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10 early symptoms of Parkinson's disease

You may know the condition can cause shakes, but would you recognise any other telltale symptoms? Liz Connor asks an expert to explain

Warning signs: Parkinson’s causes stiff muscles and inflexibility which can make some everyday tasks more difficult
Warning signs: Parkinson’s causes stiff muscles and inflexibility which can make some everyday tasks more difficult

Around 1 in 500 people in the UK are affected by Parkinson's disease, but many of us are still in the dark when it comes to spotting the symptoms, whether in a loved one or ourselves.

Katie Goates, communications manager at Parkinson's UK, explains just 10 potential signs of Parkinson's...

1. Reduced sense of smell

While a reduced sense of smell doesn't mean you'll necessarily develop Parkinson's, the majority of patients report this.

"You might notice that your sense of smell is not as strong as it was or has disappeared." says Goates. "For example, you may struggle to smell your favourite foods." A loss of smell can sometimes occur several years before other symptoms develop.

2. Disturbed sleep

Tossing and turning all night? "Changes in your sleep pattern might be another early sign of Parkinson's," warns Goates.

"Sleep and night-time problems are common and can affect you at any stage of the condition, leaving you feeling tired and drowsy during the day."

Goates says people with Parkinson's can be more prone to insomnia as the accompanying symptoms such as tremor, stiffness, pain and restless legs syndrome, can all disturb sleep.

As sleeping problems can also be caused by mental health problems, like stress, anxiety and depression, it's worth consulting your GP to get to the root of the cause.

3. Constipation or frequent urination

Bowel problems such as cramps, bloating, diarrhoea and constipation are common, but any change to your toilet habits, particularly if you see blood in your bowel movements, should be reported to your GP.

"If you have Parkinson's, you may be more likely to have problems with your bladder or bowels than people of a similar age without the condition," says Goates. "Signs of an overactive bladder, such as needing to urinate immediately without warning, or needing to go frequently during the night, are the most common symptoms of people with Parkinson's.

"These may happen because messages from the brain giving the bladder instructions aren't getting through properly."

4. Depression

Goates says: "Depression is usually diagnosed when someone has feelings of extreme sadness or a sense of emotional emptiness for a long time."

It's more than a temporary feeling of sadness, unhappiness or frustration after a rough day at work or a financial setback.

"There are several possible explanations for why people with Parkinson's might get depression, and it is often difficult to get diagnosed because its symptoms can be very common and be related to many other factors, including genetics, stress, diet and loneliness."

5. Anxiety

Feelings of unease, worry and fear can also strike during the onset of Parkinson's. And this isn't simply a reaction to the diagnosis but is a key part of the disease itself, caused by changes in the brain.

Anxiety is often a natural reaction to situations we find threatening or difficult and there are several ways of managing it, says Goates.

"People with anxiety may experience some emotional symptoms, including a sense of dread, constant worry or have difficulty concentrating. You may also experience physical symptoms if you're feeling anxious. These may include sweating, pounding or racing heart (palpitations), feeling breathless, dizziness or trembling."

6. Tiredness

Feelings of fatigue that don't go away, however much you rest, can be one of the earliest signs of Parkinson's.

"You may feel quite fit and able one day, and then too fatigued to do much the following day," notes Goates. "If you're working, for example, you may feel much more exhausted in the evenings than you used to, and may not have the energy for anything else."

7. Tremor

"Tremor is one of the main symptoms of Parkinson's and is an uncontrollable movement that affects a part of the body," says Goates.

"Typically, a Parkinson's tremor starts in the hand before 'spreading' to the rest of the arm, or down to the foot on the same side of the body."

Goates says that while there is no cure for a tremor, there are ways to manage the symptoms, so it's better to get a diagnosis as early as possible.

8. Slowness of movement

Everyday tasks, such as paying for items at the supermarket or walking to a bus stop, might take you longer with Parkinson's.

"Slowness of movement, which is medically referred to as 'bradykinesia', may mean it takes you longer to do things," says Goates. "For example, you might struggle with co-ordination, your walking speed may slow down, or it may become more like a shuffle."

9. Difficulty turning over in bed

Stiffness and tension in the muscles, which can make it difficult to move around and make facial expressions, is a really common symptom.

"Rigidity can stop muscles from stretching and relaxing, it can be particularly noticeable, for example, if you struggle to turn over or get in and out of bed," advises Goates.

"Because it causes stiff muscles, inflexibility or cramps, people with Parkinson's also notice it can make it hard to do things like writing, doing up buttons or tying laces."

She says a specialist may observe or ask you about your experiences with any of these movement issues. "A simple task they may ask you to do is walk around the room, so they can observe if there is a reduction in the natural swing of your arm."

10. Small handwriting

Parkinson's causes changes in the brain, and many people with the condition can find that their movements become smaller and less forceful.

A good example is that you may find your writing is smaller than it previously was, or gradually gets smaller as you write.

If you're concerned that you may be experiencing symptoms of Parkinson's disease, see your GP - if only to rule it out and put your mind at ease. Your GP may refer you to a specialist for further tests.

For advice, information and support, visit or call Parkinson's UK's free confidential helpline on 0808 800 0303

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