Before you buy alprazolam online, make sure that you are aware of the drug interactions. Drugs that can increase the effects of alprazolam may include itraconazole, ketoconazole, nefazodone, erythromycin, cimetidine, fluvoxamine, or HIV protease inhibitors such as ritonavir.
Other drugs that may interact with alprazolam include:
propoxyphene
fluoxetine
digoxin
imipramine and desipramine
Combining benzodiazepines such as alprazolam with alcohol can produce even more depressant effects on the CNS when a person takes it
alongside:
alcohol
other psychotropic medications
other drugs that produce CNS depression
anticonvulsants
antihistamines