If you eat too much watermelon it may lead to digestive issues, and you may face problems like bloating, gas, or diarrhoea.
Although watermelon has a high water content, it may lead to dehydration if you consume it a lot as the body starts losing a huge amount of fluid through urine.
Watermelon should be eaten in moderation during pregnancy. Women with gestational diabetes should avoid eating it.
Watermelon contains natural sugar in good amount. So diabetics should consume it in a limited amount.
Watermelon can cause allergic reactions, like itching and swelling of the throat, to some people.