Hovid Virest 400mg Tablet

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Prescription Required

Orders placed now will be queued. A doctor will contact you on the next working day for approval.

Overview

Hovid Virest 400mg Tablet contains Aciclovir 400mg and is available as a tablet. It is classified as a prescription medicine and may only be obtained with a valid prescription from a registered medical practitioner.

Only product, safety and handling information is published here. Anything beyond that is explained to you directly by your doctor or pharmacist as part of your consultation.

DoctorOnCall is a licensed online pharmacy. Orders for Hovid Virest 400mg Tablet are processed only after a doctor has assessed your suitability and issued a prescription, and every order is checked by a registered pharmacist before it is sent out.

Directions for Use

Take Hovid Virest 400mg Tablet with a full glass of water, with or without food, at evenly spaced intervals as directed by your doctor, and drink plenty of fluids throughout the day to support kidney clearance of the medicine. Complete the full course even if your symptoms improve early.

Dosage

The dose and frequency of Hovid Virest 400mg Tablet depend on the specific infection being treated (cold sores, genital herpes, or shingles/chickenpox) and your kidney function, and will be determined by your doctor; treatment is usually started as early as possible after symptoms appear for the best effect.

Shelf Life

Use this product before the expiry date stated on the packaging. Do not use the medicine if the expiry date has passed.

Storage Instructions

Store below 30°C in a dry place, away from direct sunlight and out of reach of children.

Side Effects

  • Nausea or vomiting
  • Headache
  • Dizziness
  • Diarrhoea
  • Joint or muscle pain
  • Fatigue or tiredness
  • Mild rash or skin reaction

Contraindications

  • Known hypersensitivity to aciclovir, valaciclovir, or any ingredient in this product

Drug / Food Interactions

  • Probenecid can reduce the clearance of aciclovir, increasing its blood levels and the risk of side effects
  • Other nephrotoxic (kidney-affecting) medicines may increase the risk of kidney problems when combined with aciclovir
  • Adequate fluid intake is recommended while taking this medicine to help prevent crystal formation in the kidneys

Quick Tips

  • Start treatment as soon as possible after symptoms appear for the best effect
  • Drink plenty of water throughout the day while taking this medicine
  • Complete the full course as prescribed, even if your symptoms improve quickly
  • Avoid touching or scratching affected skin lesions to reduce the risk of spreading the infection

Frequently Asked Questions

Is Hovid Virest 400mg Tablet a prescription medicine?

Yes. Hovid Virest 400mg Tablet is a prescription-only medicine (POM). It can only be supplied against a valid prescription written by a registered doctor, and it should be used only by the person named on the prescription label.

What does Hovid Virest 400mg Tablet contain?

Hovid Virest 400mg Tablet is supplied as a tablet and contains Aciclovir 400mg. The full composition is listed in the Composition section on this page and on the product packaging.

Why is there no information here about what Hovid Virest 400mg Tablet is for?

Malaysian rules for prescription medicines limit public product pages to product, safety and handling information. Your doctor decides whether this medicine is appropriate for you and will explain it during your consultation, and your pharmacist can answer further questions when the medicine is dispensed.

How should I take Hovid Virest 400mg Tablet?

Follow your doctor’s instructions and the directions on the dispensing label without changing them. If anything on the label is unclear, check with your pharmacist before taking the first dose, and read the Directions for Use section on this page.

What should I do if I miss a dose?

Take it as soon as you remember, unless your next dose is nearly due. In that case skip the missed dose and carry on with your usual schedule. Never take two doses together to make up for a missed one. If you miss doses often, tell your doctor or pharmacist.

How should I store Hovid Virest 400mg Tablet?

Store below 30°C in a dry place, away from direct sunlight and out of reach of children. Keep it in the original pack until use, and do not use it after the expiry date printed on the packaging.

What should I do if I notice side effects?

Tell your doctor or pharmacist about any reaction that concerns you, and seek medical care immediately for signs of a severe reaction such as difficulty breathing, swelling of the face, lips or throat, or a widespread rash. Reported reactions are listed in the Side Effects section on this page.

Can I stop taking Hovid Virest 400mg Tablet on my own?

No. Speak to your doctor before stopping, pausing or changing the dose, even if you feel well or think you no longer need the medicine.

How do I get a prescription for Hovid Virest 400mg Tablet?

