If it's outdoors, best to avoid it for sure due to the UV risk.

You probably won't know until you try.

For me that wouldn't be a problem as long as I rinsed off a few times a day and took care of my skin when I got home.
That's assuming it was indoors.

There is absolutely no way I could do sun exposure and chlorine salts.
That wouldn't last 30 minutes.

I know that others have enough issues with dry skin and wouldn't be able to do it.

Just depends on how your Lupus affects you.

I would think that if you don't break out in the shower your good.

I use to swim indoors In a warm pool for therapy. Felt good and relaxed the muscles. But it was indoors