Antacids taken with heart drugs increase risk of another attack (Canada)

"A drug combination prescribed to thousands of heart attack survivors increases the risk of a repeat heart attack, Canadian researchers are warning. In a major study spanning nearly six years, Toronto researchers who followed more than 13,000 patients found those given the blood thinner Plavix in combination with certain acid suppressants are 40 per cent more likely to have another heart attack in the first three months after leaving hospital. 'There are so many people at potential risk here it’s difficult to understate the importance of the findings,' says Dr. David Juurlink, head of the division of clinical pharmacology and toxicology at Sunnybrook Health Sciences Centre, and lead author of the study released Wednesday by the Canadian Medical Association Journal"