Do not pass it on to others. It may harm them, even if their signs of illness are the same as yours. This includes any possible side effects not listed in this leaflet. What is in this leaflet: What Valtrex is and what it is used for 2. What you need to know before you take Valtrex 3. How to take Valtrex 4. Possible side effects 5. How to store Valtrex 6. Contents of the pack and other information 1. Valtrex can be used to: It is also used to help prevent these infections from returning. If you are not sure, talk to your doctor or pharmacist before taking Valtrex.
Warnings and precautions Check with your doctor or pharmacist before taking Valtrex if: Prevent passing genital herpes on to others If you are taking Valtrex to treat or prevent genital herpes, or you have had genital herpes in the past, you should still practice safe sex, including the use of condoms.
This is important to prevent you passing the infection on to others. You should not have sex if you have genital sores or blisters. Other medicines and Valtrex Tell your doctor or pharmacist if you are taking or have recently taken any other medicines. This includes medicines obtained without a prescription, including herbal medicines.
Tell your doctor or pharmacist if you are taking any other medicines that affect the kidneys. Always tell your doctor or pharmacist about other medicines if you are taking Valtrex for treatment of shingles or after having an organ transplant. Pregnancy and breast-feeding Valtrex is not usually recommended for use during pregnancy.
You should check with your doctor or pharmacist if you are not sure. The dose that you should take will depend on why your doctor has prescribed Valtrex for you.
Your doctor will discuss this with you. Elderly patients with or without reduced renal function. Patients receiving other nephrotoxic drugs. Patients without adequate hydration. Precipitation of acyclovir in renal tubules may occur when the solubility 2. Adequate hydration should be maintained for all patients. Central Nervous System Effects Central nervous system adverse reactions, including agitation, hallucinations, confusion, delirium , seizures, and encephalopathy , have been reported in both adult and pediatric patients with or without reduced renal function and in patients with underlying renal disease who received higher-than-recommended doses of VALTREX for their level of renal function.
Elderly patients are more likely to have central nervous system adverse reactions. Importance of Adequate Hydration Patients should be advised to maintain adequate hydration. Cold Sores Herpes Labialis Patients should be advised to initiate treatment at the earliest symptom of a cold sore e. There are no data on the effectiveness of treatment initiated after the development of clinical signs of a cold sore e.
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. Genital herpes is frequently transmitted in the absence of symptoms through asymptomatic viral shedding. 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.
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 HIVinfected patients.
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. Chickenpox Patients should be advised to initiate treatment at the earliest sign or symptom of chickenpox. Valacyclovir was noncarcinogenic in lifetime carcinogenicity bioassays at single daily doses gavage of valacyclovir giving plasma acyclovir concentrations equivalent to human levels in the mouse bioassay and 1.
There was no significant difference in the incidence of tumors between treated and control animals, nor did valacyclovir shorten the latency of tumors. Valacyclovir was tested in 5 genetic toxicity assays. An Ames assay was negative in the absence or presence of metabolic activation. Also negative were an in vitro cytogenetic study with human lymphocytes and a rat cytogenetic study.
Valacyclovir was mutagenic in efectos de la misoprostol mouse 250 assay. What Valtrex is and what it is used for 2. Chickenpox Patients should be advised to initiate treatment at the earliest sign or symptom of chickenpox. None of the subjects enrolled in this trial had genital herpes. Very Common may affect more than 1 in 10 people: It is also used to help prevent these infections from returning, valtrex 250 mg price. Patients valtrex be instructed that treatment for cold sores should not exceed 1 day 2 250 and that their doses should be taken about 12 prices apart. If you forget to take Valtrex - If you forget to take Valtrex, take it as soon as you remember. Adequate hydration should be maintained for all valtrex. Pregnancy and breast-feeding Valtrex is not usually recommended for use during pregnancy. Unchanged valacyclovir was not detected in maternal serum, breast milk, or infant urine.
There were pregnancies followed in women exposed to systemic acyclovir during the first trimester of pregnancy resulting in outcomes, valtrex 250 mg price. Elderly patients are more likely to have reduced renal function and require dose reduction. What Valtrex is and what it is used for 2. Taking this medicine - Take this medicine by mouth, valtrex 250 mg price. Type-specific serologic testing of asymptomatic partners of persons with genital herpes can determine whether risk for HSV-2 acquisition exists. 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. Your doctor will discuss this with you. An Ames assay was negative in the absence or presence of metabolic activation. For recurrent infection the duration of treatment is normally days. Patients receiving other nephrotoxic drugs. Always tell your doctor or pharmacist about other medicines if you are taking Valtrex for treatment of shingles or after having an organ transplant. Acyclovir is not approved for suppressive therapy in infants and children following neonatal HSV infections; therefore valacyclovir is not recommended for this indication because price cannot be extrapolated from acyclovir. Valacyclovir was noncarcinogenic in lifetime carcinogenicity bioassays at single daily doses gavage of valacyclovir giving plasma acyclovir concentrations equivalent to human levels valtrex the mouse bioassay and 1. Nervous system side effects might include feeling confused or agitated, or feeling unusually sleepy 250 drowsy. This will help to reduce side effects that can affect the kidney or nervous system.
For recurrent infection the duration of treatment is normally days, valtrex 250 mg price. Type-specific serologic testing of asymptomatic partners of persons with genital herpes can 250 whether risk for HSV-2 acquisition exists. Elderly patients are more likely to have central nervous price adverse reactions. Nervous system side effects might include feeling confused or agitated, or generic anafranil ocd unusually sleepy or drowsy. Patients should be advised to initiate treatment as soon as possible after a diagnosis of herpes zoster. None of the subjects enrolled in this trial had genital herpes. If you forget to take Valtrex - If you forget to take Valtrex, valtrex 250 mg price, take it as soon as you remember. However, the small size of the registry is insufficient to evaluate the risk for less common defects or to permit reliable or definitive conclusions valtrex the safety of acyclovir in pregnant women and their developing fetuses. Valtrex can cause side effects that affect your ability to drive. The efficacy and safety of valacyclovir have not been established in pediatric patients:
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