One of the most common causes for bad breath and dry mouth symptoms are due to the medications we take. Appetite suppressants, anti-anxiety medications, antidepressant medication, anti-acne medications, as well as muscle relaxers and antihistamines are all known to have dry mouth as symptoms. Below is a list of common medications that cause bad breath or dry mouth:
- Diazepam (Valium)
- Alprazolam (Xanax)
- Isotretinoin (Accutane)
- Lorazepam (Ativan)
- Cyclobenzaprine (Flexeril)
- Albuterol (Ventolin)
- Loratadine (Claritin)
- Bupropion (Wellbutrin)
- Fluoxetine (Prozac)
This is just a small list of the commonly prescribed medications associated with dry mouth and bad breath symptoms. However, always check your medication’s side effects to be sure.

