Gamma-hydroxybutyrate (ghb) - Dexedrine Spansule (Dextroamphetamine Sulphate) Interaction
Herbal: Gamma-hydroxybutyrate (ghb)
Drug: Dextroamphetamine Sulphate
Brand names:
Dexedrine Spansule

Medical Content Editor Dr. Brian Staiger, PharmD
Last updated
May 11, 2025
Interaction Details
Dextroamphetamine Sulphate is classified as belonging to the following category: Amphetamines
Concomitant use of amphetamines and GHB can increase the risk of severe adverse effects.
Concomitant use of GHB with amphetamines has been associated with severe adverse effects. Theoretically, concomitant use of GHB with amphetamines may also antagonize the effects of GHB. Conversely, concomitant use of GHB with amphetamines is reported to mask the symptoms of amphetamine intoxication.
Interaction Rating
Likelihood of Occurrence
PossibleInteraction has been documented in animal or in lab research, or the interaction has been documented in humans but is limited to case reports or conflicting clinical research exists
References
- Anon. Multistate outbreak of poisonings associated with illicit use of gamma hydroxy butyrate. JAMA 1991;265:447-8.
- Chien-Po H, An-Yi W. Amphetamine toxicity masked by concomitant ?-hydroxybutyrate (GHB) ingestion. Am J Emerg Med 2022;58:338-339.
Gamma-hydroxybutyrate (ghb) - More Interactions
Gamma-hydroxybutyrate (ghb) interacts with 272 drugs
Interaction Rating Key
These severity listings are for informational use only. Never start, stop or otherwise change your therapy before speaking with your provider.
Major | The combined use of these agents is strongly discouraged as serious side effects or other negative outcomes could occur. |
Moderate | Use cautiously under the care of a healthcare professional or avoid this combination. A significant interaction or negative outcome could occur. |
Minor | Be aware that there is a chance of an interaction. Watch for warning signs of a potential interaction. |
Unknown | No interactions have been reported or no interaction data is currently available. |
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Parts of this content are provided by the Therapeutic Research Center, LLC.
DISCLAIMER: Currently this does not check for drug-drug interactions. This is not an all-inclusive comprehensive list of potential interactions and is for informational purposes only. Not all interactions are known or well-reported in the scientific literature, and new interactions are continually being reported. Input is needed from a qualified healthcare provider including a pharmacist before starting any therapy. Application of clinical judgment is necessary.
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Drug descriptions are provided by MedlinePlus.