Milosec 20mg Capsule
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Prescription Required
Overview
Milosec 20mg Capsule is a prescription-only medicine (POM) that contains Omeprazole 20mg. It is supplied as a capsule and is dispensed in Malaysia only against a valid prescription issued by a registered doctor.
Under Malaysian rules for prescription medicines, this page carries product, safety and handling information only. Your doctor or pharmacist will explain whether this medicine is suitable for you, the dose you should take, and how long you should take it.
On DoctorOnCall, Milosec 20mg Capsule is reviewed by a licensed doctor through an online consultation and dispensed by a registered pharmacist before delivery. Always follow the instructions on your prescription label and the package insert supplied with the product, and do not share this medicine with anyone else.
Directions for Use
Take Milosec 20mg Capsule before a meal, usually in the morning before breakfast, swallowing the capsule whole with water. Do not crush, chew, or open the capsule, as it contains delayed-release granules designed to protect the medicine from stomach acid until it is absorbed.
Dosage
The usual adult dose of Milosec 20mg Capsule is one capsule (20mg) once daily, though your doctor may prescribe a different dose or frequency depending on your condition, such as a higher dose or twice-daily dosing for more severe cases or H. pylori eradication. Always follow your doctor’s specific instructions and complete the full course as prescribed.
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
- Nausea or vomiting
- Stomach pain
- Diarrhea or constipation
- Bloating or gas
- Dizziness
- Fatigue
Contraindications
- Known hypersensitivity to omeprazole, other proton pump inhibitors, or any ingredient in this product
- Concurrent use with nelfinavir or certain other HIV medicines that require stomach acid for proper absorption
- Caution in patients with severe liver impairment, where dose adjustment may be needed
Drug / Food Interactions
- Clopidogrel’s antiplatelet effect may be reduced when combined with omeprazole, potentially lowering its protection against blood clots
- Warfarin’s blood-thinning effect may be increased, requiring closer INR monitoring
- Methotrexate levels may increase when combined with omeprazole, particularly at high methotrexate doses
- Medicines that need an acidic stomach environment for absorption, such as ketoconazole, may be less well absorbed when taken with omeprazole
Quick Tips
- Take before a meal, usually in the morning, for the best effect
- Swallow the capsule whole – do not crush, chew, or open it
- Complete the full course prescribed by your doctor, even if symptoms improve earlier
- Tell your doctor if you are taking clopidogrel, warfarin, or methotrexate before starting this medicine
- Report persistent diarrhoea, unusual muscle cramps, or an irregular heartbeat to your doctor, especially with long-term use
- Do not use this medicine for longer than your doctor recommends without a review
Frequently Asked Questions
Is Milosec 20mg Capsule a prescription medicine?
Yes. Milosec 20mg Capsule 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 Milosec 20mg Capsule contain?
Milosec 20mg Capsule is supplied as a capsule and contains Omeprazole 20mg. 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 Milosec 20mg Capsule 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 Milosec 20mg Capsule?
Take it exactly as written on your prescription label. Do not increase, reduce or skip doses on your own, and do not continue beyond the period your doctor has prescribed. Practical handling steps are set out in 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 Milosec 20mg Capsule?
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 Milosec 20mg Capsule 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 Milosec 20mg Capsule?
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 Milosec 20mg Capsule 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 Milosec 20mg Capsule 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
- Omeprazole 20mg
Safety Advice
Pregnancy
This medicine should only be used during pregnancy if prescribed by a doctor after careful evaluation.
Breastfeeding
Use during breastfeeding should only be done if prescribed and monitored by a doctor.
Kidney
Use cautiously. Dose adjustment or monitoring may be required.
Liver
Use cautiously. Liver function monitoring may be required.
Alcohol
Caution is advised when consuming alcohol with this medicine.
Driving
Use caution while driving until you know how this medicine affects you.
