Adverse Drug Reaction Classification System

Pharmaceutical Information
Drug Name Valacyclovir hydrochloride
Drug ID BADD_D02324
Description Valaciclovir (valacyclovir), also known as _Valtrex_, is an antiviral drug that has been used to manage and treat various herpes infections for more than 2 decades. It was initially approved by the FDA in 1995 [FDA label] and marketed by GlaxoSmithKline [L5671]. Valacyclovir is the L-valine ester of aciclovir. It is a member of the purine (guanine) nucleoside analog drug class [F3949]. This class of drugs forms an important part of hepatitis, HIV, and cytomegalovirus drug regimens [A175900]. One major use of valacyclovir is the treatment of genital herpes episodes or outbreaks. Genital herpes is a frequently diagnosed sexually transmitted disease which currently affects more than 400 million individuals worldwide. It is caused by infection with the herpes simplex virus (HSV). Infection with this virus is lifelong with periodic episodes of reactivation [A175903].
Indications and Usage For the treatment or suppression of cold sores (herpes labialis), herpes zoster (shingles), genital herpes in immunocompetent individuals, and recurrent genital herpes in HIV-infected individuals.
Marketing Status Prescription; Discontinued
ATC Code J05AB11
DrugBank ID DB00577
KEGG ID D00398
MeSH ID D000077483
PubChem ID 135398741
TTD Drug ID D04QJD
NDC Product Code 0173-0933; 76420-053; 50090-5852; 69097-153; 0395-8103; 0781-5208; 67296-1076; 63187-776; 67296-1226; 43063-730; 63187-627; 69875-8014; 65862-462; 62756-042; 62331-034; 57237-043; 66651-916; 69097-154; 71335-1341; 50090-1735; 71335-0021; 59746-324; 70518-2928; 68788-6345; 55111-552; 67296-0200; 68084-309; 72761-025; 68788-6896; 50268-788; 16714-697; 64679-152; 68071-3360; 0904-6565; 65372-1154; 50268-789; 49483-691; 72969-119; 68071-4885; 71335-1155; 70518-2039; 57237-042; 43063-778; 0173-0565; 65862-449; 63187-832; 72189-037; 0781-5209; 53002-0060; 68071-4407; 55154-7985; 65862-448; 67296-1551; 69117-0011; 59746-325; 70934-387; 63415-0055; 68071-3037; 65015-629; 49483-690; 52343-052; 63739-525; 68788-7818; 70518-2346; 49452-8087; 53002-7830; 71335-0123; 68071-4728; 50090-3880; 70518-3359; 65015-745; 43353-883; 71335-1862; 50090-3875; 64679-153; 51079-093; 70518-2266; 16714-698; 50090-2224; 52343-051; 53002-0061; 55111-553; 71335-0708; 68071-4727; 68071-4474; 68084-215; 68071-1842; 38779-2550; 70518-1934; 65977-0022; 63187-538; 53104-7579; 70934-385
Synonyms Valacyclovir | Valaciclovir | BW256U87 | Valacyclovir, X-Hydrochloride, (DL)-isomer | Valacyclovir Hydrochloride, (DL)-isomer | Valacyclovir, (D)-isomer | Valacyclovir, D- | D- Valacyclovir | Valacyclovir, (L)-isomer | L-Valylacyclovir | L Valylacyclovir | Acyclovir, L-valyl Ester | Acyclovir, L valyl Ester | L-valyl Ester Acyclovir | 2-((2-Amino-1,6-dihydro-6-oxo-9H-purin-9-yl)methoxy)ethyl L-valinate | Valacyclovir, X-Hydrochloride, (D)-isomer | Valtrex | Valacyclovir Hydrochloride | 256U87 | Valacyclovir, (DL)-isomer
Chemical Information
Molecular Formula C13H21ClN6O4
CAS Registry Number 124832-27-5
SMILES CC(C)C(C(=O)OCCOCN1C=NC2=C1N=C(NC2=O)N)N.Cl
Chemical Structure
ADR Related Proteins Induced by Drug
ADR Term Protein Name UniProt AC TTD Target ID PMID
Not AvailableNot AvailableNot AvailableNot AvailableNot Available
ADRs Induced by Drug
ADR Term ADReCS ID ADR Frequency (FAERS) ADR Severity Grade (FAERS) ADR Severity Grade (CTCAE)
Cough22.02.03.001--
Cytomegalovirus infection11.05.01.002--
Dehydration14.05.05.001--
Depressed level of consciousness17.02.04.002--
Depression19.15.01.001--
Dermatitis23.03.04.002--Not Available
Diarrhoea07.02.01.001--
Dizziness24.06.02.007; 17.02.05.003; 02.01.02.004--
Dry mouth07.06.01.002--
Dysarthria17.02.08.001; 19.19.03.001--
Dysmenorrhoea21.01.01.002--
Dyspepsia07.01.02.001--
Dyspnoea22.02.01.004; 02.01.03.002--
Eczema23.03.04.006--
Encephalopathy17.13.02.001--
Erythema23.03.06.001--Not Available
Erythema multiforme10.01.03.015; 23.03.01.003--
Face oedema23.04.01.004; 10.01.05.002; 08.01.07.003--
Fatigue08.01.01.002--
Feeling abnormal08.01.09.014--Not Available
Flatulence07.01.04.002--
Gastrointestinal disorder07.11.01.001--Not Available
Gastrointestinal pain07.01.05.005--
Haematuria24.07.01.047; 20.02.01.006--
Haemoglobin abnormal13.01.05.011--Not Available
Haemolytic uraemic syndrome20.01.03.011; 01.06.02.001--
Hallucination19.10.02.002--
Hallucination, visual19.10.02.004--Not Available
Hallucinations, mixed19.10.02.007--Not Available
Headache17.14.01.001--
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