Question: Does Valtrex Or Acyclovir Work Better?

Can you have an outbreak while taking Valtrex?

Can you have an outbreak while taking Valtrex.

Yes, while daily Valtrex has been shown to reduce genital herpes outbreaks by 70% to 80%, it is still possible to have an outbreak while taking the medication.

However, the frequency of outbreaks tends to go down over time for a lot of people..

How long does it take Valtrex to clear up an outbreak?

For most initial herpes outbreaks and cases of recurring herpes, valacyclovir takes effect very quickly and provides some level of relief in as little as two to three days. Generally, the sooner you take valacyclovir after noticing symptoms, the faster it will be to provide relief.

How long after taking Valtrex are you not contagious?

When taken as soon as you notice a herpes outbreak, valacyclovir can provide relief in as little as two to three days, minimizing symptoms and reducing the risk of you passing genital herpes to sexual partners.

How quickly does acyclovir work?

May take up to two hours to reach peak plasma concentrations after oral acyclovir administration. May take up to three days for symptom reduction; however, acyclovir should be taken until the course prescribed is completed. Acyclovir works best when started within 48 hours of symptom onset.

How long does it take for Valtrex to work on shingles?

Valacyclovir works best if it is used within 48 hours after the first symptoms of shingles or genital herpes (e.g., pain, burning, or blisters) begin to appear. For recurrent outbreaks of genital herpes, valacyclovir works best if it is used within 24 hours after the symptoms begin to appear.

Is valacyclovir more effective than acyclovir?

Valacyclovir is the most commonly prescribed medication for genital herpes and cold sores; it’s a longer-acting version of acyclovir. Taken regularly, valacyclovir has been shown to be effective suppressive therapy against recurrent genital herpes and cold sores, reducing the frequency of outbreaks.

Is Valtrex and Acyclovir the same thing?

Valacyclovir (Valtrex) and acyclovir (Zovirax) are antiviral drugs that work by interfering with viral DNA replication. Both drugs target the same viruses but valacyclovir provides longer duration of action, therefore, doses can be taken fewer times every day – this is the only real advantage.

Does acyclovir lower your immune system?

This medication may rarely cause a life-threatening disorder that affects the blood cells, kidneys, and other parts of the body. This disorder is more likely to occur if you have conditions related to a weakened immune system (such as HIV disease, bone marrow transplant, kidney transplant).

What can I take instead of Valtrex?

Besides Valtrex, two other antiviral drugs can kill the varicella-zoster virus, acyclovir (Zovirax) and famciclovir (Famvir).

Is valacyclovir better than acyclovir for shingles?

The intent-to-treat analysis (1,141 patients) showed that valaciclovir for 7 or 14 days significantly accelerated the resolution of herpes zoster-associated pain (P = 0.001 and P = 0.03, respectively) compared with acyclovir; median pain durations were 38 and 44 days, respectively, versus 51 days for acyclovir.

Does Famvir work better than Valtrex?

Conclusion: Valacyclovir appear to be somewhat better than famciclovir for suppression of genital herpes and associated shedding. Further comparative trials of antiviral drugs for various indications should be performed as acyclovir and penciclovir appear to have different ability to abrogate HSV reactivation.

Is there an over the counter Valtrex?

Valacyclovir is a prescription medication and, as a result, one cannot get Valtrex over-the-counter (OTC valacyclovir).