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    Isotretinoin

    Topic Contents

    Isotretinoin

    Drug Information

    Isotretinoin is a modified vitamin A molecule used to treat severe acne vulgaris .

    Common brand names:

    Accutane, Amnesteem, Claravis, Sotret

    Summary of Interactions with Vitamins, Herbs, & Foods

    Types of interactions: Beneficial Adverse Check

    Replenish Depleted Nutrients

    • none

    Reduce Side Effects

    • Vitamin E

      Preliminary research has found that combined administration of isotretinoin and vitamin E (alpha-tocopherol) substantially reduces the initial toxicity of high-dose isotretinoin without reducing drug efficacy.1 Additional research is needed to further clarify this potentially beneficial interaction.

      The interaction is supported by preliminary, weak, fragmentary, and/or contradictory scientific evidence.

    Support Medicine

    • none

    Reduces Effectiveness

    • none

    Potential Negative Interaction

    • Vitamin A

      Although little is known about how isotretinoin interacts with real vitamin A, the two are structurally similar and have similar toxicities. Therefore, people taking isotretinoin should avoid vitamin A supplements at levels higher than typically found in a multivitamin (10,000 IU per day).

    Explanation Required 

    • none

    The Drug-Nutrient Interactions table may not include every possible interaction. Taking medicines with meals, on an empty stomach, or with alcohol may influence their effects. For details, refer to the manufacturers' package information as these are not covered in this table. If you take medications, always discuss the potential risks and benefits of adding a new supplement with your doctor or pharmacist.

    References

    1. Dimery IW, Hong WK, Lee JJ, et al. Phase I trial of alpha-tocopherol effects on 13-cis-retinoic acid toxicity. Ann Oncol 1997;8:85-9.

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