Valtrex (valacyclovir) is an antiviral drug. It slows the growth and spread of the herpes virus to help the body fight the infection. Valtrex is used to treat infections caused by herpes viruses, including genital herpes, cold sores, and shingles (herpes zoster) in adults.
What does Valtrex do to your body?
Valtrex (valacyclovir) is an antiviral drug. It slows the growth and spread of the herpes virus to help the body fight the infection. Valtrex is used to treat infections caused by herpes viruses, including genital herpes, cold sores, and shingles (herpes zoster) in adults.
How long does it take to Valtrex to work?
It can take up to seven to 10 days for Valtrex to start working for some people, while others may feel relief from their symptoms after a day or two. The amount of time it takes your symptoms to go away will depend on your age, the severity of your symptoms, and your metabolism.
What are the side effects of taking Valtrex daily?
- confusion, agitation, or you feel shaky or unsteady;
- hallucinations (seeing or hearing things that are not real);
- problems with speech;
- a seizure; or.
- kidney problems–little or no urination, swelling in your feet or ankles, feeling tired or short of breath.
Are side effects common with Valtrex?
The most common adverse reactions reported in at least 1 indication by greater than 10% of adult subjects treated with VALTREX and observed more frequently with VALTREX compared with placebo are headache, nausea, and abdominal pain.
What can you not take with Valtrex?
Some products that may interact with this drug include: other drugs that may cause kidney problems (including nonsteroidal anti-inflammatory drugs-NSAIDs such as ibuprofen, naproxen). Valacyclovir is very similar to acyclovir. Do not use medications containing acyclovir while using valacyclovir.
Does Valtrex cause weight gain?
Does Valtrex (valacyclovir) make you gain weight? Weight changes are not commonly reported with the use of Valtrex (valacyclovir).
How long does it take Valtrex to clear up an outbreak?
For most initial herpes outbreaks and cases of recurring herpes, valacyclovir takes effect very quickly and provides some level of relief in as little as two to three days. Generally, the sooner you take valacyclovir after noticing symptoms, the faster it will be to provide relief.Do antivirals weaken immune system?
The inhibitory effects of antivirals on immune cells may contribute to the immune deterioration observed in patients following prolonged use of the drugs.
Does Valtrex weaken immune system?However, because they suppress the immune system, these medicines also suppress the ability of the body to fight infection. Valaciclovir is therefore given to people who have received an organ transplant, in order to help the body kill off any CMV virus.
Article first time published onCan you drink alcohol while on Valtrex?
Although no drug interactions exist between alcohol and Valtrex, it is still best to avoid alcohol while taking the medication. Alcohol can impair your immune system, making your infection harder to treat. Further, both drinking and Valtrex can cause nausea, potentially worsening that side effect.
Is Valtrex blue or white?
Pill with imprint VALTREX 500 mg is Blue, Elliptical / Oval and has been identified as Valtrex 500 mg. It is supplied by GlaxoSmithKline.
How much Valtrex should I take during an outbreak?
The standard dosage of valacyclovir for managing a primary oral herpes outbreak is 2,000 mg every 12 hours for one day (two doses in total). During a particularly severe or persistent outbreak, your doctor may recommend adjusting your valacyclovir dose or extending the dosage to provide greater relief.
Is it safe to take valacyclovir everyday?
To help clear up your infection, keep taking valacyclovir for the full time of treatment, even if your symptoms begin to clear up after a few days. Do not miss any doses. However, do not use this medicine more often or for a longer time than your doctor ordered.
Are you still contagious while taking Valtrex?
It is important to keep in mind that Valtrex is not a cure for genital herpes, and there may still be contagious lesions or shedding that occur while taking the medication. While daily treatment can reduce the risk of transmission, it isn’t 100% guaranteed that you won’t become infected.
Is hair loss a side effect of Valtrex?
Alopecia may be considered a possible complication following oral acyclovir.
Can I take vitamins with valacyclovir?
No interactions were found between valacyclovir and Vitamin B12. This does not necessarily mean no interactions exist. Always consult your healthcare provider.
Can I take vitamin D with valacyclovir?
No interactions were found between valacyclovir and Vitamin D3. This does not necessarily mean no interactions exist. Always consult your healthcare provider.
Is Valtrex bad for your liver?
In Closing. Valacyclovir is not considered a liver toxic drug. With a Category D rating from LiverTox, it’s well behind common drugs such as aspirin in terms of liver injury risk. When taken at a normal dose, valacyclovir is highly unlikely to cause liver damage in individuals with normal liver health.
Can I take Tylenol while taking valacyclovir?
No interactions were found between Tylenol and valacyclovir. This does not necessarily mean no interactions exist. Always consult your healthcare provider.
Does valacyclovir make tired?
Valacyclovir oral tablet doesn’t cause drowsiness, but it can cause other side effects.
Do antivirals help with Covid?
Britain approved the world’s first antiviral pill for COVID-19, developed by Merck Sharp and Dohme (MSD) and Ridgeback Biotherapeutics. This is the first antiviral drug that people can take at home to treat COVID-19.
Is it too late to take Valtrex?
Valacyclovir works best if it is used within 48 hours after the first symptoms of shingles or genital herpes (e.g., pain, burning, or blisters) begin to appear. For recurrent outbreaks of genital herpes, valacyclovir works best if it is used within 24 hours after the symptoms begin to appear.
How long does 500 mg Valtrex stay in your system?
Because valacyclovir is a prodrug, it’s only active in your body for a short period of time after it’s taken. On its own, its half-life is approximately 30 minutes. However, once valacyclovir has converted into acyclovir, it has a half-life of 2.5 to 3.3 hours in people with normal renal function.
Does valacyclovir raise blood pressure?
increased heart rate, and. high blood pressure (hypertension).
Can you take antibiotics while taking Valtrex?
No interactions were found between amoxicillin and Valtrex. This does not necessarily mean no interactions exist. Always consult your healthcare provider.
How long can you stay on valacyclovir?
Valacyclovir comes as a tablet to take by mouth. It is usually taken every 8 hours (three times a day) for 7 days to treat shingles. To treat genital herpes it is usually taken twice a day for 5 days.
Why would someone take Valtrex daily?
A new study shows that daily therapy with the antiviral drug Valtrex significantly lowers the risk of transmitting genital herpes among heterosexual couples in which one partner is infected with the herpes simplex virus type 2 (HSV-2).
