Cardizem and Dry Mouth

There are many possible side effects of Cardizem, and dry mouth appears to be one of them. In clinical studies, less than 1 percent of people developed a dry mouth while taking the drug. If you are taking Cardizem and dry mouth occurs, you can try drinking water more often and avoiding caffeinated drinks, or talk to your healthcare provider about other treatment options.

Can Cardizem Cause a Dry Mouth?

Dry mouth is one of the possible side effects of Cardizem® (diltiazem hydrochloride). In studies, less than 1 percent of people taking the drug reported experiencing a dry mouth.
 

Cardizem and Dry Mouth: Recommendations

If you are taking Cardizem and dry mouth occurs, there are some things that you can do that may provide relief. Some of these suggestions include:
 
  • Sip water or sugarless drinks often.
     
  • Sip water or sugarless drinks during meals. This will make chewing and swallowing easier. It may also improve the taste of food.
     
  • Avoid drinks with caffeine, such as coffee, tea, and some sodas. Caffeine can dry out the mouth.
     
  • Don't use tobacco or alcohol. They dry out the mouth.
     
  • Use a humidifier at night.
     
  • Be aware of spicy or salty foods. These may cause pain in a dry mouth.
     
  • Chew sugarless gum or suck on sugarless hard candy to stimulate saliva flow; cinnamon- or mint-flavored candies are good choices.
     

Cardizem and Dry Mouth: Final Thoughts

If you develop a dry mouth while taking Cardizem and the suggestions in this article do not help, make sure to talk with your healthcare provider.
 He or she may be able to recommend other treatment options, such as artificial saliva. Also, depending on how severe your dry mouth is, your healthcare provider may recommend that you adjust your Cardizem dosage or try another angina medicine.
 
Written by/reviewed by: Kristi Monson, PharmD; Arthur Schoenstadt, MD
Last reviewed by: Kristi Monson, PharmD;
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