Do not use fluvoxamine with buspirone (Buspar), fentanyl (Abstral, Duragesic), lithium (Eskalith, Lithobid), tryptophan, St. John's wort, amphetamines, or some pain or migraine medicines (eg, rizatriptan, sumatriptan, tramadol, Frova, Imitrex, Maxalt, Relpax, Ultram, Zomig).