Yes, you can drink distilled water, and it is not considered unsafe in the short term. It is purified and free of contaminants, so it can be used for drinking when needed.
However, distilled water does not contain minerals like calcium and magnesium that are normally found in regular drinking water. Some research suggests that drinking very low-mineral water over long periods may affect mineral balance in the body and could be linked to changes in cardiovascular and bone health.
Most concerns are related to long-term, exclusive use rather than occasional consumption. For example, relying only on distilled water for hydration over time may reduce your intake of beneficial minerals that usually come from water sources.
If you choose to drink distilled water, it is best to maintain a balanced diet that provides enough minerals. For long-term hydration, regular drinking water is generally preferred. If you have specific health concerns, consider speaking with a primary care provider or a registered dietitian before making changes to your daily water intake.