What is "seltzers"

Usage examples of "seltzers".

Bas, having put so many Alka Seltzers in a glass of water they'd fizzed over the top, was trying to find his overcoat.

Leaving the car to bake in the huge crowded parking lot he accompanied Faye, Billy and the two Seltzers (Izzy, from the subways, and his small daughter Natasha) past rows of automobiles and through the handball courts and onto the boardwalk and across the tract of hot sandy stone to the rail above the beach itself, the teeming strand, that long radiant curve endlessly submissive to the bleak waters of the Sound.

After long lovemaking, a sleep, three Alka Seltzers and a bath, she was feeling wonderful.