How Ashwagandha interacts with Narcotic medications

Interaction type:

Interaction rating:
Study Supported

Ashwagandha may alter the effects of these medications and possibly the dose needed for treatment. Use with caution. (1)

These drugs include morphine, opium, codeine, meperidine, methadone, oxycodone, propoxyphene, oxymorphone, fentanyl, remifentanil, sufentanil, alfentanil, hydromorphone, levorphanol, levomethadyl, buprenorphine, butorphanol, pentazocine, nalbuphine


  1. View Abstract: Kulkarni SK, et al. Inhibition of Morphine Tolerance and Dependence by Withania Somnifera in Mice. J Ethnopharmacol. Aug1997;57(3):213-17.