Buy Valtrex
valtrex
$45.04
- Active ingredient: Valacyclovir
- Category: Antivirals
- Delivery time: Airmail (14-21 days) | EMS trackable (5-9 days)
- Prescription: Included
- Availability: In Stock
Valtrex (Valacyclovir) 500mg and 1000mg tablets are available to purchase from our Singapore pharmacy with reliable delivery. This antiviral medication works by stopping the herpes virus from multiplying, helping to control outbreaks of cold sores, genital herpes, and shingles. Valacyclovir converts to acyclovir in the body, which interferes with viral DNA replication. It serves as an effective solution for adults managing recurrent herpes infections who seek to reduce outbreak frequency and severity, offering convenient once-daily dosing for suppression therapy.
Table of contents
- Valtrex (Valacyclovir) Buyer and Patient Handbook in Singapore
- What is Valtrex?
- Who Should Use Valtrex?
- How Does It Work?
- Why Choose Valtrex?
- Dosage, Administration, Lifestyle and Dietary Recommendations
- Recommended Dosage
- How to Take
- Missed Dose
- Overdose
- Special Populations
- Lifestyle & Diet
- Precautions and Warnings
- Drug Interactions
- Potential Side Effects
- Common Side Effects
- Less Common Side Effects
- Serious Side Effects
- Who Should Avoid This Medication?
- Storage Instructions
- Valtrex Alternatives
- Frequently Asked Questions
- How quickly does Valtrex start working?
- Can I take Valtrex if I have a mild kidney problem?
- Is it safe to use Valtrex while I’m pregnant?
- Will Valtrex prevent future outbreaks?
- Can I drink coffee while on Valtrex?
- What should I do if I forget a dose during a suppressive regimen?
- Is it okay to use Valtrex together with birth control pills?
- How long should I wait before having sex after a genital herpes outbreak treated with Valtrex?
- Does Valtrex affect blood sugar levels?
- Can I take Valtrex on an empty stomach?
- Glossary
- Disclaimer
- Valtrex Drug Class
- Valtrex Connected Conditions
- How to purchase Valtrex on our Website
- Reviews
- Write your review
Valtrex (Valacyclovir) Buyer and Patient Handbook in Singapore
What is Valtrex?
Valtrex is an antiviral pill whose active ingredient is valacyclovir. It belongs to the nucleoside analogue class and is used to treat infections caused by herpes viruses, such as Genital Herpes, Cold Sores, and Shingles. The medication is approved by the Health Sciences Authority (HSA) of Singapore and is available in 500 mg and 100 mg tablets.
Who Should Use Valtrex?
- Adults diagnosed with genital herpes (first-time or recurrent outbreaks).
- Adolescents (12 years and older) with shingles or cold-sore infections.
- Individuals with a compromised immune system who need to suppress herpes-virus activity.
How Does It Work?
Valtrex is converted inside the body to Acyclovir, which mimics the building blocks of viral DNA. When the virus tries to replicate, the drug is incorporated into its DNA chain, halting further replication. Think of it as a faulty brick that stops a wall from being built. This reduces the severity and duration of outbreaks. For most patients, the medication carries a low risk of abuse, but it should not be taken in larger amounts than prescribed.
Why Choose Valtrex?
- Convenient dosing: Fewer tablets per day compared to acyclovir.
- Proven efficacy: Clinical trials show faster healing of lesions and reduced viral shedding.
- Availability of generics: Generic valacyclovir offers the same bio-equivalence at a lower cost.
Off-label uses (e.g., prevention of cytomegalovirus infection) should only be considered after discussion with a qualified healthcare professional.
Dosage, Administration, Lifestyle and Dietary Recommendations
Recommended Dosage
| Condition | Typical Dose | Frequency |
|---|---|---|
| Genital herpes - initial episode | 1 g (100 mg) | Three times daily for 10 days |
| Genital herpes - recurrent episodes | 500 mg | Twice daily for 3 days |
| Shingles (herpes zoster) | 1 g (100 mg) | Three times daily for 7 days |
| Cold sores (herpes labialis) | 2 g (200 mg) = two 100 mg tablets | Single dose, then 1 g at 12 h and 24 h later |
How to Take
- Swallow the tablet whole with a full glass of water.
- Can be taken with or without food; food may reduce stomach upset.
Missed Dose
- If you remember within 12 hours, take the missed tablet.
