Acyclovir vs Valtrex for Cold Sores

Acyclovir
(Rx)
Valtrex
(Rx)
Acyclovir is an antiviral drug and a skin medication.
Valtrex is an antiviral drug.
Satisfaction Score
?
3.2
Moderately Satisfied
Satisfaction Score
?
3.0
Moderately Satisfied
Helpfulness
for Cold Sores
2.3
Concern level
1.7
Helpfulness
for Cold Sores
1.9
Concern level
1.8
Approval Date
+ -
April 22, 1997
June 23, 1995
Number of discussions around the web Number of discussions + -
31,039 Discussions
64,089 Discussions
Taken For
+ -
Condition
Number of posts
#1 for Herpes
#2 for Shingles
#3 for Cold Sores
#5 for Chicken Pox
Acyclovir is prescribed for Herpes, Shingles, Cold Sores and Genital Herpes and is mostly mentioned together with these indications.
Condition
Number of posts
#1 for Herpes
#2 for Cold Sores
#3 for Shingles
#5 for Chicken Pox
Valtrex is prescribed for Herpes, Cold Sores, Shingles and Genital Herpes and is mostly mentioned together with these indications.
Side Effects and Concerns
+ -
Acy
Tiredness
4
Acne
4
Depression
3
Allergy
3
Nausea
2
Weakness
2
Dizziness
1
Flu Like Symptoms
1
Hair Loss
1
Encephalitis
1
Val
Rash
8
Tiredness
4
Acne
4
Depression
4
Allergy
3
Anxiety
2
Nerve Pain
2
Nausea
2
Flu Like Symptoms
2
Paranoia
1
Compare concerns
By:
Acyclovir
Acy
Valtrex
Val
Tiredness
Acy
Val
4
4
Acne
Acy
Val
4
4
Depression
Acy
Val
3
4
Allergy
Acy
Val
3
3
Nausea
Acy
Val
2
2
Weakness
Acy
Val
2
0
Dizziness
Acy
Val
1
0
Flu Like Symptoms
Acy
Val
1
2
Hair Loss
Acy
Val
1
0
Encephalitis
Acy
Val
1
0
Rash
Val
Acy
8
0
Tiredness
Val
Acy
4
4
Acne
Val
Acy
4
4
Depression
Val
Acy
4
3
Allergy
Val
Acy
3
3
Anxiety
Val
Acy
2
0
Nerve Pain
Val
Acy
2
0
Nausea
Val
Acy
2
2
Flu Like Symptoms
Val
Acy
2
1
Paranoia
Val
Acy
1
0
Pregnancy Category (FDA) OpenClose all pregnancy categories
+ -
a b c d x n
Category A
Adequate and well-controllted studies have failed to demonstrate a risk to the fetus in the first trimester of pregnancy (and there is no evidence of risk in later trimesters).
Category B
Animal reproduction studies have failed to demonstrate a risk to the fetus and there are no adequate and well-controlled studies in pregnant women.
Category C
Animal reproduction studies have shown an adverse effect on the fetus and there are no adequate and well-controlled studies in humans, but potential benefits may warrant use of the drug in pregnant women despite potential risks.
Category D
There is positive evidence of human fetal risk based on adverse reaction data from investigational or marketing experience or studies in humans, but potential benefits may warrant use of the drug in pregnant women despite potential risks.
Category X
Studies in animals or humans have demonstrated fetal abnormalities and/or there is positive evidence of human fetal risk based on adverse reaction data from investigational or marketing experience, and the risks involved in use of the drug in pregnant women clearly outweigh potential benefits.
Category N
FDA has not classified the drug.
close
B Category B
Before taking Acyclovir during pregnancy, consult your doctor or pharmacists to weigh the risks and benefits.
B Category B
Before taking Valtrex during pregnancy, consult your doctor or pharmacists to weigh the risks and benefits.
Alcohol warning
+ -
There may be a negative interaction between Acyclovir and alcohol.
There may be a negative interaction between Valtrex and alcohol.
Method of use
+ -
Ointment, Pill
Pill
Dosages
+ -
Tablet: 50 mg, 400 mg, 800 mg
Suspension: 200 mg/5 mL, 200 mg/5 mL (5 mL)
Capsule: 200 mg
Cream: 5%
Ointment: 5%
Tablet: 1 gram, 500 mg, 1000 mg
Food Instructions
+ -
No Food Instructions
No Food Instructions
Ingredients
+ -
Acyclovir , Acyclovir; micronized
Valacyclovir Hcl
Drug Interactions
+ -
Interaction between Acyclovir and Valtrex: Interaction not known, but may still exist. Always consult your doctor before taking these medications together. Do not stop taking the medications without a physician's advice.
Read more about:
Acyclovir
Read more about:
Valtrex
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Treato does not review third-party posts for accuracy of any kind, including for medical diagnosis or treatments, or events in general. Treato does not provide medical advice, diagnosis or treatment. Usage of the website does not substitute professional medical advice.
The side effects featured here are based on those most frequently appearing in user posts on the Internet. The manufacturer's product labeling should always be consulted for a list of side effects most frequently appearing in patients during clinical studies. Talk to your doctor about which medications may be most appropriate for you.
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