As with any medication, marijuana may interact with other drugs you are taking. In some cases, these reactions may be severe. Use medical marijuana cautiously, and call your doctor or the poison center if you have any of the following symptoms when using the drugs below.
Possible Side Effect
|Disulfiram (Antabuse) or Fluoxetine (Prozac and Sarafem)||Mild manic episodes, especially in those who are bipolar|
|Theophylline (Theo-24, Theo-Dur)||Decreased amount of theophylline in the body|
|Amphetamines/Cocaine/Other stimulants||Increased heart rate and blood pressure|
|Antihistamines (Allergy medications)||Increased heart rate and/or drowsiness|
|Tricyclic antidepressants (Elavil, Pamelor)||Increased heart rate, blood pressure and drowsiness|
|Alcohol (ethanol), Other sedatives||Increased drowsy effects of both medications|
|Barbiturates (Nembutal, Butisol)||Decreased metabolism of these drugs|
*Side Effects and Drug Interactions were noted in studies that included marijuana, Dronabinol and Nabilone. Dronabinol and Nabilone are Food and Drug Administration-approved medicines derived from tetrahydrocannabinol (THC), a main component of marijuana.