As long as you follow the directions on the package, it’s safe and free of side effects. As a general rule, always ask your doctor about taking Midol. You can take the drug why is there diuretic in midol water. However, alcohol has many adverse health effects and should always be consumed in moderation. No sound human studies have proven their effects, however. Salt is a mineral needed for the body’s nerves and fluid levels. The patient may have an imperforate hymen or a serious glandular condition.