What is Dehydration?
Dehydration occurs when the body’s fluid content drops, and the amount of liquid taken in does not cover what is lost. This disrupts the body’s water and electrolyte balance, which can lead to various symptoms.
Dehydration in loved ones with dementia is common and often develops unnoticed. There can be several reasons behind it:
- They don’t drink enough fluids
- They refuse liquids
- They forget to drink
- They don’t feel thirsty
- They have difficulty swallowing
- Side effects of medication
- Various underlying conditions, such as diabetes
Certain situations can make dehydration even worse and cause it to set in faster. For example, vomiting or diarrhea can cause the body to lose a significant amount of fluid in a short time. Additionally, hot weather increases fluid loss.
There are several levels of dehydration. It can be mild, where symptoms are less noticeable; moderate, when clear signs appear; or severe, which poses a serious health risk and requires immediate intervention.
Signs of Dehydration May Include:
- Fatigue
- Dry skin and mouth
- Sleepiness
- Difficulty concentrating
- Dizziness
- Darker, more concentrated urine
- Less frequent urination
- Headaches
- In severe cases, loss of consciousness
Dehydration can be a serious, life-threatening condition. Please seek medical help immediately if your loved one with dementia drinks very little or if you notice signs of dehydration!
Principles of Hydration
Hydration principles are especially important for someone with dementia, as they often don’t signal thirst or ask for a drink on their own.
1. Consistency
It is vital to offer fluids regularly throughout the day. Ensuring proper hydration is not their responsibility, but ours, as they likely won’t ask for a drink. It’s worth building this into the daily routine—you could even set a timer. For example, offer a drink or a high-water-content food every two hours.
2. Frequent Small Amounts
Loved ones with dementia are often unable to consume a large amount at once, such as a full glass of water. They usually prefer small sips. Therefore, instead of giving a lot at once, offer small amounts frequently. Regular, tiny sips help ensure enough fluid gets into their system.
3. Considering Individual Needs
Everyone is different, so it’s important to keep individual preferences in mind. Some prefer fruits, which also have high water content. Others might enjoy soup or perhaps water with a bit of syrup or squash. If you know your family member’s tastes, it’s easier to offer fluids or foods they will gladly accept.
The Hidden Danger in Dementia Care: Why Your Loved One Might Stop Drinking –
Communication and Motivation
Ensuring proper fluid intake for someone with dementia is not just a physical task but a communication one as well. Hydrating them is often more than just “offering”; it requires a conscious, empathetic approach where tone of voice, body language, and patience play key roles.
How to offer fluids?
It is important not to phrase it as a question (“Would you like a drink?”), as this often triggers an automatic refusal. Instead, offer it specifically and naturally: “Here is some water, let’s have a sip.” Keep liquids within easy reach, clearly visible, and preferably in a cup that your loved one likes to use. A calm environment and a slow, unhurried pace also help.
Verbal and Non-verbal Techniques
In communication, it’s not just what you say, but how you say it. A calm, kind tone provides a sense of security. Use short, simple sentences. Non-verbal cues—like a smile, eye contact, and encouraging gestures—strengthen trust. It can also help to demonstrate the action; for example, take a sip yourself to set an example.
Handling Resistance
Refusal is common. In these cases, it isn’t worth forcing the issue or arguing. Instead, try again later, perhaps in a different form or by offering a different drink. Behind the resistance, there may be fear, mistrust, or confusion. Patience and flexibility are key here.
Positive Reinforcement
Every small success counts. If someone with dementia drinks even just a few sips, it’s worth giving immediate positive feedback with a kind word, a smile, or encouragement. This reinforces the behavior and increases the chance they will accept fluids next time.
Tracking Fluid Intake
Tracking the fluid intake of loved ones with dementia is crucial since they cannot reliably report how much they’ve had. Simple, easy-to-follow logging can help you notice in time if their intake is insufficient.
Simple Logging Methods
The most important thing is not to overcomplicate it. A simple tally on a piece of paper is perfectly fine. For example, you can draw a line for every half-glass of fluid consumed. It’s also worth noting foods with high water content, like soups, fruits, or even jelly. You can track these with a separate note to get a fuller picture of the daily intake.
How much is enough?
Generally speaking, an adult needs a daily intake of at least 1.5 liters of fluid. This doesn’t just mean drinks; it includes foods with high water content, too. However, keep in mind that individual health conditions, weight, or other medical factors may change this amount.
Simple Measurement Techniques at Home
You don’t need complex tools at home. One of the simplest methods is to always use the same cup, so you know exactly how much it holds (e.g., 200 ml). This makes it easy to calculate how much was consumed during the day. You can also use a measuring jug or a water bottle with markings. Another practical solution is to measure out the daily amount into a pitcher in the morning and serve from that throughout the day—this way, you can clearly see how much is left.
The key is simplicity and consistency: the easier the system is to manage, the more likely it is to work in the long run.
Small daily victories lead to long-term peace. This post is part of our Daily Care & Safety-Practical Guides for Dementia Caregivers – Dementia in practiceresource center, where we share creative techniques for hygiene, medication, and creating a secure home environment. Discover more practical guides to make your daily routine smoother.
Important Disclaimer
The information and advice presented on this website and in this article are for informational purposes only. They do not constitute a medical diagnosis or individual therapeutic recommendations. The operator/author of the website assumes no liability for any direct or indirect damages, health issues, or misunderstandings resulting from the use of this information. Everyone applies the described methods at their own risk. Please consult your physician before making any lifestyle changes or applying any complementary therapies.
About the Author
Zsuzsa Szatmári – Dementia Caregiver, Mental Health Assistant
I have more than 12 years of practical experience in caring for elderly people and patients living with dementia. My goal is to translate knowledge about dementia into understandable, practical advice that can be applied in daily life, thereby helping families live together with the disease. As the author of several professional books and the founder of a popular Facebook page, my mission is to provide clear and, above all, usable guidance to all those who care for loved ones living with dementia.