FDA data Registry peer set 3 peers

Alternatives to famciclovir

3 same-class SPL records vs famciclovir - uses, FAERS reaction fields, and OTC/Rx flags from public FDA sources.

View famciclovir → All alternatives

Brand: Famvir

Antiviral (Nucleoside Analog) Prescription 3 alternatives found

About famciclovir

Famciclovir is an antiviral medicine. It helps to treat infections caused by certain viruses.

Used for: This medicine treats herpes infections. It can treat cold sores, genital herpes, and shingles. It can also prevent genital herpes outbreaks. This medicine may not work for everyone, including first-time genital herpes, eye shingles, or certain immunocompromised patients.

View full famciclovir profile →

3 Antiviral (Nucleoside Analog) peers (wide set)

acyclovir

Rx

Zovirax

Acyclovir is used to treat shingles, which is caused by herpes zoster. It also treats genital herpes, both the first time you have it and when it comes back. Acyclovir can also treat chickenpox.

ganciclovir

Rx

Cytovene

This medicine treats CMV retinitis, an eye infection, in people with weak immune systems, including those with AIDS. It also prevents CMV disease in adults who have had organ transplants and are at risk for CMV.

valganciclovir

Rx

Valcyte

This medicine prevents CMV disease in children after they get a kidney or heart transplant. CMV is a virus that can cause problems in people with weakened immune systems. Valganciclovir helps to stop the virus from growing and causing illness.

Compare famciclovir vs acyclovir side-by-side →

famciclovir vs acyclovir & ganciclovir · FAERS reaction fields

FAERS top-reaction field "Fatigue" shows the widest count spread between famciclovir and acyclovir, ganciclovir, valganciclovir in this extract (7,427-report gap on that field). Counts are exposure-weighted submissions, not prevalence rates.

Side Effect famciclovir acyclovirganciclovirvalganciclovir
Fatigue 185 7,612 - -
Diarrhoea 179 7,064 434 916
Nausea 145 5,328 - 501
Headache 135 3,080 - -
Pain 118 2,780 - -
Rash 113 4,121 - -
Dizziness 98 2,716 - -
Pyrexia 87 4,719 590 939

"-" means no reports for that reaction. Report counts reflect total FAERS submissions, not prevalence rates.

famciclovir peer mix vs class inventory

Peer mix

0 OTC and 3 Rx SPL records in this peer set (3 total). Class inventory for Antiviral (Nucleoside Analog): 4 drugs.

Frequently Asked Questions

What same-class SPL records sit beside famciclovir? ▼
This registry lists 3 Antiviral (Nucleoside Analog) medication records beside famciclovir, including acyclovir, ganciclovir, valganciclovir. Grouping is therapeutic-class indexing from openFDA/SPL, not a product recommendation.

Reading a wide Antiviral (Nucleoside Analog) peer set (3 records)

famciclovir (Famvir) sits in a wide Antiviral (Nucleoside Analog) peer set (3 of 3 class peers shown). Labeled indication field for famciclovir: This medicine treats herpes infections.

Top FAERS reaction fields for famciclovir total 1,232 reports across 10 reactions, set beside acyclovir, ganciclovir, valganciclovir. Counts are exposure-weighted submissions, not per-patient risk.

Registry note: Therapeutic-class peer lists are registry indexes, not prescribing advice. This information is for educational purposes only and is not a substitute for professional medical advice. Do not stop or change your medication without talking to your doctor or pharmacist.

Full famciclovir profile →

Field note for famciclovir: see also the generic vs brand label guide when reading Famvir SPL strings.

Read our methodology - how this data is sourced, computed, and verified.