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Drug Interactions and Side Effects of Valtrex

Valtrex has 34 Side Effects total
13 are Life Threatening
2 Occur Most Frequently
Click for a searchable interactive map of all Side Effects associated with Valtrex

Uses of Valtrex
 
Valtrex is also known by the generic name Valacyclovir


USES:
Valacyclovir is used in children to treat cold sores (herpes labialis) and chickenpox (varicella zoster). It is used in adults to treat cold sores and shingles (herpes zoster). Valacyclovir does not cure these diseases, but it may decrease pain and help sores heal faster. Valacyclovir belongs to a class of medications known as antivirals.

Valacyclovir is also used to treat people with genital herpes who are currently having an outbreak. It can also be used to prevent an outbreak (suppressive therapy). This medication helps control symptoms, but does not cure the disease or prevent infection of sexual partners.

If you are taking valacyclovir for treatment of genital herpes, it is important to follow safe sex practices to lower the chance of giving herpes to your partner, even if there are no symptoms present. Always use a condom made of latex or polyurethane. When you have symptoms or are experiencing an outbreak, do not have sexual contact with your partner.


Valtrex has 13 Life Threatening (Critical) Side Effects
 
Critical Seriousness - Any Disorder of the Brain - Encephalopathy is a Life Threatening Side Effect of Valtrex
Critical Seriousness - Coma is a Life Threatening Side Effect of Valtrex
Critical Seriousness - Decreased Blood Platelets - Thrombocytopenic Disorder is a Life Threatening Side Effect of Valtrex
Critical Seriousness - Decreased Neutrophils a Type of White Blood Cell - Neutropenic Disorder is a Life Threatening Side Effect of Valtrex
Critical Seriousness - Erythema Multiforme is a Life Threatening Side Effect of Valtrex
Critical Seriousness - Giant Hives - Angioedema is a Life Threatening Side Effect of Valtrex
Critical Seriousness - High Blood Pressure - Hypertension is a Life Threatening Side Effect of Valtrex
Critical Seriousness - Hives - Urticaria is a Life Threatening Side Effect of Valtrex
Critical Seriousness - Kidney Failure - Renal Failure is a Life Threatening Side Effect of Valtrex
Critical Seriousness - Life Threatening Allergic Reaction - Anaphylaxis is a Life Threatening Side Effect of Valtrex
Critical Seriousness - Painful Periods - Dysmenorrhea is a Life Threatening Side Effect of Valtrex
Critical Seriousness - Seizures - Seizure Disorder is a Life Threatening Side Effect of Valtrex
Critical Seriousness - Trouble Breathing - Dyspnea is a Life Threatening Side Effect of Valtrex
Click for a searchable interactive map of all Life Threatening Side Effects associated with Valtrex.

Valtrex has 2 Most Frequently Occurring Side Effects
 
Feel Like Throwing Up - Nausea is a Frequently Occurring Side Effect of Valtrex
Head Pain - Headache Disorder is a Frequently Occurring Side Effect of Valtrex
Click for a searchable interactive map of all Side Effects associated with Valtrex

Valtrex Drug-Drug Interactions
 
Valtrex has interactions of severe seriousness with 0 drug(s):

Valtrex has interactions of serious seriousness with 0 drug(s).

Valtrex has interactions of moderate seriousness with 0 drug(s).

Valtrex has interactions of unknown seriousness with 0 drug(s).

Valtrex has 4 Condition Contraindications
 
If you have any of these Conditions then you should carefully evaluate the risks of taking Valtrex.

Valtrex Oral Contraindications
(grouped by decreasing seriouosness level)

Absolute Contraindications 

Hemolytic Uremic Syndrome - Syndrome characterized by Anemia and Renal Failure is a contraindication of Valtrex.

Thrombotic Thrombocytopenic Purpura is a contraindication of Valtrex.

Relative Contraindications 

Dehydration - Extreme Loss of Body Water is a contraindication of Valtrex.

Renal Disease with Moderate to Severe Function Impairment - Moderate to Severe Kidney Impairment is a contraindication of Valtrex.

Valtrex has 4 related brands and strengths:
 
Valacyclovir 1 G Tab

Valacyclovir 500 Mg Tab

Valtrex 1 G Tab

Valtrex 500 Mg Tab

Valtrex - Symptoms of overdose may include
change in the amount of urine, sluggishness, loss of consciousness, seizures.

Contact poison control
If overdose is suspected, contact your local poison control center or emergency room immediately. US residents can call the US national poison hotline at 1-800-222-1222. Canadian residents should call their local poison control center directly.

IMPORTANT NOTICE: The drug information contained in this application is intended to supplement, not substitute for, the expertise and judgment of healthcare professionals. The information is not exhaustive and is not intended to cover all possible uses, directions, precautions, drug interactions or adverse effects, nor should it be construed to indicate that use of a particular drug is safe, appropriate or effective for you or anyone else. A healthcare professional should be consulted before taking any drug, changing any diet or commencing or discontinuing any course of treatment. The display and use of this drug information is subject to express terms of use. By continuing to view the drug information on this site, you agree to abide by such terms of use.
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