Valacyclovir Hydrochloride (Page 7 of 8)

14.3 Herpes Zoster

Two randomized double-blind clinical trials in immunocompetent adults with localized herpes zoster were conducted. Valacyclovir hydrochloride tablets were compared with placebo in patients less than 50 years of age, and with oral acyclovir in patients greater than 50 years of age. All patients were treated within 72 hours of appearance of zoster rash. In patients less than 50 years of age, the median time to cessation of new lesion formation was 2 days for those treated with valacyclovir hydrochloride tablets compared with 3 days for those treated with placebo. In patients greater than 50 years of age, the median time to cessation of new lesions was 3 days in patients treated with either valacyclovir hydrochloride tablets or oral acyclovir. In patients less than 50 years of age, no difference was found with respect to the duration of pain after healing (post-herpetic neuralgia) between the recipients of valacyclovir hydrochloride tablets and placebo. In patients greater than 50 years of age, among the 83% who reported pain after healing (post-herpetic neuralgia), the median duration of pain after healing [95% confidence interval] in days was: 40 [31, 51], 43 [36, 55], and 59 [41, 77] for 7 day valacyclovir hydrochloride tablets, 14 day valacyclovir hydrochloride tablets, and 7 day oral acyclovir, respectively.

14.4 Chickenpox

The use of valacyclovir hydrochloride tablets for treatment of chickenpox in pediatric patients 2 to < 18 years of age is based on single-dose pharmacokinetic and multiple-dose safety data from an open-label trial with valacyclovir and supported by safety and extrapolated efficacy data from 3 randomized, double-blind, placebo-controlled trials evaluating oral acyclovir in pediatric patients.

The single-dose pharmacokinetic and multiple-dose safety study enrolled 27 pediatric patients 1 to < 12 years of age with clinically suspected VZV infection. Each subject was dosed with valacyclovir oral suspension, 20 mg/kg 3 times daily for 5 days. Acyclovir systemic exposures in pediatric patients following valacyclovir oral suspension were compared with historical acyclovir systemic exposures in immunocompetent adults receiving the solid oral dosage form of valacyclovir or acyclovir for the treatment of herpes zoster. The mean projected daily acyclovir exposures in pediatric patients across all age-groups (1 to < 12 years of age) were lower (Cmax : ↓13%, AUC: ↓30%) than the mean daily historical exposures in adults receiving valacyclovir 1 gram 3 times daily, but were higher (daily AUC: ↑50%) than the mean daily historical exposures in adults receiving acyclovir 800 mg 5 times daily. The projected daily exposures in pediatric patients were greater (daily AUC approximately 100% greater) than the exposures seen in immunocompetent pediatric patients receiving acyclovir 20 mg/kg 4 times daily for the treatment of chickenpox. Based on the pharmacokinetic and safety data from this study and the safety and extrapolated efficacy data from the acyclovir studies, oral valacyclovir 20 mg/kg 3 times a day for 5 days (not to exceed 1 gram 3 times daily) is recommended for the treatment of chickenpox in pediatric patients 2 to < 18 years of age. Because the efficacy and safety of acyclovir for the treatment of chickenpox in children < 2 years of age have not been established, efficacy data cannot be extrapolated to support valacyclovir treatment in children < 2 years of age with chickenpox. Valacyclovir is also not recommended for the treatment of herpes zoster in children because safety data up to 7 days’ duration are not available [see Use in Specific Populations (8.4) ].

16 HOW SUPPLIED/STORAGE AND HANDLING

Valacyclovir hydrochloride tablets are available as follows:

500 mg: blue, film-coated, capsule-shaped tablets, debossed with “93″ on one side and “7258″ on the other.

1 gram: blue, film-coated, capsule-shaped tablets, partially scored on both sides and debossed with “93″ on one side and “7259″ on the other.

They are supplied by State of Florida DOH Central Pharmacy as follows:

NDC Strength Quantity/Form Color Source Prod. Code
53808-0635-1 500 mg 30 Tablets in a Blister Pack BLUE 0093-7258

Storage:

Store at 20° to 25°C (68° to 77°F) [See USP Controlled Room Temperature].

