Valacyclovir
Nucleosides and Nucleotides Excl. Reverse Transcriptase Inhibitors
Sold as VALTREX
- Drug class
- Nucleosides and Nucleotides Excl. Reverse Transcriptase Inhibitors
- Availability
- Prescription only
- Routes
- Oral
- Markets covered
- 3
- Products on record
- 64
- FDA reports (12 mo)
- 4,908
Overview
Valacyclovir is an active pharmaceutical ingredient in the Nucleosides and Nucleotides Excl. Reverse Transcriptase Inhibitors group (J05AB). The information below is compiled per regulator from the product labels on record, with direct links to the original documents.
Regulatory status by market
| Market | Regulator | Products | Last revision |
|---|---|---|---|
| GB United Kingdom | MHRA | 38 | May 1, 2026 |
| CA Canada | Health Canada | 24 | April 13, 2026 |
| US United States | FDA | 2 | May 28, 2026 |
GBUnited Kingdom· MHRA
38 products
Uses
4). 4). 4). 1). 4)
How to take
CACanada· Health Canada
24 products
Uses
APO-VALACYCLOVIR, valacyclovir tablets (as valacyclovir hydrochloride) is indicated: • For the treatment of herpes zoster (shingles) in adult patients. • For the treatment or suppression of genital herpes in immunocompetent adult patients and for the suppression of recurrent genital herpes in HIV infected adult patients.
• To reduce the risk of transmission of genital herpes with the use of suppressive therapy in adult patients. Safer sex practices should be used with suppressive therapy. • For the treatment of cold sores (herpes labialis) in adult patients and adolescent patients ≥ 12 years of age.
1 Pediatrics Pediatrics (< 12 years of age): No data are available to Health Canada; therefore, Health Canada has not authorized an indication for pediatric use. 2 Geriatrics Geriatrics (> 65 years of age): Use in the geriatric population may be associated with differences in safety due to age-related changes in renal function and a brief discussion can be found in the appropriate sections (see 7 WARNINGS AND PRECAUTIONS, Renal).
USUnited States· FDA
2 products
Uses
3 ) The efficacy and safety of valacyclovir tablets have not been established in immunocompromised patients other than for the suppression of genital herpes in HIV-1–infected patients. 1 Adult Patients Cold Sores (Herpes Labialis) Valacyclovir tablets are indicated for treatment of cold sores (herpes labialis).
, papule, vesicle, or ulcer) has not been established. Genital Herpes Initial Episode Valacyclovir tablets are indicated for treatment of the initial episode of genital herpes in immunocompetent adults. The efficacy of treatment with valacyclovir tablets when initiated more than 72 hours after the onset of signs and symptoms has not been established.
Recurrent Episodes Valacyclovir tablets are indicated for treatment of recurrent episodes of genital herpes in immunocompetent adults. The efficacy of treatment with valacyclovir tablets when initiated more than 24 hours after the onset of signs and symptoms has not been established.
Drug interactions
Known interactions involving Valacyclovir. Select one for details. This list is informational and not a complete interaction checker.
Showing 240 of 357. Type above to find a specific drug.
Interaction data compiled from DDInter (academic, CC-BY). Severity classification only - this is not a complete interaction checker and not medical advice.
Sources & citations
- [1]MHRA (UK) · PL200751127 · revised May 1, 2026
- [2]Health Canada (DPD) · 02295822 · revised March 22, 2025
- [3]FDA DailyMed · 021ab9d0-7b75-40… · revised May 28, 2026 [PDF]
- [4]OpenFDA adverse-event reports (US), 12 months ending June 4, 2026.
Information on this page is compiled from public regulatory records. Drugvu is not affiliated with any regulator or pharmaceutical manufacturer. This is not medical advice. Always consult a qualified healthcare professional.