).
Other possible symptoms or complaints:
- Cephalgia (headache)
- Chronic fatigue
- Weight loss [rare]
- Pain in the limbs [
- Depressive moods
- Inner restlessness
- Insomnia (sleep disorders)
- Concentration disorders
- Constipation (constipation) [rare].
* Due to the rapid gastrointestinal passage of carbohydrates, symptoms often begin after 30 minutes and may persist for up to 6-9 hours after food ingestion.
Warning signs (red flags)
- Fever
- Weight loss
- Blood loss
- Dysphagia (difficulty swallowing)
