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Valacyclovir STD Prescription Medication

Valacyclovir is a popular antiviral drug used to treat or manage diseases caused by specific types of viruses. Valacyclovir commonly treats cold sores that usually occur around the mouth and shingles mainly caused by herpes zoster.

Valacyclovir is used to manage genital herpes outbreaks as well. It can minimize the frequency rate especially for individuals who experience frequent outbreaks.

Valacyclovir functions by eliminating the growth of certain viruses. It does not get rid of the infections. The herpes virus continues to stay in the body causing reoccurring outbreaks when favorable conditions.

Valacyclovir, therefore, minimizes the duration or the severity of the outbreaks. It helps in healing the sores rapidly, preventing new sores from emerging and forming, and reducing pain or any associated itch. Valacyclovir may reduce the duration of the pain that occurs in the aftermath of healing sores.

Valacyclovir treatments for children include chickenpox whose causative agent is Varicella zoster and cold sores mainly caused by herpes simplex.

How to use Valacyclovir

Valacyclovir is orally taken since it comes in tablet form. When treating shingles, take one tablet every eight hours, three times a day for a whole week, seven days. For genital herpes take two times a day, for example, in the morning and at night for five days.

It is advisable to follow the directions found on the prescription label carefully. If you happen to see any section that you do not understand, always ask your doctor to provide an extensive explanation. Doctors recommend treatment as soon as you notice any symptoms.

It also recommended continuing taking Valacyclovir even after you start feeling well. Do not discontinue your medication treatment without consulting your doctor.

Before taking Valacyclovir

Ask your doctor about the side effects Valacyclovir. It helps determine if the harm it may cause would be more than the good. Your doctor can provide guidance when deciding on your treatment options.

Valacyclovir treats the outbreaks of genital herpes but does not eliminate the virus. You still can infect others even when you are on the medication because herpes infections are quite contagious.

To prevent the spread of genital herpes, use a latex condom during all intercourse. Keep the infected areas from coming into contact with others. Wash your hands thoroughly immediately after touching an infected area. It helps in the prevention of passing the virus to other people.

Allergic Reactions

If you have used this medication and had an allergic reaction, you should inform your doctor. If you have allergic reactions to other types of drugs also notify your doctor.

If you also have other forms of allergies, such as to certain types of foods, animals, preservatives, or dyes, do not forget to mention such details to your doctor. Remember to carefully read the ingredients on the package or label of non-prescription medicine or products.

Common Valacyclovir Side effects

If any the following symptoms become severe, please consult your doctor

  • Headache
  • Vomiting
  • Constipation
  • Diarrhea

If any of the following side effects appear, contact your doctor immediately

  • Confusion
  • Fever
  • Itching
  • Yellowness of the eyes or skin
  • Rash
  • Blood in urine

Important Patient Information

VALACYCLOVIR - ORAL (val-uh-SYE-klo-veer) COMMON BRAND NAME(S): Valtrex

IMPORTANT: HOW TO USE THIS INFORMATION: This is a summary and does NOT have all possible information about this product. This information does not assure that this product is safe, effective, or appropriate for you. This information is not individual medical advice and does not substitute for the advice of your health care professional. Always ask your health care professional for complete information about this product and your specific health needs.

USES: Valacyclovir is used to treat infections caused by certain types of viruses. In children, it is used to treat cold sores around the mouth (caused by herpes simplex) and chickenpox (caused by varicella zoster). In adults, it is used to treat shingles (caused by herpes zoster) and cold sores around the mouth. Valacyclovir is also used to treat outbreaks of genital herpes. In people with frequent outbreaks, this medication is used to reduce the number of future episodes. Valacyclovir is an antiviral drug. It stops the growth of certain viruses. However, it is not a cure for these infections. The viruses that cause these infections continue to live in the body even between outbreaks. Valacyclovir decreases the severity and length of these outbreaks. It helps the sores heal faster, keeps new sores from forming, and decreases pain/itching. This medication may also help reduce how long pain remains after the sores heal.

HOW TO USE: Read the Patient Information Leaflet if available from your pharmacist before you start taking valacyclovir and each time you get a refill. If you have any questions, ask your doctor or pharmacist. Take valacyclovir by mouth, with or without food, as directed by your doctor. Drink plenty of fluids while taking this medication to lower the chance of side effects. The dosage and length of treatment are based on your type of infection, medical condition, and response to treatment. For treating chickenpox in children, the dosage is also based on weight. This medication works best when started at the first sign of an outbreak, as directed by your doctor. It may not work as well if you delay treatment. For shingles or chickenpox, start taking valacyclovir at the first symptom or as soon as possible after the rash appears. For cold sores or genital herpes, start taking this medication at the first sign or as soon as you feel tingling, itching, or burning. Valacyclovir works best when the amount of medicine in your body is kept at a constant level. Therefore, take this drug at evenly spaced intervals. To help you remember, take it at the same time(s) each day. Continue to take this medication until the full prescribed amount is finished. Do not change your dose, skip any doses, or stop this medication early without your doctor's approval. Tell your doctor if your condition persists or worsens.

