They are available over-the-counter and on prescription. CVS's announcement on Saturday said it was suspending the sale of Zantac and CVS Health brand ranitidine products "out of an abundance of ...
GSK launched Zantac in 1981 and it was first approved for sale in the US in 1983 as a prescription medication. It went on to become the world's best-selling drug, with annual sales in excess of $1bn.
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