Viagra 100mg Tablet 4s

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Brand Viatris
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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

Viagra 100mg Tablet 4s contains Sildenafil 100mg (as sildenafil citrate) 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 Viagra 100mg Tablet 4s 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 Viagra 100mg Tablet 4s on an empty stomach or after a light meal, as a high-fat meal can delay how quickly it starts to work.

Dosage

Take Viagra 100mg Tablet 4s whole with a glass of water. Taking it with a heavy, high-fat meal may delay the onset of action. Follow your doctor’s or pharmacist’s instructions when taking this medicine.

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

  • Headache
  • Flushing (warmth or redness of the face)
  • Dizziness
  • Upset stomach or indigestion
  • Nasal congestion
  • Vision changes (blurred vision or sensitivity to light)
  • Back pain or muscle aches
  • Nausea

Contraindications

  • Known hypersensitivity to sildenafil or any ingredient in this product
  • Use of any form of nitrate medicine (e.g. GTN spray/tablets for angina), including occasional use
  • Recent stroke or heart attack, or unstable angina
  • Severe heart or liver impairment

Drug / Food Interactions

  • Nitrate medicines (in any form) can cause a dangerous drop in blood pressure when combined with sildenafil – never combine these
  • Alpha-blockers (used for blood pressure or prostate conditions) may increase the risk of low blood pressure
  • CYP3A4 inhibitors (e.g. ketoconazole, ritonavir) can increase sildenafil blood levels and side-effect risk
  • Grapefruit juice may increase sildenafil levels in the blood

Quick Tips

  • Never combine this medicine with any nitrate medicine, even an occasional dose
  • Seek urgent medical help if an erection lasts longer than 4 hours
  • Avoid excessive alcohol, as it can reduce effectiveness and increase side effects
  • Inform your doctor of all heart or blood pressure medicines before starting this medicine

Frequently Asked Questions

Is Viagra 100mg Tablet 4s a prescription medicine?

Yes. Viagra 100mg Tablet 4s 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 Viagra 100mg Tablet 4s contain?

Viagra 100mg Tablet 4s is supplied as a tablet and contains Sildenafil 100mg (as sildenafil citrate). 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 Viagra 100mg Tablet 4s 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 Viagra 100mg Tablet 4s?

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 Viagra 100mg Tablet 4s?

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 Viagra 100mg Tablet 4s 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 Viagra 100mg Tablet 4s?

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 Viagra 100mg Tablet 4s 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 Viagra 100mg Tablet 4s 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

  • Sildenafil 100mg (as sildenafil citrate)

Safety Advice

Pregnancy

Not Advisable

Use during pregnancy is generally not recommended unless absolutely necessary.

Breastfeeding

Not Advisable

Generally not recommended while breastfeeding.

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

Use With Care

Caution is advised when consuming alcohol with this medicine.

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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