Understanding Summer Constipation: The Desertification of Intestines and Heatstroke Risk

The Link Between Summer Heat and Intestinal Issues

As the temperatures rise during summer, many individuals report experiencing digestive discomfort and challenges with bowel movements. According to Dr. Tsunemitsu Matsuura, the head physician at Matsuura Clinic and a specialist in gastrointestinal diseases, summer is a season prone to constipation due to factors like decreased appetite and dehydration.

In a survey conducted by Taisho Pharmaceutical in July 2026, which involved 1,000 men and women over 20 years old, about 20% of participants admitted to feeling more constipated in summer (between June and September) compared to other seasons. Specifically, 7% indicated they felt