This condition belongs to dry thirst caused by the application of drugs, the most common drugs are diuretics, such as hydrochlorothiazide, spironolactone, furosemide, etc. In addition, anticholinergics, such as atropine, are also applied during surgery, which can reduce salivary gland secretion and can also cause dry thirst symptoms.
This is usually relieved 2-3 hours after stopping the medication after surgery and can be relieved by wetting the lips with a cotton swab dipped in water.
In addition, routine post-operative rehydration can also be effective in relieving dryness and thirst.