Micrographia is handwriting that gets smaller because of Parkinson’s. It is common enough that up to half of people in the early stages experience it, and it is sometimes the very first noticeable sign, before motor symptoms become obvious. It is more than just writing smaller than usual: characteristically, the start of a line looks about the same as always, and the writing shrinks the further along you get.

A pair of glasses resting on an open book

Why does it shrink as you write?

Research links this to the motor circuits of the basal ganglia not being able to “scale up” the size of your hand movements and hold them there. You can think of it as the same principle behind bradykinesia, where the range of an arm or leg movement gradually narrows, showing up in the fine movements of the fingertips. What is interesting is that this progressively shrinking type of micrographia has been shown to respond poorly to medication such as levodopa, while actually improving when you consciously concentrate on writing bigger. In other words, the effort to “pay attention and write big” is an evidence-based approach in itself.

Change your tools

  • Try a thick pen that sits well in your hand. A pen with a rubber grip, or one thicker than what you used before, is easier to hold.
  • A weighted pen can help too. If you have tremor, a pen with a bit of weight reduces the shake.
  • Use lined paper. Research shows handwriting size holds up better on lined paper than on blank paper — the lines give you a visual reference that helps you regulate size.
  • Put a non-slip mat under the paper. Your hand movements are more accurate when the paper isn’t moving.

Take short breaks while you write

Rather than writing for a long stretch, splitting it into write a little, rest a moment, write again (“write-rest-write”) reduces how much your handwriting shrinks toward the end. Where possible, it also helps to write anything important during the times of day when your medication is working well.

Think ahead about documents that need a signature

With micrographia, your signature can change noticeably over time, which can cause problems anywhere signature verification matters, such as banks or legal documents. If your signature is now very different from what it used to be, notifying the institutions that need to know, or having an updated signature witnessed and put on record, saves you trouble later.

Digital tools can stand in for handwriting

If writing by hand is simply too hard, taking notes with a tablet and stylus, or using a speech-to-text app that turns your voice into text, is another route. In situations where handwriting isn’t essential — notes, letters — these digital tools take a lot of the strain off.

If you’re a care partner, wait rather than write it for them

Watching from beside someone, you may get frustrated and want to take down the words for them, but waiting while they write it themselves, even if it takes time, is more helpful in the long run. Rather than pointing out that the writing is small, it is better to offer an easy prompt like “shall we try writing a bit bigger?” or to look together at the tools and digital alternatives described above.

You can practice with an occupational therapist

Starting from stretches for the neck, shoulders, arms and hands, an occupational therapist can look at your writing posture and technique and show you practice methods that suit you. Steady aerobic exercise is also known to help ease a range of motor symptoms, micrographia among them.

What you can do now

Micrographia is one of the classic early signs, but it is not dangerous in itself. That said, if it is genuinely affecting daily life — signatures, notes — try the approaches above one at a time, and if changing your tools doesn’t help much, work with an occupational therapist to find what fits you.

This article is not a substitute for medical diagnosis or treatment. If writing has become very difficult, consider asking for a consultation with an occupational therapist.