Does Adderall make your breath smell bad

Adderall is a stimulant that can help people with medical conditions such as hypersomnia or ADHD, but it has a number of negative effects. One such adverse effect is bad breath, which is relatively common among people taking Adderall. In this article we’ll cover the reasons why Adderall causes bad breath, and what you can do about it.

If you've been suffering from foul breath or if someone has pointed out the unpleasant odor emanating from your mouth, you may be concerned. Taking Adderall can have an impact on your breath and oral health, which is easy to overlook at first. So, let's try to figure out how Adderall is causing your terrible breath and how you can remedy it.

Side effects of Adderall

Adderall is used to treat hypersomnia and attention deficit hyperactivity disorder (ADHD) because it improves concentration and focus. It works by stimulating the central nervous system, which can be useful but has a number of negative side effects including bad breath:

Some side effects of being on Adderall include:

  • Hypertension
  • Dry mouth
  • Bad breath
  • Difficulty sleeping
  • Difficulty breathing
  • Weight loss
  • Stomachache
  • Appetite loss
  • Numbness in the fingers and toes
  • Change in taste
  • Hives

Does adderall make your breath smell bad?

One side effect of Adderall is dry mouth, which is a major cause of bad breath. However, Adderall itself does not directly cause bad breath. Not everybody taking Adderall will experience dry mouth and bad breath. Dry mouth is a relatively common side effect of Adderall.

What causes bad breath when you take Adderall?

Adderall can cause a number of oral health issues because it can cause dry mouth (xerostomia). Dry mouth is a condition where saliva is not made in sufficient quantities. Saliva is extremely important for keeping your mouth healthy because it has several protective characteristics.

Saliva contains proteins that reduce the levels of bacteria in your mouth. High abundances of bacteria can cause diseases like gum disease and cavities. When you have dry mouth, saliva is no longer able to coat your teeth and gums, causing a condition known as oral microbiome dysbiosis.

Oral dysbiosis is a condition where the bacteria in your mouth become imbalanced. This is extremely common among people with dry mouth. Dry mouth and oral dysbiosis can also lead to more oral problems such as cavities and gum disease. In fact, cavities can also cause bad breath.

Not all bacteria cause bad breath! Only specific ones that can create foul smelling compounds such as volatile sulfur compounds and putrescine. These bacteria are higher in people with oral dysbiosis, especially people with dry mouth and taking Adderall.

How you can fix your bad breath

  • Keep your mouth hydrated. Drinking water throughout the day can help stimulate saliva production.
  • Chew sugar-free gum. Gum can help increase saliva production, which will prevent bad breath.
  • Stop using alcohol-based mouthwash. Alcohol can dry the mouth and reduce saliva.
  • Breathe through your nose. Mouth breathing can worsen dry mouth, and is a major cause of oral disease because it causes oral dysbiosis.
  • We’ve written an entire guide on how you can fix your bad breath, which you can read here


To recap, Adderall is a stimulant that can solve a variety of medical issues such as ADHD.

However, taking Adderall might have a number of negative side effects such as dry mouth and bad breath. As your saliva production slows, it can cause bacteria in your mouth to grow more quickly, and cause an issue called oral microbiome dysbiosis.

By solving dry mouth, you’ll be able to fix your bad breath by directly addressing the root of the cause.

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