Does Levoxyl (Levothyroxine) Cause Yeast Infections?

In our latest question and answer, the pharmacist discusses whether or not Levoxyl (levothyroxine) can cause yeast infections.

Does Levoxyl (Levothyroxine) Cause Yeast Infections?
Jun 07, 2018

Jelp asked

Can Levoxyl cause yeast infections?

Answer

CandidaLevoxyl (levothyroxine) contains synthetic T4 (thyroxine) and is used to treat hypothyroidism.

Yeast infections, most commonly caused by overgrowth of the opportunistic pathogen Candida albicans, is not an associated or listed side effect of Levoxyl. However, recurrent yeast infections while taking Levoxyl may be an indication that your thyroid hormone levels are still too low.

Hypothyroidism has been associated with overgrowth of yeast and yeast infections. Several studies have documented this. In particular, individuals diagnosed with thyroid diseases such as Hashimoto's have been linked to an increased incidence of yeast infections. It is important to keep regular visits with your doctor so your thyroid levels can be monitored and your dose of Levoxyl can be adjusted as needed.

How To Treat Yeast Infections

It is also important that your yeast infections, when they do occur, are treated appropriately. Over the counter yeast infection treatments (e.g. Monistat) are effective, but recurrent infections may require prescription products such as fluconazole or similar alternatives.

In terms of prevention, as mentioned above, make sure you are taking appropriate doses of your thyroid replacement medication. You should have thyroid function tests regularly so you can be sure you are taking the the correct dose of Levoxyl.

It would be prudent avoid consumption of high amounts of sugar and yeasty foods as they may make you more susceptible to infection. Regular use of probiotics may help prevent yeast infections as well.

Summary
  • Levoxyl (levothyroxine) isn't associated with causing yeast infections.
  • Thyroid diseases, such as hypothyroidism, are thought to be associated with an increased risk of candida overgrowth and infection.

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