17 PATIENT COUNSELING INFORMATION

See FDA-Approved Patient Labeling.

17.1 Importance of Adequate Hydration

Patients should be advised to maintain adequate hydration.

17.2 Cold Sores (Herpes Labialis)

Patients should be advised to initiate treatment at the earliest symptom of a cold sore (e.g., tingling, itching, or burning). There are no data on the effectiveness of treatment initiated after the development of clinical signs of a cold sore (e.g., papule, vesicle, or ulcer). Patients should be instructed that treatment for cold sores should not exceed 1 day (2 doses) and that their doses should be taken about 12 hours apart. Patients should be informed that valacyclovir hydrochloride tablets are not a cure for cold sores.

17.3 Genital Herpes

Patients should be informed that valacyclovir hydrochloride tablets are not a cure for genital herpes. Because genital herpes is a sexually transmitted disease, patients should avoid contact with lesions or intercourse when lesions and/or symptoms are present to avoid infecting partners. Genital herpes is frequently transmitted in the absence of symptoms through asymptomatic viral shedding. Therefore, patients should be counseled to use safer sex practices in combination with suppressive therapy with valacyclovir hydrochloride tablets. Sex partners of infected persons should be advised that they might be infected even if they have no symptoms. Type-specific serologic testing of asymptomatic partners of persons with genital herpes can determine whether risk for HSV-2 acquisition exists.

Valacyclovir hydrochloride tablets have not been shown to reduce transmission of sexually transmitted infections other than HSV-2.

If medical management of a genital herpes recurrence is indicated, patients should be advised to initiate therapy at the first sign or symptom of an episode.

There are no data on the effectiveness of treatment initiated more than 72 hours after the onset of signs and symptoms of a first episode of genital herpes or more than 24 hours after the onset of signs and symptoms of a recurrent episode.

There are no data on the safety or effectiveness of chronic suppressive therapy of more than 1 year’s duration in otherwise healthy patients. There are no data on the safety or effectiveness of chronic suppressive therapy of more than 6 months’ duration in HIV-infected patients.

17.4 Herpes Zoster

There are no data on treatment initiated more than 72 hours after onset of the zoster rash. Patients should be advised to initiate treatment as soon as possible after a diagnosis of herpes zoster.

17.5 Chickenpox

Patients should be advised to initiate treatment at the earliest sign or symptom of chickenpox.

Manufactured In Israel By:

TEVA PHARMACEUTICAL IND. LTD.

Jerusalem, 91010, Israel

Manufactured For:

TEVA PHARMACEUTICALS USA

Sellersville, PA 18960

This Product was Repackaged By:

State of Florida DOH Central Pharmacy
104-2 Hamilton Park Drive
Tallahassee, FL 32304
United States

PATIENT INFORMATION

VALACYCLOVIR HYDROCHLORIDE TABLETS

Read the Patient Information that comes with valacyclovir hydrochloride tablets before you start using them and each time you get a refill. There may be new information. This information does not take the place of talking to your healthcare provider about your medical condition or treatment. Ask your healthcare provider or pharmacist if you have questions.

What are valacyclovir hydrochloride tablets?

Valacyclovir hydrochloride tablets are a prescription antiviral medicine. Valacyclovir hydrochloride tablets lower the ability of herpes viruses to multiply in your body.

Valacyclovir hydrochloride tablets are used in adults:

  • to treat cold sores (also called fever blisters or herpes labialis)
  • to treat shingles (also called herpes zoster)
  • to treat or control genital herpes outbreaks in adults with normal immune systems
  • to control genital herpes outbreaks in adults infected with the human immunodeficiency virus (HIV) with CD4+ cell count greater than 100 cells/mm3
  • with safer sex practices to lower the chances of spreading genital herpes to others. Even with safer sex practices, it is still possible to spread genital herpes.

