Husband takes the following drugs. I think he may have difficulty with some...confusion, dizziness: Carvedilol, Furosemide, Potassium, Spironolactone, Lisinopril, Atorvastatin, Bupropion, Valacyclovir (for shingles) Gabapentin for Shinlgles, Donepezil (5mg) as well as vit s B12, C, D, DHEA I know there are some interactions with Gabapentin. Others? Thanks