What is Valacyclovir?

Category: Prescription Drugs

Most popular types: Valtrex

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Valacyclovir is used to treat herpes zoster (shingles) and genital herpes. It does not cure herpes infections but decreases pain and itching, helps sores to heal, and prevents new ones from forming.

Reported purpose & perceived effectiveness
Purpose Patients Evaluations Perceived Effectiveness
Shingles (herpes zoster) 40 19
Herpes simplex virus infection 35 12
Genital herpes 29 13
Cold sores (fever blisters) 22 9
Shingles rash 21 4

Show all 32 reasons taken


  • Major
  • Moderate
  • Slight
  • None
  • Can't tell

Side effects

Side effects as an overall problem

Side effects as an overall problem
Severity Evaluations
Severe 5
Moderate 4
Mild 14
None 68

Commonly reported side effects and conditions associated with Valacyclovir

Side effect Patients
Nausea 5
Diarrhea 3
Dizziness 3
Headaches 2
Stomach pain 2
Abdominal pain 1

Show all 18 reported side effects

Dosages

Based on patients currently taking Valacyclovir

Dosage Patients
500 mg daily 21
1,000 mg daily 7
500 mg twice daily 4
500mg as needed 4
1 g daily 2
1 tbs. daily 1
1 g twice daily 1
4.5 g daily 1
500 mg weekly 1
500 mg every other day 1

See all 18 dosages

Why patients stopped taking Valacyclovir

Multiple reasons could be selected

Reason Patients
Course of treatment ended 38
Doctor's advice 10
Other 10
Side effects too severe 7
Did not seem to work 6
Expense 5
Change in health plan coverage 4
Personal research 1
See all 67 patients who've stopped taking Valacyclovir

Duration

Currently taking Valacyclovir

Duration Patients
1 - 6 months 1
6 months - 1 year 5
1 - 2 years 6
2 - 5 years 13
5 - 10 years 11
10 years or more 15

Stopped taking Valacyclovir

Duration Patients
Less than 1 month 29
1 - 6 months 17
6 months - 1 year 4
1 - 2 years 7
2 - 5 years 7
10 years or more 4
Adherence
Adherence Evaluations
Always 71
Usually 12
Sometimes 2
Never taken as prescribed 6
Burden
Burden Evaluations
Very hard to take 4
Somewhat hard to take 4
A little hard to take 17
Not at all hard to take 66
Cost per month
Cost per month Evaluations
$200+ 4
$100-199 1
$50-99 3
$25-49 10
< $25 36
Not specified 37

What people switch to and from

Patients started taking Valacyclovir after stopping:

Treatment Patients
Acyclovir (Zovirax) 6
Famciclovir (Famvir) 2
Naltrexone (Low Dose Naltrexone (LDN)) 1

Patients stopped taking Valacyclovir and switched to:

Treatment Patients
Famciclovir (Famvir) 3
Acyclovir (Zovirax) 1
Cephalexin (Keflex) 1
Last updated:

10 patient evaluations for Valacyclovir

Jun 27, 2016 (Started Jan 01, 2005)

  • Effectiveness
    Major (for cold sore (herpes simplex))
  • Effectiveness
    Major (for encephalitis)
  • Side effects
    None
  • Adherence
    Usually
  • Burden
    A little hard to take
Dosage: As needed
Advice & Tips: Start as soon as you notice symptom
Cost: $25-49 monthly

Feb 25, 2012 (Started Jan 01, 2005)

  • Effectiveness
    Major (for cold sore (herpes simplex))
  • Side effects
    None
  • Adherence
    Usually
  • Burden
    Not at all hard to take
Dosage: As needed
Advice & Tips: Take a pill whenever you first feel the smallest symptom, even if you're not sure it's herpes. Continue for about 7 days or so - so that it doesn't linger and come back right away.
Cost: $25-49 monthly

  • 0 helpful marks

May 5, 2014 (Started Jun 15, 1999)

  • Effectiveness
    Major (for shingles (herpes zoster))
  • Side effects
    None
  • Adherence
    Always
  • Burden
    Not at all hard to take
Dosage: 2500 mg Daily
Advice & Tips: due to frequency of my shingles outbreaks, i always kept it onhand and then one day my Dr. suggest we try a daily dose which has worked well at keeping the outbreaks under control. when i did not take daily, I could tell when the shingles were coming on and would start taking as soon as possible. The sooner I started taking the better off I was. The quicker it was gone.

  • 0 helpful marks

Sep 13, 2013 (Started Sep 06, 2013)

  • Effectiveness
    Slight (for eczema herpeticum)
  • Effectiveness
    Slight (for herpes outbreak)
  • Side effects
    None
  • Adherence
    Always
  • Burden
    Not at all hard to take
Dosage: 3000 mg Daily
Advice & Tips: One week at 1g three times a day has not had the dramatic effect expected. I still have a patch of weeping/crusting eczema and my face still has a dry rash that has not improved in the last three days of treatment. Reconsidering the diagnosis now.
Cost: $50-99 monthly

  • 0 helpful marks
Last updated:
Showing 3 of 10 patient evaluations for Valacyclovir