You should not take alprazolam if: you also take antifungal medicine such as itraconazole or ketoconazole; or. you have a history of allergic reaction to any benzodiazepine (alprazolam, lorazepam, diazepam, Ativan, Valium, Versed, Klonopin, and others). The most common type of medication prescribed for anxiety disorders are SSRIs, like Lexapro and Viibryd, as a first-line treatment and have relatively fewer side effects compared to other types of antidepressants, like MAOIs.
When used as directed, alprazolam is generally considered safe. However, misuse increases the risk of adverse effects, including overdose. Though many cases of overdose when you buy xanax online toxicity involve the concurrent use of other substances, benzodiazepine overdose is a risk with high dose misuse.