If the proportions of these electrolytes in the blood and tissue are out of balance, the body does not function as it should, which could result in abnormally slow breathing. Too much or too little water can cause electrolyte imbalances.

Can dehydration cause tachypnea?

Tachypnea also can be a response to fever, dehydration, or metabolic acidosis.

How does dehydration affect respiratory rate?

Dehydration: Dehydration can increase breathing rate as the body tries to get energy to the cells.