Duopharma Doxycillin 100mg Tablet
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Prescription Required
Overview
Duopharma Doxycillin 100mg Tablet contains Doxycycline 100mg 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 Duopharma Doxycillin 100mg 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 Duopharma Doxycillin 100mg Tablet with a full glass of water and remain upright (sitting or standing) for at least 30 minutes afterwards, as lying down too soon can allow the tablet to irritate or ulcerate the oesophagus. Avoid taking it with milk, other dairy products, calcium, iron, antacids, or mineral supplements, as these can bind to doxycycline and reduce how much your body absorbs – space these apart by at least 2-3 hours.
Dosage
The usual adult dose of Duopharma Doxycillin 100mg Tablet is 100mg once or twice daily depending on the type and severity of infection being treated; for long-term acne control, a lower dose is often used over several weeks to months. Your doctor will determine the exact dose and duration for your condition, and the full course should be completed even if you feel better before it ends.
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
- Diarrhea
- Skin sensitivity to sunlight (photosensitivity)
- Loss of appetite
- Headache
- Temporary discoloration of teeth in children
- Mild skin rash
Contraindications
- Known hypersensitivity to doxycycline or other tetracycline-class antibiotics
- Children under 8 years of age (can cause permanent tooth discolouration and affect bone growth)
- Pregnancy (can affect the developing baby’s teeth and bones)
- Severe liver impairment
Drug / Food Interactions
- Dairy products, calcium, iron, antacids, and mineral supplements reduce doxycycline absorption – take at least 2-3 hours apart
- May reduce the effectiveness of hormonal contraceptives – use an additional non-hormonal method during treatment
- May enhance the blood-thinning effect of warfarin, requiring closer monitoring
- Increased sun sensitivity means combining with other photosensitising medicines raises the risk of sunburn
Quick Tips
- Take with a full glass of water and stay upright for at least 30 minutes afterwards
- Avoid taking this medicine right before lying down or going to bed
- Space this medicine at least 2-3 hours apart from dairy, calcium, iron, or antacids
- Use sunscreen and protective clothing, and avoid excessive sun exposure
- Complete the full course even if you feel better, unless your doctor advises otherwise
- Tell your doctor if you are or could be pregnant before starting this medicine
Frequently Asked Questions
Is Duopharma Doxycillin 100mg Tablet a prescription medicine?
Yes. Duopharma Doxycillin 100mg 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 Duopharma Doxycillin 100mg Tablet contain?
Duopharma Doxycillin 100mg Tablet is supplied as a tablet and contains Doxycycline 100mg. 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 Duopharma Doxycillin 100mg 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 Duopharma Doxycillin 100mg 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 Duopharma Doxycillin 100mg 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 Duopharma Doxycillin 100mg 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 Duopharma Doxycillin 100mg 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 Duopharma Doxycillin 100mg 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 Duopharma Doxycillin 100mg 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
- Doxycycline 100mg
Safety Advice
Pregnancy
This medicine is not considered safe during pregnancy and should be avoided.
Breastfeeding
Use with caution. Monitor infant for potential adverse reactions.
Kidney
Generally safe, but caution may be required in some patients.
Liver
Use cautiously. Liver function monitoring may be required.
Alcohol
It is not advisable to consume alcohol while taking this medicine.
Driving
This medicine is generally safe and should not impair your driving ability.
