Valtrex (Valacyclovir) Side Effects Target the Brain

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valacyclovir side effects
The American Journal of Therapeutics notes that, “Serious neuropsychiatric side effects have been demonstrated with the use of valacyclovir (Valtrex)….” (1)

Tremor, visual and auditory hallucinations, confusion and coma are neuropsychiatric side effects, and all have been associated with the use of Valacyclovir (Valtrex). (2) As Dr. Anders Hellden and colleagues wrote in a study, “Neuropsychiatric side effects related to aciclovir treatment were first reported in the early 1980s. Symptoms such as tremor, visual and auditory hallucinations, confusion and coma have been described. Recently, patients treated using valaciclovir  …  have been reported to develop neuropsychiatric signs and symptoms.

drug side effects

“Valacyclovir is an antiviral drug. It slows the growth and spread of the herpes virus so that the body can fight off the infection.” (3) It is also the most popular drug prescribed against Genital Herpes infection due to its “ease of administration….” (1)

However, problems with brain function are just the tip of the iceberg. reports a laundry list of Valtrex side effects, including “Gastrointestinal side effects (that) have included nausea (up to 15% of users), abdominal pain (up to 11% of users), and vomiting (up to 6% of users). (4)

Other side effects include:

  • Discouragement
  • feeling sad or empty
  • irritability
  • lack of appetite
  • loss of interest or pleasure
  • tiredness
  • trouble concentrating
  • trouble sleeping

These side effects are listed as “common.”

It therefore makes one wonder why an individual would take a medication to get rid of one symptom, only to trade that symptom for others.

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