Pharma Tips-219

1116. Zalcitabine causes severe oral and esophageal ulcers.
1117. Aluminum antacids cause constipation, but magnesium antacids cause diarrhea.
1118. Calcium carbonate has a fast onset of action and the most prolonged duration of action among all antacids.
1119. Antacids should not be taken more than 2 weeks without the permission of a health care provider.
1120. Antacids decrease the excretion of amphetamine, so increase its side effects and toxicity.