- If more than 12 hours have passed, skip it and resume the regular schedule. Do not double-dose.
Overdose
- Seek immediate medical attention or call the Singapore Poison Centre (Ctrl-P) at +65 6391 100.
- Symptoms may include Nausea, Vomiting, dizziness, or kidney problems.
Special Populations
- Elderly (≥65 years): Dose may need adjustment if kidney function is reduced.
- Renal impairment: Reduce dose based on creatinine clearance; consult a pharmacist.
- Pregnancy & breastfeeding: Generally considered safe, but discuss with a healthcare provider.
Lifestyle & Diet
- Hydration: Keep well-hydrated to support kidney clearance.
- Grapefruit: No significant interaction, but maintain a balanced diet.
- Alcohol: Moderate intake is acceptable; heavy drinking may increase kidney strain.
Precautions and Warnings
- Do not use if you have a known allergy to valacyclovir or acyclovir.
- Monitor kidney function if you have Diabetes, Hypertension, or are taking other nephrotoxic drugs.
- Report any severe skin rash, fever, or unexplained bruising promptly.
Drug Interactions
| Drug Class | Risk | Action |
|---|---|---|
| Probenecid | ↑ valacyclovir levels | Reduce valacyclovir dose |
| Cimetidine | ↑ valacyclovir levels | Monitor renal function |
| NSAIDs (high dose) | ↑ nephrotoxicity risk | Ensure adequate hydration; monitor kidneys |
Potential Side Effects
Common Side Effects
- Headache
- Nausea / mild stomach upset
- Fatigue
Less Common Side Effects
- Dizziness
- Diarrhea
- Skin rash
Serious Side Effects
- Severe allergic reaction (hives, swelling, breathing difficulty) → seek emergency care.
- Signs of kidney problems (decreased urine, swelling of legs) → consult a doctor immediately.
Who Should Avoid This Medication?
- Individuals with known hypersensitivity to valacyclovir or acyclovir.
- Patients with severe renal impairment (creatinine clearance <10 mL/min) without dose adjustment.
- Those concurrently on medications that markedly increase valacyclovir concentrations without appropriate dose modification.
Storage Instructions
- Keep tablets in the original blister pack, tightly closed.
- Store at 20 °C-25 °C (68 °F-77 °F); protect from moisture and direct sunlight.
- Keep out of reach of children and pets.
Valtrex Alternatives
| Name | Class | Key Difference |
|---|---|---|
| Acyclovir (Zovirax) | Antiviral | Requires more frequent dosing |
| Famciclovir (Famvir) | Antiviral | Similar efficacy, different metabolic pathway |
| Generic Valacyclovir | Antiviral | Same active ingredient, lower price |
Frequently Asked Questions
How quickly does Valtrex start working?
Most people notice reduced Pain and lesion size within 2-3 days of starting treatment.
Can I take Valtrex if I have a mild kidney problem?
A dose adjustment is usually needed; have your renal function checked by a healthcare professional first.
Is it safe to use Valtrex while I’m pregnant?
Valacyclovir is classified as Category B (no evidence of risk in animal studies); discuss your situation with a clinician.
Will Valtrex prevent future outbreaks?
When taken as suppressive therapy (500 mg daily), it can lower the frequency and severity of recurrent genital herpes outbreaks.
Can I drink coffee while on Valtrex?
Yes, caffeine does not interfere with valacyclovir’s effectiveness.
What should I do if I forget a dose during a suppressive regimen?
Take the missed dose as soon as you remember, unless it’s near the time of your next scheduled dose; then skip it and continue as normal.
Is it okay to use Valtrex together with birth control pills?
No known interaction; however, always inform your provider of all medications you are taking.
How long should I wait before having sex after a genital herpes outbreak treated with Valtrex?
Continue medication as prescribed and avoid sexual contact until lesions have fully healed and you have no new symptoms.
Does Valtrex affect blood sugar levels?
It does not directly alter glucose; however, renal impairment can affect medication clearance, which may indirectly influence blood sugar control.
Can I take Valtrex on an empty stomach?
Yes, food is not required, but taking it with food can reduce occasional stomach upset.
Glossary
- Antiviral: A drug that stops viruses from multiplying.
- Nucleoside analogue: A compound that mimics the building blocks of DNA, interfering with viral replication.
- Renal clearance: The kidney’s ability to remove a drug from the bloodstream.
