Famciclovir Theophylline

Famciclovir (Famvir) [Antiviral/Synthetic Nucleoside] Uses Acute h pes zoster (shingles) genital h pes Action X Viral DNA synth Dose Zoster 500 mg PO q8h x7 d Simplex 125-250 mg PO bid X w/ renal impair Caution [B, -] Contra Component sensitivity Disp Tabs SE Fatigue, dizziness, HA, pruritus, N/D Interactions t Effects cimetidine, probenecid, theophylline t effects OF digoxin EMS None OD Sxs unknown, but may cause hallucinations, Szs and reduced kidney Fxn... 

No clinically important pharmacokinetic interactions appear to occur when famciclovir is given with allopurinol, digoxin or theophylline. 

Similarly, no elinieally significant changes in the pharmacokineties of fameielovir were seen in healthy subjects given famciclovir with theophylline or digoxin. The pharmacokinetics of theophylline and digoxin were also unaffected. ... 

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