See also the How to Use section.
Your healthcare professionals (e.g., doctor or pharmacist) may already be aware of any possible drug interactions and may be monitoring you for it. Do not start, stop or change the dosage of any medicine before checking with them first.
This drug should not be used with the following medications because very serious interactions may occur: certain azole antifungals (e.g., itraconazole, ketoconazole), delavirdine, indinavir, sodium oxybate.
If you are currently using any of these medications, tell your doctor or pharmacist before starting alprazolam.
Before using this medication, tell your doctor or pharmacist of all prescription and nonprescription/herbal products you may use, especially of: clozapine, digoxin, disulfiram, kava.
Tell your doctor or pharmacist if you take drugs that affect the removal of alprazolam from your system (CYP 3A4 substrates, inhibitors and inducers) such as: other azole antifungals (e.g., fluconazole, voriconazole), certain anti-depressants (e.g., fluoxetine, fluvoxamine, nefazodone), certain anti-seizure meds (e.g., phenytoin, phenobarbital), cimetidine, macrolide antibiotics (e.g., erythromycin, clarithromycin), rifamycins (e.g., rifampin), ritonavir, St John's wort.
Tell your doctor or pharmacist if you also take drugs that cause drowsiness such as: antihistamines that cause drowsiness (e.g., diphenhydramine), anti-seizure drugs (e.g., carbamazepine), medicine for sleep (e.g., sedatives), muscle relaxants, narcotic pain relievers (e.g., codeine), psychiatric medicines (e.g., phenothiazines such as chlorpromazine, or tricyclics such as amitriptyline), tranquilizers.
Check the labels on all your medicines (e.g., cough-and-cold products) because they may contain ingredients which cause drowsiness. Ask your pharmacist about the safe use of those products.
Cigarette smoking decreases blood levels of this medication (through liver enzyme induction). Tell your doctor if you smoke or if you have recently stopped smoking because your dose may need to be adjusted.
Do not start or stop any medicine without doctor or pharmacist approval.
This document does not contain all possible interactions. Therefore, before using this product, tell your doctor or pharmacist of all the products you use. Keep a list of all your medications with you, and share the list with your doctor and pharmacist.