You can’t drink cola during menstruation because cola is a carbonated beverage that can easily affect the absorption of calcium and iron, which can easily lead to calcium and iron deficiency. Calcium deficiency can cause discomfort such as weak legs, back and leg pain, and iron deficiency can easily lead to iron-deficiency anemia, which can aggravate the phenomenon of anemia during menstruation. Drinking cola during menstruation will cause a feeling of fullness, causing bloating, affecting the appetite, affecting the absorption of nutrients, will lead to menstruation of the body resistance is lowered, the sugar content of cola is relatively high, diabetic patients drink, easy to elevate the blood glucose, caused by the symptoms of discomfort, cola contains caffeine, easy to excitation of the brain, caused by insomnia, aggravate menstrual discomfort, etc.. It is best to drink some fresh fruit juice during menstruation to supplement the body’s need for vitamins, fiber, which can enhance physical fitness, but also alleviate constipation, you can drink some brown sugar and ginger water, warm menstruation to dispel the effects of cold, but also promote the discharge of menstrual blood, can relieve menstrual cramps, you can go to bed, drink some warm milk, can improve sleep.