Disclaimer
The information provided here is for educational purposes only and does not replace professional medical advice. All medication use, including off-label considerations, should be discussed with a qualified healthcare practitioner. This handbook reflects general knowledge about Valtrex (valacyclovir) and is not a substitute for individualized care. Our online pharmacy platform offers convenient access to approved medicines, but the responsibility for safe use rests with the reader.
Valtrex Drug Class
Valtrex Connected Conditions
How to purchase Valtrex on our Website
To purchase Valtrex | Valacyclovir on our website, just select the required dosage and quantity of pills above. The price of your choice will appear automatically. Next, add the chosen amount to your cart by clicking the Add to Cart button. You can either continue shopping for more pills or head to the checkout. At the Checkout, finalize your purchase through our secure payment gateway.
Valtrex / Valacyclovir pills are made using high-quality generic ingredients and are subject to strict quality control in line with WHO and Health Sciences Authority (HSA) standards. However, please note that Valtrex pills are dispatched from outside Singapore due to prescriptions issued overseas.
Disclaimer: The content on this website is provided solely for informational purposes and is not intended to replace professional medical advice, diagnosis, or treatment. Always consult a qualified healthcare provider with any questions or concerns regarding your health, and never disregard or delay seeking professional advice based on the information presented here. Use of this website does not create a doctor-patient relationship, and in the event of a medical emergency, please contact your local emergency services immediately. Our website assumes no responsibility or liability for any errors or omissions in the content provided.
Reviews
First time trying 1000mg for a bad flare-up. It nuked the outbreak really fast, like within 48 hours, which is magic. But man, the nausea is intense. Seriously heavy, dizzy feeling all morning. Someone told me this trick: split the 1000mg pill and take 500mg every 6 hours instead of all at once. Much easier on the stomach. Gotta drink so much water with it though, my mouth is totally desert dry.
This drug is the reason I can function during monsoon season when I usually get outbreaks. Been using 500mg daily suppression therapy for nearly two years. Works like a charm for prevention. The one persistent problem is the low-grade headache and that weird foggy brain feeling, especially right after I take the morning pill. Pro-tip: Take it immediately after eating something carby, not on an empty stomach. Reduces the head fog big time.
I call this my insurance policy. It works. Period. I carry the 1000mg blister pack everywhere. However, I noticed if I take it too close to my usual strong espresso in the morning, I get incredibly jittery and anxious. Hyper-caffeinated feeling mixed with a weird internal tremor. Now I religiously wait two hours between taking the pill and drinking any coffee. Total game-changer for managing the anxiety side-effect.
Started on this last month. It does what the doctor promised - the frequency has dropped dramatically. But I am absolutely exhausted. Constant fatigue, like carrying a 10kg backpack all day. My liver function tests were fine, so my doc said it's probably just fighting the virus. I find that taking a B12 supplement right before bed helps counteract some of the daytime sluggishness. It's a huge compromise for clarity, though.
Used this for years, mostly for cold sores. It shuts them down fast, no argument there. But I just got hit with a kidney stone a few months ago. Urologist said Valacyclovir residue can crystallize if you don't maintain high hydration. Now I set phone alarms to drink water every hour I'm awake. It's a pain, literally, but if you're on daily suppressive therapy, you need to be constantly flushing your system. Really important.
Tried it for shingles (1000mg, three times a day). It stopped the spread and dulled the lightning pain, which was a huge relief. However, the mental side effects were intense. I experienced short-term memory blanks and mild confusion sometimes. Not severe, but enough to make me worry about work. Definitely works better on the rash than the nerve pain. Had to add gabapentin for the pain, but this did the heavy lifting for the virus.
I'm new to this. Only on my second flare-up. Took the 2000mg loading dose like they said. It flattened the irritation immediately. Fantastic relief. But I got this insane itchiness all over my scalp and neck a few hours after the second dose. Not a rash, just aggressive, deep itching. My friend suggested taking an antihistamine (like Zyrtec) about 30 minutes before taking the Valtrex pill. It helped tone down that generalized itchiness by about half.
I take 500mg daily. Protection is rock solid. Zero outbreaks since I started, massive confidence boost. But my hair has definitely started thinning, especially near the temples. It’s slow, but it's happening. My dermatologist suggested pausing every few months, but then I risk a breakthrough infection. It’s a terrible trade-off: clear skin or full head of hair. Currently, I choose the clear skin, but I hate buying special shampoo now.