Honey is not safe for babies under one year old 2. It can cause allergies in people who are allergic to beeswax, pollen or other pollens. 3. It doesn't dissolve easily in hot water and tends to stick to the inside of the cup or bottle, making it difficult to clean. 4. Honey contains a lot of sugar and calories, so you should use it sparingly or in moderation if you have diabetes or high blood sugar levels. 5. Eating too much honey can cause diarrhea, bloating and flatulence due to its high fructose content.