Prescription onlyLower-cost generic availableClass: Infection

ValtrexAlternatives

(valacyclovir)

Prescription onlyLower-cost generic availableClass: Infection
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Compare Valtrex (valacyclovir) to alternatives

These medications are comparable to Valtrex (valacyclovir) or used for similar purposes.

Valtrex
(valacyclovir)

Zovirax
(acyclovir)

Famvir
(famciclovir)

Treats viral infections. Valtrex (Valacyclovir) is good for treating viral infections like herpes, chickenpox, and shingles. It won't cure the disease, but it'll shorten the length of a breakout.Treats viral infections. Zovirax (Acyclovir) is good for treating viral infections like herpes, chickenpox, and shingles. It won't cure the disease, but it'll shorten the length of a breakout.Coming soon.
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Reviews & ratings
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Have you used Valtrex (valacyclovir)?
Worth itNot sureNot worth it

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Have you used Zovirax (acyclovir)?
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Have you used Famvir (famciclovir)?
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Side effects
ValtrexZoviraxFamvir
  • Headache 4%
  • Dizziness 1%
  • Abnormal alt 1%
  • Nausea 6%
  • Vomiting 3%
  • Abdominal pain 1%
  • Fatigue 3%
  • Rash 7%
  • Common cold 18%
More Valtrex side effects »
  • Nausea and/or vomiting 2%
  • Nausea 3%
  • Feeling unwell 1%
More Zovirax side effects »

We haven’t found good data for Famvir side effects.

FDA side effect reports for Famvir »
How it works
ValtrexZoviraxFamvir
Valtrex (Valacyclovir) is an antiviral medication that stops viruses from growing. It shortens the amount of time infections like shingles, chickenpox, and herpes will last.Zovirax (Acyclovir) is an antiviral medication that stops viruses from growing. It shortens the amount of time infections like shingles, chickenpox, and herpes will last.Coming soon.
Type of medication
ValtrexZoviraxFamvir
Prescription only
Prescription only
Available as
ValtrexZoviraxFamvir
  • Pill
  • Pill
  • Oral suspension
  • Dissolving tablet extended release
  • Cream, gel, or ointment
  • Pill
Used for
ValtrexZoviraxFamvir
  • Herpes Zoster
Risk factors for serious side effects
ValtrexZoviraxFamvir
    • Weakened immune system
    • Elderly
    Detailed Valtrex (valacyclovir) risks & warnings »
      • Weakened immune system
      • Elderly
      Detailed Zovirax (acyclovir) risks & warnings »
      Coming soon.
      Pregnancy

      Research studies with animals haven’t found a risk to unborn babies, but it hasn’t been properly studied in humans.

      Research studies with animals haven’t found a risk to unborn babies, but it hasn’t been properly studied in humans.

      Research studies with animals haven’t found a risk to unborn babies, but it hasn’t been properly studied in humans.

      Kidneys and liver
      ValtrexZoviraxFamvir
      • There have been reports of people on Valtrex (Valacyclovir) who have had serious kidney damage. This is very rare. You'll want to drink plenty of fluids while you're on Valtrex (Valacyclovir).
      • There have been reports of people on Zovirax (Acyclovir) who have had serious kidney damage. This is very rare. You'll want to drink plenty of fluids while you're on Zovirax (Acyclovir).
      No kidneys and liver related info.
      Upsides and benefits
      ValtrexZoviraxFamvir
      • Used as a first-choice treatment for herpes, chickenpox, and shingles infections and breakouts.
      • Most people (including pregnant women) usually take the oral medication without experiencing any side effects.
      • Available as a generic, so it's relatively cheap.
      • Most people generally don't develop a resistance to Valtrex (Valacyclovir).
      • Works well for most people to shorten the duration of outbreaks.
      • You don't have to take this as often as other antiviral medications.
      • Used as a first-choice treatment for herpes, chickenpox, and shingles infections and breakouts.
      • Most people (including pregnant women) usually take the oral medication without experiencing any side effects.
      • Available as a generic, so it's relatively cheap.
      • Most people generally don't develop a resistance to Zovirax (Acyclovir).
      • Works well for most people to shorten the duration of outbreaks.
      Coming soon
      Downsides and risks
      ValtrexZoviraxFamvir
      • Valtrex (Valacyclovir) is not a cure for herpes, chickenpox, or shingles. It will only shorten the time you have a breakout.
      • If you're taking Valtrex (Valacyclovir) for herpes, you should use barrier methods (condoms) when you're having sex since you can still pass it on to other people, even if you're taking the medication and you're not in a breakout.
      • Zovirax (Acyclovir) is not a cure for herpes, chickenpox, or shingles. It will only shorten the time you have a breakout.
      • If you're taking Zovirax (Acyclovir) for herpes, you should use barrier methods (condoms) when you're having sex since you can still pass it on to other people, even if you're taking the medication and you're not in a breakout.
      • You need to take this up to five times a day, so it can be inconvenient.
      Coming soon
      Tips from our pharmacists for people taking the medication
      ValtrexZoviraxFamvir
      • Works the best when taken as early as possible during an outbreak.
      • Drink plenty of fluids and stay hydrated while on Valtrex (Valacyclovir).
      • If you're taking this for herpes, use condoms and avoid sex if you're having an outbreak so you don't infect others.
      • Start taking Valtrex (Valacyclovir) as soon as you know you're going to have a breakout.
      • Can cause diarrhea, nausea, or weakness.
      • This isn't a cure for viral infections, but it'll help control infection breakouts.
      • Works the best when taken as early as possible during an outbreak.
      • Drink plenty of fluids and stay hydrated while on Zovirax (Acyclovir).
      • If you're taking this for herpes, use condoms and avoid sex if you're having an outbreak so you don't infect others.
      • Start taking Zovirax (Acyclovir) as soon as you know you're going to have a breakout.
      • Can cause diarrhea, nausea, or weakness.
      • This isn't a cure for viral infections, but it'll help control infection breakouts.
      Coming soon
      Learn more
      More about ValtrexSide effectsReviews & ratingsAlternativesFDA package insert
      Have you used Valtrex (valacyclovir)?
      Worth itNot sureNot worth it
      More about ZoviraxSide effectsReviews & ratingsFDA package insert
      Have you used Zovirax (acyclovir)?
      Worth itNot sureNot worth it
      More about FamvirSide effectsReviews & ratingsFDA package insert
      Have you used Famvir (famciclovir)?
      Worth itNot sureNot worth it