What is "maalox"

Usage examples of "maalox".

He quaffed a long gulp of Alka Seltzer and swallowed a Maalox bar whole.

During the short photo session where no questions were permitted because of antiterrorist strategies, Herbert Dennison absently withdrew a small bottle of Maalox from his pocket and drank from it.

I once walked into this meeting with dried white Maalox powder caked on my lips and everybody thought it was coke or something.

How many sleepless nights, how many packages of Maalox, how many busted relationships did that represent?