Went for a run on holiday round a fishing lake. Bitten by something; intensely itchy for a bit then settled into a small heart-shaped rash around 1cm across. Since then, it's spread to around an inch, and two other sites have appeared, much smaller. It did itch but not now.
I googled Lyme Disease after dh helpfully suggested that's what it could be and it doesn't really look like that at all, but it is a little unsightly.
Is it worth getting it checked out?