How to Hydrate Someone Who Won’t Drink

Water is fundamental to nearly every bodily function, maintaining body temperature and joint lubrication. When a person refuses to drink due to illness, decreased mental status, or advanced age, the body’s fluid balance rapidly declines, leading to dehydration. This problem is particularly serious for vulnerable individuals like infants and the elderly, who have a reduced ability to regulate fluid levels or may not recognize thirst cues. Creative solutions are necessary to gently coax fluids into someone resistant to conventional drinking methods.

Assessing the Need for Urgent Action

Before attempting home rehydration, determine the severity of fluid loss, as severe dehydration requires immediate medical care. Mild to moderate dehydration typically presents with increased thirst, a dry or sticky mouth, and reduced urine output that appears dark yellow. In children, mild signs include fewer wet diapers or less frequent trips to the bathroom.

Moderate dehydration is indicated by a lack of tears when crying, sunken eyes, skin that is slow to flatten when pinched (poor skin turgor), and an increased heart rate. If a person displays signs of severe dehydration, such as confusion, extreme lethargy, an inability to wake up, or a very rapid heart rate and breathing, seek emergency medical help right away. These severe symptoms suggest the body’s circulatory function is compromised and oral rehydration is no longer sufficient.

Practical Oral Strategies for Encouraging Intake

When a person is mildly or moderately dehydrated but can still swallow safely, the goal is to administer small, frequent amounts of fluid to avoid triggering nausea or vomiting. The “sip-by-sip” method involves giving very small volumes of liquid every few minutes. A typical recommendation is to start with 5 milliliters (about one teaspoon) every five minutes, gradually increasing the volume as the person tolerates it.

Delivery is best accomplished using a medicine dropper or a small oral syringe, bypassing the psychological barrier of a large glass of fluid. When using a syringe, aim the liquid towards the inside of the cheek, not the back of the throat, to prevent choking and encourage natural swallowing. Slightly chilled liquids, such as an oral rehydration solution, are often better received than room-temperature fluids and can be soothing to a dry mouth. Offering liquids through a brightly colored straw or a novelty cup can sometimes make the process more engaging for a resistant child or an adult with cognitive impairment.

Hydration via High-Water Foods and Specialized Products

When direct liquid intake is difficult, utilizing foods with high water content can contribute to hydration. Fruits and vegetables such as cucumber (around 96% water), lettuce (96%), and watermelon (92%) are excellent options because their fluid is bound within a solid matrix. Broth-based soups, gelatin, or popsicles made from rehydration solutions offer a palatable, semi-solid route for fluid and electrolyte delivery.

Specialized oral rehydration solutions (ORS) rehydrate the body more effectively than plain water or sugary drinks. These products contain a precise balance of sodium and glucose, which optimize water absorption in the small intestine. In contrast, high-sugar drinks like juice or sports drinks can have too much sugar and too little sodium, creating an osmotic effect that pulls water into the gut, potentially worsening diarrhea and fluid loss. Electrolyte freezer pops, which are frozen ORS, are useful because the cold can soothe a sore throat or calm a nauseous stomach while providing the necessary electrolytes.

When Home Efforts Fail: Seeking Medical Intervention

If home rehydration efforts are unsuccessful and the person’s condition deteriorates toward moderate or severe dehydration, medical intervention becomes necessary. The most common and rapid method for correcting fluid deficit in a clinical setting is intravenous (IV) fluid administration. An IV line is inserted into a vein, and fluids, typically isotonic solutions like 0.9% sodium chloride or Lactated Ringer’s solution, are delivered directly into the bloodstream to restore circulating volume.

In cases where a patient is refusing to drink but is not severely dehydrated enough for an immediate IV, or if vomiting is persistent, medical staff may use a nasogastric (NG) tube. This small, flexible tube is passed through the nose and down into the stomach, allowing for the slow, continuous administration of oral rehydration solution without requiring the patient’s cooperation. Diagnosis of the underlying cause of the refusal to drink is also addressed, as it may be related to an infection, medication side effects, or a deeper medical issue.