What is Acyclovir?

Category: Prescription Drugs

Most popular types: Zovirax

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Acyclovir is a type of medicine called an antiviral. Antivirals kill viruses or stop viruses from multiplying. Acyclovir is used to treat herpesvirus infections spread by direct skin-to-skin contact. Acyclovir will not cure herpes infections.

Reported purpose & perceived effectiveness
Purpose Patients Evaluations Perceived Effectiveness
Shingles (herpes zoster) 71 66
Cold sores (fever blisters) 47 29
Genital herpes 39 22
Prevent infection 26 7
Herpes outbreak 11 8

Show all 42 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
9
Moderate
11
Mild
24
None
144

Commonly reported side effects and conditions associated with Acyclovir

Side effect Patients
Headaches 4
Nausea 4
Diarrhea 3
Fatigue 2
Upset stomach 2
Acute renal failure 1

Show all 32 reported side effects

Dosages

Based on patients currently taking Acyclovir

Dosage Patients
400 mg twice daily 20
800 mg daily 12
200 mg twice daily 9
400 mg daily 9
800 mg twice daily 6
200mg as needed 3
800mg as needed 3
400 mg five times daily 2
1 g three times daily 1
400 mg m,w,f 1

See all 19 dosages

Why patients stopped taking Acyclovir

Multiple reasons could be selected

Reason Patients
Course of treatment ended 65
Doctor's advice 15
Did not seem to work 12
Other 12
Side effects too severe 10
Personal research 5
Change in health plan coverage 1
Expense 1
See all 100 patients who've stopped taking Acyclovir

Duration

Currently taking Acyclovir

Duration Patients
Less than 1 month 1
1 - 6 months 4
6 months - 1 year 1
1 - 2 years 13
2 - 5 years 16
5 - 10 years 20
10 years or more 20

Stopped taking Acyclovir

Duration Patients
Less than 1 month 47
1 - 6 months 25
6 months - 1 year 9
1 - 2 years 8
2 - 5 years 3
5 - 10 years 5
10 years or more 3
Adherence
Adherence Evaluations
Always 151
Usually 27
Sometimes 8
Never taken as prescribed 2
Burden
Burden Evaluations
Very hard to take 5
Somewhat hard to take 14
A little hard to take 33
Not at all hard to take 136
Cost per month
Cost per month Evaluations
$200+ 0
$100-199 2
$50-99 3
$25-49 11
< $25 84
Not specified 88

What people switch to and from

Patients started taking Acyclovir after stopping:

Treatment Patients
Valacyclovir (Valtrex) 3
Acyclovir Topical (Zovirax Topical) 1
Famciclovir (Famvir) 1

Patients stopped taking Acyclovir and switched to:

Treatment Patients
Valacyclovir (Valtrex) 8
Meloxicam (Mobic) 1
Pregabalin (Lyrica) 1
Last updated:

15 patient evaluations for Acyclovir

Feb 15, 2016 (Started Feb 05, 2016)

  • Effectiveness
    Slight (for shingles (herpes zoster))
  • Side effects
    None
  • Adherence
    Always
  • Burden
    Not at all hard to take
Dosage: 800 mg Five times daily

  • 0 helpful marks

Oct 1, 2015 (Started Mar 09, 2015)

  • Effectiveness
    Major (for cold sores (fever blisters))
  • Side effects
    None
  • Adherence
    Always
  • Burden
    Somewhat hard to take
Dosage: As needed
Advice & Tips: taking acyclovir the moment you begin to feel the tingle of a blister, even before it shows, will make it go away and not reach a blister stage.

  • 0 helpful marks

Sep 7, 2014 (Started Dec 23, 2009)

  • Effectiveness
    Major (for cold sores (fever blisters))
  • Side effects
    None
  • Adherence
    Always
  • Burden
    Not at all hard to take
Dosage: 800 mg Daily

Nov 14, 2013 (Started Dec 23, 2009)

  • Effectiveness
    Major (for cold sores (fever blisters))
  • Side effects
    None
  • Adherence
    Always
  • Burden
    Not at all hard to take
Dosage: 800 mg Daily
Cost: < $25 monthly

Nov 9, 2013 (Started Dec 23, 2009)

  • Effectiveness
    Major (for cold sores (fever blisters))
  • Side effects
    None
  • Adherence
    Always
  • Burden
    Not at all hard to take
Dosage: 800 mg Daily

Jul 16, 2013 (Started Dec 23, 2009)

  • Effectiveness
    Major (for cold sores (fever blisters))
  • Side effects
    None
  • Adherence
    Usually
  • Burden
    Not at all hard to take
Dosage: 800 mg Daily

  • 0 helpful marks
Last updated:
Showing 3 of 15 patient evaluations for Acyclovir