Valacyclovir hydrochloride tablets used daily with the following safer sex practices can lower the chances of passing genital herpes to your partner.

  • Do not have sexual contact with your partner when you have any symptom or outbreak of genital herpes.
  • Use a condom made of latex or polyurethane whenever you have sexual contact.

Valacyclovir hydrochloride tablets are used in children:

  • to treat cold sores (for children ≥ 12 years of age)
  • to treat chickenpox (for children 2 to < 18 years of age).

Valacyclovir hydrochloride tablets do not cure herpes infections (cold sores, chickenpox, shingles, or genital herpes).

The efficacy of valacyclovir hydrochloride tablets has not been studied in children who have not reached puberty.

What are cold sores, chickenpox, shingles, and genital herpes?

Cold sores are caused by a herpes virus that may be spread by kissing or other physical contact with the infected area of the skin. They are small, painful ulcers that you get in or around your mouth. It is not known if valacyclovir hydrochloride tablets can stop the spread of cold sores to others.

Chickenpox is caused by a herpes virus. It causes an itchy rash of multiple small, red bumps that look like pimples or insect bites usually appearing first on the abdomen or back and face. It can spread to almost everywhere else on the body and may be accompanied by flu-like symptoms.

Shingles is caused by the same herpes virus that causes chickenpox. It causes small, painful blisters that happen on your skin. Shingles occurs in people who have already had chickenpox. Shingles can be spread to people who have not had chickenpox or the chickenpox vaccine by contact with the infected areas of the skin. It is not known if valacyclovir hydrochloride tablets can stop the spread of shingles to others.

Genital herpes is a sexually transmitted disease. It causes small, painful blisters on your genital area. You can spread genital herpes to others, even when you have no symptoms. If you are sexually active, you can still pass herpes to your partner, even if you are taking valacyclovir hydrochloride tablets. Valacyclovir hydrochloride tablets, taken every day as prescribed and used with the following safer sex practices , can lower the chances of passing genital herpes to your partner.

  • Do not have sexual contact with your partner when you have any symptom or outbreak of genital herpes.
  • Use a condom made of latex or polyurethane whenever you have sexual contact.

Ask your healthcare provider for more information about safer sex practices.

Who should not take valacyclovir hydrochloride tablets?

Do not take valacyclovir hydrochloride tablets if you are allergic to any of their ingredients or to acyclovir. The active ingredient is valacyclovir. See the end of this leaflet for a complete list of ingredients in valacyclovir hydrochloride tablets.

Before taking valacyclovir hydrochloride tablets, tell your healthcare provider:

About all your medical conditions, including:

  • if you have had a bone marrow transplant or kidney transplant, or if you have advanced HIV disease or “AIDS”. Patients with these conditions may have a higher chance for getting a blood disorder called thrombotic thrombocytopenic purpura/hemolytic uremic syndrome (TTP/HUS). TTP/HUS can result in death.
  • if you have kidney problems. Patients with kidney problems may have a higher chance for getting side effects or more kidney problems with valacyclovir hydrochloride tablets. Your healthcare provider may give you a lower dose of valacyclovir hydrochloride tablets.
  • if you are 65 years of age or older. Elderly patients have a higher chance of certain side effects. Also, elderly patients are more likely to have kidney problems. Your healthcare provider may give you a lower dose of valacyclovir hydrochloride tablets.
  • if you are pregnant or planning to become pregnant. Talk with your healthcare provider about the risks and benefits of taking prescription drugs (including valacyclovir hydrochloride tablets) during pregnancy.
  • if you are breastfeeding. Valacyclovir hydrochloride may pass into your milk and it may harm your baby. Talk with your healthcare provider about the best way to feed your baby if you are taking valacyclovir hydrochloride tablets.
  • about all the medicines you take, including prescription and non-prescription medicines, vitamins, and herbal supplements. Valacyclovir hydrochloride tablets may affect other medicines, and other medicines may affect valacyclovir hydrochloride tablets. It is a good idea to keep a complete list of all the medicines you take. Show this list to your healthcare provider and pharmacist any time you get a new medicine.

