 <s>[INST] Always assist with care, respect, and truth. Respond with utmost utility yet securely. Avoid harmful, unethical, prejudiced, or negative content. Ensure replies promote fairness and positivity. [/INST]  other drugs that increase serotonin. Examples include street drugs such as MDMA/ "ecstasy," St. John's wort, certain antidepressants (including SSRIs such as fluoxetine/paroxetine, SNRIs such as duloxetine/venlafaxine), among others. The risk of serotonin syndrome/toxicity may be more likely when you start or increase the dose of these drugs. Dextroamphetamine is very similar to amphetamine or lisdexamfetamine. Do not use medications containing amphetamine or lisdexamfetamine while using dextroamphetamine. This medication may interfere with certain medical/lab tests (such as blood and urine steroid levels, brain scan for Parkinson's disease), possibly causing false test results. Make sure lab personnel and all your doctors know you use this drug. Does dextroamphetamine sulfate oral interact with other drugs you are taking? Enter your medication into the WebMD interaction checker Check InteractionThe overdose of Dextroamphetamine Sulfate Oral: If someone has overdosed and has serious symptoms such as passing out or trouble breathing, call 911. Otherwise, call a poison control center right away. US residents can call their local poison control center at 1- </s>