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Doctor insights on: Valacyclovir Hydrochloride Dosage

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I took 2 gm valacyclovir twice yesterday as I had an outbreak occurring. Can I repeat that dosage today? I still feel like the outbreak isn't over.

I took 2 gm valacyclovir twice yesterday as I had an outbreak occurring.  Can I repeat that dosage today?  I still feel like the outbreak isn't over.

No more needed: There is no need for more. With the large doses of valayclovir you took, the drug is still in your system. It always takes at least a few days for complete healing -- but drug needs to be in your system only 24 hours. Your outbreak should continue to improve. Possible exception: if your initial infection was only a few weeks ago and this is your 1st or 2nd recurrence, maybe need 1-2 days more. ...Read more

Dr. Jeffrey Wint
276 doctors shared insights

Valacyclovir (Definition)

Valacyclovir is a herpes viruses agent which is a kind of anti-viral ...Read more


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Ob/gyn not helpful with managing herpes outbrks. Where should I go? On Valtrex (valacyclovir) daily 1gr. Can i up dosage? What other kind of dr. Should i consult?

Ob/gyn not helpful with managing herpes outbrks. Where should I go? On Valtrex (valacyclovir) daily 1gr. Can i up dosage? What other kind of dr. Should i consult?

Should be enough: 1 gram of Valtrex (valacyclovir) daily should be sufficient to suppress herpes. If it's not, then maybe the diagnosis is incorrect, or you have resistant herpes (quite uncommon). The next time you get an outbreak, it would be useful to get the lesion cultured or sent for pcr testing to confirm the diagnosis. ...Read more

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Should I take lysine for my chronic cold sores? If so, as treatment or to prevent? Dosage? Currently take Valtrex (valacyclovir) and use Abreva.

Should I take lysine for my chronic cold sores? If so, as treatment or to prevent? Dosage? Currently take Valtrex (valacyclovir) and use Abreva.

Pay attention: Abreva does very little, not worth the money. l-Lysine is an old scam: it did nothing 40 years ago and it does nothing now. Simple understanding of biochemistry of amino acids is enough to dispel this silly scam. See a dermatologist. Are you sure it is herpes? Valacyclovir can be helpful if dosed properly and is safe. Usual dose is 2gram at very first prodromal symptoms of each attack. Sometimes d ...Read more

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What happens of i miss a dose of valacyclovir?

What happens of i miss a dose of valacyclovir?

Delayed results: A single missed dose should not make a great deal of difference.It could lead to delay in expected improvement in your condition. ...Read more

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What to do if I have been taking Valtrex (valacyclovir) for a year straight dose anyone else have the same problems?

Not sure what the: problem is that you are referring to. Valtrex (valacyclovir) can be taken continuously. If this doesn't answer your question than please clarify and re-ask. ...Read more

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Just started to take first pill of Valtrex (valacyclovir) 500 mg would two beers have any affect on the dose I took six hours ago?

Just started to take  first pill of Valtrex (valacyclovir) 500 mg would  two beers have any affect on the dose I took six hours ago?

"Straight, no chaser: Like any number of prescription medications that are given, they all work best when taken as directed with water(pill) so they can be appropriately absorbed. "Chasing" any medication down with 2 beers limits its' effectiveness. ...Read more

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Is there a prophylactic dose of Valacyclovir after oral sex with someone who just got over a cold sore?

Is there a prophylactic dose of   Valacyclovir after oral sex with someone who just got over a cold sore?

There is: NO NEED for Prophylactic anti-viral medication in the situation you describe!!!! If there are no open sores transmission would be very unlikely and remember Herpes virus type which affects the oral memberanes is NOT THE SAME as the Herpes Simplex which infects the sexual organs!!!! Hope this helps! Dr Z ...Read more

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Kidney nephritis- can high dose Valacyclovir/Valtrex (4g daily)cause it? Negative ANA but mild kidney nephritis consistent with ckd.

Kidney nephritis- can high dose Valacyclovir/Valtrex (4g daily)cause it? 

Negative ANA but mild kidney nephritis consistent with ckd.

?: Unlikely, this is complex, depends on several factors, underlying conditions, and other medications taken concomitantly, your treating doctors can answer you better, but why are you on this high dose of valacyclovir? ...Read more

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Prescribed Prednisone & Valtrex (valacyclovir) for Shingles.Shgles, so far, seems ro be mild, but Prednisone (10 mg,1st dose this morning) has made me tired.Normal?

Prescribed Prednisone & Valtrex (valacyclovir) for Shingles.Shgles, so far, seems ro be mild, but Prednisone (10 mg,1st dose this morning)  has made me tired.Normal?

PREDNISONE TIRED?: SOMEHOW, I BELIEVE IT MAY BE THE SHINGLES THAT IS MAKING YOU TIRED! CHECK WITH THE DOCTOR WHO IS TREATING YOU. BEST LUCK . . . ...Read more

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Diagnosed with shingles & prescribed Valtrex (valacyclovir) and prednisone. I am a diabetic and concerned about taking prednisone. Is 20 mg 2x/day an ok dose for me?

Diagnosed with shingles & prescribed Valtrex (valacyclovir) and prednisone.  I am a diabetic and concerned about taking prednisone. Is 20 mg 2x/day an ok dose for me?

Antiviral essential: The Valtrex (valacyclovir) is the essential medication for shingles, and should be started immediately. Prednisone can definitely adversely affect your blood sugar if diabetic, so this should only be used if absolutely necessary in consultation with the doctor managing your diabetes. ...Read more

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1st dose Valtrex (valacyclovir) for cold sores. Dizzy with funny vision. I do have MS ... Could it be my MS or the valtrex (valacyclovir). Should i stick to zovirax instead?

1st dose Valtrex (valacyclovir) for cold sores. Dizzy with funny vision. I do have MS ... Could it be my MS or the valtrex (valacyclovir). Should i stick to zovirax instead?

VIRAL INFECTIONS: Viruses can promote worsening of ms, even a full blown relapse. Sounds like you recently had labor and delivery, and pregnancy is protective, but breastfeeding is not so protective, and you may indeed have an emerging relapse or progressive symptoms. The long and short here is the need to see a neurologist and restart a potent disease modifying drug. Do not worry about which viral drug is used. ...Read more

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Please describe the medication: valtrex (valacyclovir)?

Antiviral: Treats herpes virus infections, including shingles (herpes zoster), cold sores (herpes labialis), and genital herpes (herpes simplex) in adults. Also treats cold sores and chicken pox in children. This medicine will not cure herpes, but may prevent a breakout of herpes sores or blisters. ...Read more

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What would happenif you take an expired valtrex (valacyclovir)?

Probably nothing: All medicines degrade with time. Just cause it expired doesn't mean its poisonous. Just won't work as well as unexpired medicine. Actually, it really depends on how old the medicine is. If its relatively soon after the expiration date, i'm sure its still good. All bets are off its over a year past. ...Read more

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Dr. Al Hegab
282 doctors shared insights

Valtrex (Definition)

Valtrex is a herpes viruses agent which is a kind of anti-viral ...Read more