Herpes / Cold Sores

Cold Sore & Herpes Outbreak Treatment Online | Valacyclovir Prescription for Antiviral Relief Provided by ARSYNL Rx

At ARSYNL Rx, we make managing cold sores and herpes outbreaks simple, discreet, and doctor-guided. Our treatment options include Valacyclovir, an antiviral medication used to help reduce outbreak severity and duration when taken as prescribed. Through our secure telehealth platform, U.S.-licensed providers review your symptoms and medical history to determine if Valacyclovir is appropriate for you. Prescriptions are personalized and shipped directly to your door for privacy and convenience. Treatment eligibility and response times vary. Experience trusted, confidential cold sore and herpes management with ARSYNL Rx—where expert care meets convenient, prescription-based treatment.

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U.S. board certified physicians

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$60.00 USD

What Are Cold Sores and the Herpes Virus?

Cold sores, also known as fever blisters, are small, fluid-filled lesions caused by the herpes simplex virus (HSV-1 or HSV-2). Once a person contracts the virus, it remains in the body in a dormant state and can reactivate during times of stress, illness, sun exposure, or weakened immunity. These outbreaks can cause pain, itching, burning, and visible blisters, typically around the lips, mouth, or genitals depending on the virus type.

While herpes is a chronic viral condition, modern antiviral medications make it highly manageable. Recognizing early symptoms and beginning treatment promptly can significantly reduce the duration, severity, and frequency of outbreaks. Understanding triggers and maintaining a consistent antiviral regimen are key to long-term management and comfort.

What to Expect When Using Valacyclovir (Valtrex)

Valacyclovir is a clinically proven antiviral medication used to treat herpes simplex virus infections, including cold sores, genital herpes, and shingles. It works by inhibiting viral replication, preventing the virus from multiplying and allowing the body’s immune system to control the infection more effectively.

When taken at the first sign of symptoms—such as tingling, itching, or burning—Valacyclovir can help:

Shorten the duration of active outbreaks
Reduce pain, redness, and discomfort
Promote faster healing of blisters and sores
Lower the risk of transmission to others during active infection
Decrease recurrence frequency with ongoing or suppressive therapy

Valacyclovir is generally well-tolerated and most effective when used consistently as prescribed. With proper management, individuals can experience fewer outbreaks and improved quality of life, keeping symptoms under control and maintaining confidence and comfort.

How it works

Step - 1

Take the health questionnaire

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100% online and confidential health intake form

Step - 2

Get your prescription

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All prescriptions overseen by fully licensed and insured physicians

Step - 3

Get your meds

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Fast free delivery from our accredited pharmacies

Why choose ARSYNL Rx Telemedicine?

US-licensed professionals

Experienced healthcare providers committed to your well-being.

No insurance needed

Upfront pricing, with no hidden fees.

Ongoing medical support

Ongoing assistance with your specific health condition

Frequently Asked Questions

Valacyclovir is an oral tablet, prescription medicine that is FDA approved to treat cold sores and genital herpes.

Valacyclovir is an antiviral medication that is used to treat certain viral infections, primarily caused by herpes viruses. Valacyclovir works by inhibiting the replication of herpes viruses. It does this by interfering with the viral DNA synthesis process. By inhibiting viral DNA synthesis, Valacyclovir helps to reduce the spread of the virus and control the infection. It is most commonly used to treat genital herpes and cold sores (oral herpes). It’s essential to note that while Valacyclovir can help manage herpes virus infections, it does not cure the infection completely. The virus remains in the body, and outbreaks may still occur, especially during times of weakened immunity or stress.

Valacyclovir is effective in reducing the frequency and severity of herpes outbreaks. For people with recurrent herpes infections, taking Valacyclovir regularly can help suppress the virus and decrease the number of outbreaks experienced. When taken during an active herpes outbreak, Valacyclovir can help speed up the healing process and reduce the duration of symptoms like pain, itching, and blisters.

Valacyclovir can reduce the risk of transmitting herpes to sexual partners when taken as a daily suppressive therapy. However, it’s essential to use additional precautions such as condoms, as the risk of transmission is not completely eliminated.

The duration of Valacyclovir treatment will vary depending on the reason for use. For acute outbreaks, treatment is usually for a few days. For suppressive therapy, it may be taken daily for an extended period under the guidance of a healthcare professional.

Valacyclovir works best if it is used within 48 hours after the first symptoms of genital herpes (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. For these recurrent outbreaks, taking Valacyclovir daily instead of just during an outbreak, will greatly reduce the number of total outbreaks per year.

Valacyclovir works very well for the treatment of cold sores and genital herpes. Like most medications, Valacyclovir may cause side effects in some individuals.

Common side effects include:

Nausea and vomiting
Headache
Dizziness
Abdominal pain
Diarrhea
Skin rash
Fatigue or weakness

Most of these side effects are generally mild and go away on their own without any specific treatment. However, if any of these side effects persist or become bothersome, it’s essential to inform your healthcare provider.

In rare cases, Valacyclovir can cause more serious side effects that require immediate medical attention. If you experience any of the following severe side effects, seek medical help right away:

Allergic reactions: Signs may include rash, itching, swelling of the face, lips, tongue, or throat, severe dizziness, and difficulty breathing.
Unusual bruising or bleeding: Valacyclovir can affect the blood’s clotting ability in some cases.
Kidney problems: Symptoms may include change in the amount of urine, back/side pain, or signs of dehydration.
Neurological symptoms: Rarely, some people may experience confusion, hallucinations, tremors, or seizures.

It’s essential to take Valacyclovir as prescribed by your doctor and inform them about any other medications or supplements you are taking to avoid potential drug interactions. If you have a history of kidney problems or immune system issues, let your healthcare provider know, as they may need to adjust the dosage or monitor your condition more closely.

If you are taking Valacyclovir for an outbreak and you miss a dose, you may need to start your therapy over again. Consult with your healthcare provider or pharmacist. If taking Valacyclovir for suppressive therapy and you miss a daily dose, take your dose as soon as you remember if it is same-day. If you completely missed a daily dose, go back to your normal dosing schedule the next day. Do not double up on the next day’s dose.

Keep this medication in the original container that you received it in, tightly closed, and out of reach of children. Store it at room temperature and away from excess heat and moisture (not in the bathroom).