SIDE EFFECTS: Nausea, stomach pain, headache, or dizziness may occur. If any of these effects persist or worsen, tell your doctor or pharmacist promptly. Remember that your doctor has prescribed this medication because he or she has judged that the benefit to you is greater than the risk of side effects. Many people using this medication do not have serious side effects. Tell your doctor right away if you have any serious side effects, including: mental/mood changes (such as agitation, confusion, hallucinations), trouble speaking, shaky/unsteady movements, signs of kidney problems (such as change in the amount of urine). 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). Get medical help right away if you have any serious side effects, including: extreme tiredness, slow/fast/irregular heartbeat, easy bruising/bleeding, new fever, bloody/dark urine, severe stomach/abdominal pain, yellowing eyes/skin, sudden vision changes, loss of consciousness, seizures. A very serious allergic reaction to this drug is rare. However, get medical help right away if you notice any symptoms of a serious allergic reaction, including: rash, itching/swelling (especially of the face/tongue/throat), severe dizziness, trouble breathing. This is not a complete list of possible side effects. If you notice other effects not listed above, contact your doctor or pharmacist. In the US - Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088 or at www.fda.gov/medwatch. In Canada - Call your doctor for medical advice about side effects. You may report side effects to Health Canada at 1-866-234-2345.

PRECAUTIONS: See also Side Effects section. Before taking valacyclovir, tell your doctor or pharmacist if you are allergic to it; or to acyclovir; or if you have any other allergies. This product may contain inactive ingredients, which can cause allergic reactions or other problems. Talk to your pharmacist for more details. Before using this medication, tell your doctor or pharmacist your medical history, especially of: kidney problems. This drug may rarely make you dizzy. Alcohol or marijuana (cannabis) can make you more dizzy. Do not drive, use machinery, or do anything that needs alertness until you can do it safely. Limit alcoholic beverages. Talk to your doctor if you are using marijuana (cannabis). Before having surgery, tell your doctor or dentist about all the products you use (including prescription drugs, nonprescription drugs, and herbal products). Do not have certain immunizations/vaccinations (such as vaccines against the varicella virus) without the consent of your doctor. Older adults may be more sensitive to the side effects of this drug, especially mental/mood changes (such as confusion, agitation) and kidney problems (such as a change in the amount of urine). Cold sores can spread easily. Avoid close physical contact with others (such as kissing) during an outbreak until the cold sores have completely healed. Try not to touch the cold sore. If you do, wash your hands afterward. Valacyclovir does not prevent the spread of herpes. To lower the chance of giving genital herpes to your partner, do not have sexual contact during an outbreak or if you have symptoms. You can spread genital herpes even if you do not have symptoms. Therefore, always use an effective barrier method (latex or polyurethane condoms/dental dams) during all sexual activity. Consult your doctor or pharmacist for more details. During pregnancy, this medication should be used only when clearly needed. Discuss the risks and benefits with your doctor. This medication passes into breast milk, but is unlikely to harm a nursing infant. Consult your doctor before breast-feeding.

DRUG INTERACTIONS: Drug interactions may change how your medications work or increase your risk for serious side effects. This document does not contain all possible drug interactions. Keep a list of all the products you use (including prescription/nonprescription drugs and herbal products) and share it with your doctor and pharmacist. Do not start, stop, or change the dosage of any medicines without your doctor's approval. Some products that may interact with this drug include: other drugs that may cause kidney problems (including nonsteroidal anti-inflammatory drugs-NSAIDs such as ibuprofen, naproxen). Valacyclovir is very similar to acyclovir. Do not use medications containing acyclovir while using valacyclovir.

OVERDOSE: If someone has overdosed and has serious symptoms such as passing out or trouble breathing, call 911. Otherwise, call a poison control center right away. US residents can call their local poison control center at 1-800-222-1222. Canada residents can call a provincial poison control center. Symptoms of overdose may include: change in the amount of urine, extreme tiredness, mental/mood changes, loss of consciousness, seizures.

MISSED DOSE: If you miss a dose, take it as soon as you remember. If it is near the time of the next dose, skip the missed dose. Take your next dose at the regular time. Do not double the dose to catch up.

STORAGE: Store at room temperature away from light and moisture. Do not store in the bathroom. Keep all medications away from children and pets. Do not flush medications down the toilet or pour them into a drain unless instructed to do so. Properly discard this product when it is expired or no longer needed. Consult your pharmacist or local waste disposal company.

Prescribing Information

This product information is intended for United States residents only. Before prescribing, please refer to the patient information. You can view the document and also download it on your computer. You may also consider printing out a copy for yourself.

• View US Prescribing Information - PDF Version

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