Parkinson’s disease is often associated with visible symptoms like tremors or stiffness. However, what many people don’t realise is that the condition can begin years before these motor symptoms appear. In its early stages, Parkinson’s often presents through subtle, non-motor signs that are easy to miss, dismiss, or misattribute to everyday stress, ageing, or lifestyle changes.
One of the earliest and most overlooked symptoms is a reduced sense of smell. Many individuals report difficulty identifying familiar scents long before any physical signs emerge. Similarly, sleep disturbances can serve as an early indicator. Conditions like REM sleep behaviour disorder, where individuals act out their dreams, may appear years ahead of diagnosis.
While these symptoms may not seem alarming in isolation, their persistence can point to underlying neurological changes.
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Mood-related changes are another key early sign. Feelings of depression, anxiety, or a general lack of motivation can surface well before motor symptoms. These are often misunderstood as purely psychological issues, but in some cases, they may be linked to changes in brain chemistry associated with Parkinson’s. Chronic fatigue and a noticeable decline in energy levels can also be early indicators, affecting daily functioning without a clear cause.
Digestive issues, particularly constipation, are increasingly being recognised as part of the early symptom profile. This may seem unrelated to a neurological condition, but Parkinson’s affects the autonomic nervous system, which regulates many involuntary bodily functions, including digestion. Similarly, subtle changes in handwriting, such as writing becoming smaller or more cramped or a softer, lower voice, can signal early motor involvement.
The challenge with these early signs lies in their non-specific nature. Individually, they may not raise concern. Collectively, however, they form a pattern that warrants attention.
Unfortunately, due to low awareness, many individuals do not seek medical advice until more visible symptoms appear, by which time the condition may have already progressed.
Recognising these early warning signs can significantly impact how Parkinson’s is managed. While there is currently no cure, early diagnosis enables timely intervention, more effective symptom management, and an improved quality of life. It also enables individuals to make informed decisions around lifestyle changes, therapy, and long-term care planning.
There is a growing need to broaden public understanding of Parkinson’s beyond tremors. Awareness campaigns, primary healthcare engagement, and open conversations around neurological health can play a crucial role in early detection. Paying attention to subtle, persistent changes in the body and not dismissing them as routine can make all the difference.
Dr Neha Pandita is a senior consultant neurologist and unit head, clinical lead – Parkinson’s Disease & Movement Disorders, Fortis Hospital, Noida.
The opinions expressed in this article are those of the author and do not purport to reflect the opinions or views of THE WEEK.