Hi Dawn,
For both DLA and PIP you need to show that you have a long term disability. For PIP you need to show you have had the disability for 3 months and its likely to continue fir at least 9 months. Its called the past -present test. I guess the why is linked to this, whether its a new condition or linked with an older one. If you have PIP but feel your health condition has become worse a similar rule will apply.
I hope this helps.
LL26
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