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I have tried taking Valtrex during an outbreak with the hopes of taking it long-term for suppressive therapy. But both times, I've gotten terrible side effects like nausea, headache, fatigue, dizziness/trouble concentrating. The side effects made me unable to work which unfortunately is worse than herpes symptoms themselves. My doctor said these side effects are possible but unusual and that maybe it's some inactive ingredient in the medicine and that I could try taking acyclovir instead to see if that helps without the side effects.
Wondering about other people's experience with side effects (maybe they subside eventually so worth it to suffer through them initially) with Valtrex and/or acyclovir and wondering if there are other options for suppressive therapy.
most of the time the side effects go away in 1-2 weeks when taking the medication suppressively. give the acyclovir a try - you get less active acyclovir with plain acyclovir so you might have less side effects. You also can try famvir too.
My 29 year old daughter had a severe and frightening reaction to Valtrex. She had cold sores and began taking 500 mg Valtrex, per script. She took one in the am and one in the pm for five days, and as adverse effects appeared, she cut back to one in the pm for four more days. She progressively became psychotic, experiencing altered states of consciousness, panic attacks, uncontrollable crying, tremors, and extreme fear. Blurred vision and the inability to focus were also taking place. She had colitis-like stomach and bowel problems. No other meds of any kind were involved. Blood tests from the ER proves that. She did not have any renal problems and was very healthy before any of the symptoms manifested. She went to a couple local doctors in her town but they were not aware of the early adverse reports on Valtrex - what was taking place or the seriousness of it. She was given antidepressants to calm her by one of the doctors she went to. Because she was not able to express what was happening and feared they would think she was "crazy" her reaction was not managed properly.
I researched and found info on Google Scholar. It affects the central nervous system in rare instances. She had no "senses input" and felt like she was dead. She came to me feeling suicidal, and wanted to be taken to a mental hospital. I took her to an Internal Specialist who knew what was taking place. He realized the type of antidepressant prescribed that past week was wrong for calming. It was exciting the situation even more and he switched her to a different one. Activated charcoal alleviated the bowel problems. Her greatest fear was she was not going to recover and her entire life was never going to be the same. Previous to this episode, my daughter was professional, responsible, and very stable, mentally. She never experienced anything even close to this nightmare prior to taking Valtrex, ever.
It took over a month and a half for her symptoms to subside. She is finally back to baseline. It may help to know that her symptoms are gone and she is now her normal self. I am not sure but it appears from the various forums, this happens to more people than doctors are aware of. I am not knocking the many benefits reported by people it has helped. I do know this was a horrible and scary incident that could have taken a terrible direction.
On a final note, the original doctor way over-prescribed her. On the manufacturer's homepage it clearly states; "for cold sores, one pill in the am and one in the pm, FOR ONE DAY ONLY!" I hope this information may help should this ever happen to anyone else.
Read more at wiki.answers.com, Does Valtrex cause panic attacks?
Thank you so much for posting this. I've been on Valtrex and the panic attacks are out of control. Mostly it helps to know that the panic attacks went away once she was off of it again, because the thought of "Is this my life now!?!?!" is enough in and of itself to cause a panic attack!
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