Customers in Malaysia can complete an online consultation with a DoctorOnCall doctor, who decides whether a prescription is appropriate, or upload a valid prescription already issued by their own doctor.

Orders going to Singapore are dispatched from Malaysia as an international delivery, so you need to hold a valid prescription or doctor’s letter for the medicine. Check the consultation and prescription upload options shown at checkout for your delivery address before placing the order.

How long will delivery take?

Within Malaysia, standard delivery takes 3 to 5 working days. Same-day delivery is available in the Klang Valley for orders placed before 12pm; orders placed after 12pm arrive by the end of the next day.

Orders to Singapore are sent as international deliveries and take 5 to 9 working days. A lump-sum shipping and handling fee applies to every overseas delivery and is shown at checkout.

What payment methods can I use?

Customers in Malaysia can pay by FPX online banking, credit or debit card (Visa and Mastercard), and supported e-wallets including Touch ‘n Go eWallet, GrabPay and ShopeePay.

FPX and local e-wallets are tied to Malaysian bank and wallet accounts, so if your delivery address is in Singapore, use the payment options displayed at checkout for that address rather than assuming the same list applies.

Can Hovid Virest 400mg Tablet be delivered to Singapore?

Yes. DoctorOnCall ships to Singapore as an international order dispatched from Malaysia, arriving in 5 to 9 working days with a lump-sum shipping and handling fee.

Singapore’s Health Sciences Authority (HSA) allows personal imports of up to three months’ supply of a medicine for your own use or an immediate family member’s, as long as it contains no controlled drugs, psychotropic substances or prohibited items. Keep the product in its original labelled packaging and keep a copy of your prescription or doctor’s letter with it. Quantities above three months’ supply, and medicines containing controlled substances, require prior HSA approval.

Is Hovid Virest 400mg Tablet registered with the authorities?

Products listed on DoctorOnCall are registered with Malaysia’s Ministry of Health for supply in Malaysia, and each pack carries its MAL registration number.

An order delivered to Singapore arrives as a personal import of a Malaysia-registered product; HSA product registration is not required for personal-use quantities, but it is also not the same as a product registered for sale in Singapore. If you need a locally registered Singapore product, buy it from a pharmacy in Singapore.

Who do I contact if there is a problem with my order?

DoctorOnCall’s customer care team handles order, delivery and product queries through the contact channels on the site, including WhatsApp and the online help centre.

For deliveries to Singapore, allow more time before chasing an order than you would for a local Malaysian delivery, as the parcel passes through customs clearance and tracking updates can appear later in the journey.

Ingredients / Active Ingredients

  • Aciclovir 400mg

Safety Advice

Pregnancy

Safe If Prescribed

This medicine should only be used during pregnancy if prescribed by a doctor after careful evaluation.

Breastfeeding

Use With Care

Use with caution. Monitor infant for potential adverse reactions.

Kidney

Use With Care

Use cautiously. Dose adjustment or monitoring may be required.

Liver

Use With Care

Use cautiously. Liver function monitoring may be required.

Alcohol

Generally Safe

Consuming alcohol with this medicine is generally safe, but moderate intake is advised.

Driving

Use With Care

Use caution while driving until you know how this medicine affects you.

Medical Review

Written by:

Dr. Chong Zhan Pong

Doctor of Medicine (MD), International Medical University (IMU)

Reviewed by:

Dr. Mohd Izzat Amir Bin Awang

Doctor of Medicine (MD), University of Mansoura - Manchester

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Important Medical Information

💊 Recommended Dosage:

The dose and frequency of Hovid Virest 400mg Tablet depend on the specific infection being treated (cold sores, genital herpes, or shingles/chickenpox) and your kidney function, and will be determined by your doctor; treatment is usually started as early as possible after symptoms appear for the best effect.

🛑 Contraindications (Do not use if):
  • Known hypersensitivity to aciclovir, valaciclovir, or any ingredient in this product
If you are unsure, please chat with us or consult your doctor.
⚠️ Common Side Effects:
  • Nausea or vomiting
  • Headache
  • Dizziness
  • Diarrhoea
  • Joint or muscle pain
  • Fatigue or tiredness
  • Mild rash or skin reaction
Stop taking this medication immediately and consult your doctor if you experience severe allergic reactions or side effects.
IMPORTANT: Unsure? Chat with our pharmacists (Mon - Sat, 9:00am - 6:00pm) before buying.