I was told to drink plenty of water after my second shot.
I suspect to avoid possible kidney damage after possible muscle damage.
Tenderness in my arm muscle jabbed is only going away now, three days and three hours after my shot.
These vaccines seem to have greater than usual side effect profiles. I can’t remember any previous vaccine that I had having any substantial side effect on me.
I still remember being the sickest I’d ever been after my Army flu shot back in the 70’s.
Never gotten a flu shot since!
“ I was told to drink plenty of water after my second shot.”
I got my second shot six days ago. The first Pfizer shot was nothing except for a little swelling around the injection site. I felt fine throughout the day of the second shot, although my arm was a little sorer than the first. On the morning of the second day, I woke up dehydrated and still tired, with a slight headache. I drank a bottle of sports drink, and the headache went away 4-5 hours later. I was still exhausted by dinner time, so I went to bed a couple of hours early.
I woke up the next day and felt fine except for some residual soreness and swelling at the injection site. The shingles booster I got three months ago did the same things but without the headache.