Several barriers can prevent adequate hydration: - Mobility Issues: Patients with limited mobility may find it difficult to access fluids. - Cognitive Impairments: Conditions like dementia can make it difficult for patients to recognize thirst or remember to drink. - Swallowing Difficulties: Dysphagia can make it hard for patients to consume enough fluids. - Nausea and Vomiting: These symptoms can reduce a patient's desire to drink.