**Early Warning Sign: Loss of Smell May Precede Parkinson's Symptoms**

**Early Warning Sign: Loss of Smell May Precede Parkinson's Symptoms**
**Early Warning Sign: Loss of Smell May Precede Parkinson's Symptoms**

One symptom of Parkinson's disease can show up several years before other symptoms develop, according to NHS experts.

Parkinson's is a condition in which parts of the brain become progressively damaged over many years. The main symptoms are involuntary shaking of particular parts of the body (tremor), slow movement, stiff and inflexible muscles.

People can also experience a wide range of other physical and psychological symptoms. The NHS says: "The symptoms of Parkinson's disease usually develop gradually and are mild at first.

"There are many different symptoms associated with Parkinson's disease. But the order in which these develop and their severity is different for each individual. It's unlikely that a person with Parkinson's disease would experience all or most of these."

The NHS has a list of symptoms to be aware of. It also says that a loss of sense of smell (anosmia) can "sometimes occurs several years before other symptoms develop".


According to the NHS, the main symptoms of Parkinson's disease affect physical movement:

  • tremor – shaking, which usually begins in the hand or arm and is more likely to occur when the limb is relaxed and resting
  • slowness of movement (bradykinesia) – physical movements are much slower than normal, which can make everyday tasks difficult and result in a distinctive slow, shuffling walk with very small steps
  • muscle stiffness (rigidity) – stiffness and tension in the muscles, which can make it difficult to move around and make facial expressions, and can result in painful muscle cramps (dystonia)


Physical symptoms

  • balance problems – these can make someone with the condition more likely to have a fall and injure themselves
  • loss of sense of smell (anosmia) – sometimes occurs several years before other symptoms develop
  • nerve pain – can cause unpleasant sensations, such as burning, coldness or numbness
  • problems with peeing – such as having to get up frequently during the night to pee or unintentionally peeing (urinary incontinence)
  • constipation
  • an inability to obtain or sustain an erection (erectile dysfunction) in men
  • difficulty becoming sexually aroused and achieving an orgasm (sexual dysfunction) in women
  • dizziness, blur

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