Valtrex is not recommended for treating cold sores in children of this age group. But it can be used to treat chickenpox in children ages 2 years and older. Most people in the study took Valtrex within two hours of noticing their first cold sore symptoms. People with kidney damage or kidney failure may need a lower dosage of Valtrex. Be sure to tell your doctor if you have kidney problems before you start taking the drug. There are also natural treatments that may help ease symptoms of a cold sore during an outbreak.
For more information about Valtrex, talk with your doctor. Feel free to review this article with them and ask any questions you have, like:. Together, you and your doctor can decide if Valtrex or another medication or treatment is a good choice to treat your cold sores. For more information, read about the seven best cold sore remedies. Herpes simplex virus is common in the United States. Herpes esophagitis is caused by the herpes simplex virus type 1 HSV The infection can cause some chest pain and difficulty swallowing.
Recurrent herpes simplex labialis is a condition of the mouth caused by the herpes simplex virus. HPV and herpes are both common viruses that are typically transmitted sexually. They share many traits: Both can present with genital warts, have no…. Lead in water pipes can cause a number of long lasting health effects, and experts say children are particularly vulnerable to them. For people with a history of 9 or fewer recurrences per year, the recommended dosage of valacyclovir is mg orally once daily.
This dose helps to reduce the risk of transmitting genital herpes to others. To treat cold sores, the usual dose of valacyclovir is 2, mg at the first sign of symptoms, followed by another 2, mg 12 hours later. The treatment should be started at the first sign of a cold sore tingling, itching, or burning sensations for best effectiveness.
Many things can affect the dose of medication that a person needs, such as body weight, other medical conditions, and other medications. If your doctor has recommended a dose different from the ones listed here, do not change the way you are using the medication without talking to your doctor. Valacyclovir can be taken with or without food. If it causes stomach upset, taking it with food may help. Make sure you drink enough water to prevent dehydration while taking valacyclovir.
It is important to take this medication exactly as prescribed by your doctor. If you miss a dose, take it as soon as possible and continue with your regular dosing schedule. If it is almost time for your next dose, skip the missed dose and continue with your usual dosing schedule. Do not take a double dose to make up for a missed one. If you are not sure what to do after missing a dose, contact your doctor or pharmacist for advice. Store this medication at room temperature, protect it from light and moisture, and keep it out of the reach of children.
Do not dispose of medications in wastewater e. Ask your pharmacist how to dispose of medications that are no longer needed or have expired. Do not take this medication if you are allergic to valacyclovir, acyclovir, or any ingredients of the medication. Many medications can cause side effects. A side effect is an unwanted response to a medication when it is taken in normal doses. Side effects can be mild or severe, temporary or permanent. The side effects listed below are not experienced by everyone who takes this medication.
If you are concerned about side effects, discuss the risks and benefits of this medication with your doctor. Many of these side effects can be managed, and some may go away on their own over time. Contact your doctor if you experience these side effects and they are severe or bothersome.
Your pharmacist may be able to advise you on managing side effects. Although most of the side effects listed below don't happen very often, they could lead to serious problems if you do not seek medical attention. Stop taking the medication and seek immediate medical attention if any of the following occur:. Some people may experience side effects other than those listed. Check with your doctor if you notice any symptom that worries you while you are taking this medication.
Before you begin using a medication, be sure to inform your doctor of any medical conditions or allergies you may have, any medications you are taking, whether you are pregnant or breast-feeding, and any other significant facts about your health.
These factors may affect how you should use this medication. Genital herpes: To reduce the risk of spreading the virus, wash your hands immediately after touching your skin sores. Although certain medicines should not be used together at all, in other cases two different medicines may be used together even if an interaction might occur. In these cases, your doctor may want to change the dose, or other precautions may be necessary. When you are taking this medicine, it is especially important that your healthcare professional know if you are taking any of the medicines listed below.
The following interactions have been selected on the basis of their potential significance and are not necessarily all-inclusive. Using this medicine with any of the following medicines is usually not recommended, but may be required in some cases. If both medicines are prescribed together, your doctor may change the dose or how often you use one or both of the medicines.
Using this medicine with any of the following medicines may cause an increased risk of certain side effects, but using both drugs may be the best treatment for you. Certain medicines should not be used at or around the time of eating food or eating certain types of food since interactions may occur. Using alcohol or tobacco with certain medicines may also cause interactions to occur. Discuss with your healthcare professional the use of your medicine with food, alcohol, or tobacco. The presence of other medical problems may affect the use of this medicine.
Make sure you tell your doctor if you have any other medical problems, especially:. Valacyclovir works best if it is used within 48 hours after the first symptoms of shingles or genital herpes e.
For recurrent outbreaks of genital herpes, valacyclovir works best if it is used within 24 hours after the symptoms begin to appear. If you are taking valacyclovir for the treatment of chickenpox, it is best to start taking valacyclovir as soon as possible after the first sign of the chickenpox rash appears, usually within one day.
If you are using the oral suspension, use a specially marked measuring spoon or other device to measure each dose accurately. The average household teaspoon may not hold the right amount of liquid. Drink extra fluids so you will pass more urine while you are using this medicine. This will keep your kidneys working well and help prevent kidney problems.
To help clear up your infection, keep taking valacyclovir for the full time of treatment, even if your symptoms begin to clear up after a few days. Do not miss any doses. However, do not use this medicine more often or for a longer time than your doctor ordered.
The dose of this medicine will be different for different patients. Follow your doctor's orders or the directions on the label. The following information includes only the average doses of this medicine.
If your dose is different, do not change it unless your doctor tells you to do so.
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