Amongst the following antihistamines, which are antacids?
(i) Ranitidine
(ii) Brompheniramine
(iii) Terfenadine
(iv) Cimetidine
Some of the antacids are also helpful in treating hyperacidity as they prevent the interaction of histamine in the stomach, thus categorized under antihistamines. Some of the most common antacids used as antihistamines are option (i) Ranitidine and (iv) Cimetidine