How should I take valacyclovir hydrochloride tablets?

Take valacyclovir hydrochloride tablets exactly as prescribed by your healthcare provider. Your dose of valacyclovir hydrochloride tablets and length of treatment will depend on the type of herpes infection that you have and any other medical problems that you have.

  • Do not stop valacyclovir hydrochloride tablets or change your treatment without talking to your healthcare provider.
  • Valacyclovir hydrochloride tablets can be taken with or without food.
  • If you are taking valacyclovir hydrochloride tablets to treat cold sores, chickenpox, shingles, or genital herpes, you should start treatment as soon as possible after your symptoms start. Valacyclovir hydrochloride tablets may not help you if you start treatment too late.
  • If you miss a dose of valacyclovir hydrochloride tablets, take it as soon as you remember and then take your next dose at its regular time. However, if it is almost time for your next dose, do not take the missed dose. Wait and take the next dose at the regular time.
  • Do not take more than the prescribed number of valacyclovir hydrochloride tablets each day. Call your healthcare provider right away if you take too many valacyclovir hydrochloride tablets.

What are the possible side effects of valacyclovir hydrochloride tablets?

Kidney failure and nervous system problems are not common, but can be serious in some patients taking valacyclovir hydrochloride tablets. Nervous system problems include aggressive behavior, unsteady movement, shaky movements, confusion, speech problems, hallucinations (seeing or hearing things that are really not there), seizures, and coma. Kidney failure and nervous system problems have happened in patients who already have kidney disease and in elderly patients whose kidneys do not work well due to age. Always tell your healthcare provider if you have kidney problems before taking valacyclovir hydrochloride tablets. Call your doctor right away if you get a nervous system problem while you are taking valacyclovir hydrochloride tablets.

Common side effects of valacyclovir hydrochloride tablets in adults include headache, nausea, stomach pain, vomiting, and dizziness. Side effects in HIV-infected adults include headache, tiredness, and rash. These side effects usually are mild and do not cause patients to stop taking valacyclovir hydrochloride tablets.

Other less common side effects in adults include painful periods in women, joint pain, depression, low blood cell counts, and changes in tests that measure how well the liver and kidneys work.

The most common side effect seen in children < 18 years of age was headache.

Talk to your healthcare provider if you develop any side effects that concern you.

These are not all the side effects of valacyclovir hydrochloride tablets. For more information ask your healthcare provider or pharmacist.

How should I store valacyclovir hydrochloride tablets?

  • Store valacyclovir hydrochloride tablets at room temperature, 20° to 25°C (68° to 77°F).
  • Store valacyclovir hydrochloride suspension between 2° to 8°C (36° to 46°F) in a refrigerator. Discard after 28 days.
  • Keep valacyclovir hydrochloride tablets in a tightly closed container.
  • Do not keep medicine that is out of date or that you no longer need.
  • Keep valacyclovir hydrochloride tablets and all medicines out of the reach of children.

General information about valacyclovir hydrochloride tablets

Medicines are sometimes prescribed for conditions that are not mentioned in patient information leaflets. Do not use valacyclovir hydrochloride tablets for a condition for which they were not prescribed. Do not give valacyclovir hydrochloride tablets to other people, even if they have the same symptoms you have. They may harm them.

This leaflet summarizes the most important information about valacyclovir hydrochloride tablets. If you would like more information, talk with your healthcare provider. You can ask your healthcare provider or pharmacist for information about valacyclovir hydrochloride tablets that is written for health professionals. More information is available by calling 1-888-838-2872, MEDICAL AFFAIRS.

What are the ingredients in valacyclovir hydrochloride tablets?

Active Ingredient: valacyclovir hydrochloride

Inactive Ingredients: cellulose, croscarmellose sodium, FD&C blue #2, hypromellose, maize starch, polyethylene glycol, polysorbate 80, sodium stearyl fumarate, and titanium dioxide.

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