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Overview
Glendes 5mg Tablet is a non-prescription antihistamine manufactured by Glenmark, containing desloratadine 5mg as its active ingredient. Desloratadine is a second-generation, selective peripheral histamine H1-receptor antagonist used to relieve the symptoms of allergic conditions such as allergic rhinitis (including hay fever) and chronic idiopathic urticaria (hives). Unlike some older, first-generation antihistamines, desloratadine is formulated to act mainly outside the central nervous system, which is why it is generally described as a “non-drowsy” or “less-sedating” antihistamine for most users.
Glendes is intended for adults and adolescents above 12 years of age and is taken once daily. It is sold in Malaysia as a tablet in packs of 10s and 30s, and can be purchased without a doctor’s prescription, although — as with any medicine — it may not be suitable for everyone. People with significant kidney or liver problems, or those who are pregnant or breastfeeding, should check with a pharmacist or doctor before use.
How it Works
Desloratadine works by selectively blocking peripheral histamine H1-receptors. Histamine is a chemical released by the body’s immune system during an allergic reaction, and it is responsible for many of the classic symptoms of allergy, including itching, sneezing, a runny nose, and swelling or redness of the skin (hives). By blocking H1-receptors, desloratadine prevents histamine from binding to them, which reduces or stops these allergic symptoms. Desloratadine is the active metabolite of loratadine and has a long duration of action, which is why it is taken only once a day.
Directions for Use
Swallow the tablet whole with a glass of water, at approximately the same time each day to help maintain a consistent effect. Glendes can be taken with or without food. It is generally recommended to take it in the evening for allergic rhinitis symptoms, although your pharmacist can advise on timing based on when your symptoms are most troublesome. Before combining Glendes with any other allergy, cold, or flu product, check the active ingredients, as many combination cold and flu products already contain an antihistamine — taking two antihistamine-containing products together does not give extra relief and increases the risk of side effects.
Dosage
The usual dose for adults and adolescents above 12 years is one 5mg tablet taken once daily, with or without food. Do not exceed one tablet in 24 hours. Glendes is not intended for children 12 years and under unless specifically advised by a doctor, as a lower-strength, age-appropriate formulation is usually needed for younger children. If your allergy symptoms do not improve after regular use, or return as soon as you stop the medicine, speak with a doctor or pharmacist rather than increasing the dose on your own. If you miss a dose, take it as soon as you remember that day; do not take a double dose to make up for a missed one.
Shelf Life
Use this product before the expiry date printed on the packaging. Do not use the tablets if the expiry date has passed.
Storage Instructions
Store below 30°C in a cool, dry place, away from direct sunlight and moisture, and out of reach of children.
Side Effects
- Headache
- Dry mouth
- Fatigue
- Dizziness
- Sore throat
- Muscle pain
Contraindications
- Known hypersensitivity to desloratadine, loratadine, or any of the tablet’s ingredients.
- Children 12 years and under, unless a lower, age-appropriate dose has been specifically advised by a doctor.
Drug / Food Interactions
- Desloratadine has a low potential for clinically significant drug interactions compared with older antihistamines, but caution is still advised with certain medicines.
- Alcohol and other sedating medicines (e.g. sleeping tablets, some anti-anxiety or pain medicines): combining these with Glendes may increase drowsiness — avoid or limit alcohol while taking this medicine.
- Other antihistamines or cold and flu products containing an antihistamine: avoid taking together, as this increases the risk of side effects such as drowsiness or dry mouth without added benefit.
- Always tell your pharmacist or doctor about all other medicines you are taking, particularly if you have kidney or liver problems, as your dosing interval may need to be adjusted.
Quick Tips
- Take Glendes at around the same time each day for the most consistent allergy control.
- Do not take more than one tablet in 24 hours, even if your symptoms feel severe.
- Check the active ingredients of any other cold, flu, or allergy product before combining it with Glendes to avoid taking a duplicate antihistamine.
- Most people can drive or operate machinery as normal, but be cautious until you know your own response to this medicine.
- Keep track of how many days you have used Glendes without medical advice; continuous use beyond a few weeks should be discussed with a doctor or pharmacist.
- See a doctor if your allergy symptoms do not improve, worsen, or are accompanied by breathing difficulty or facial swelling.
Frequently Asked Questions
What is Glendes 5mg Tablet used for?
Glendes contains desloratadine and is used to relieve allergy symptoms such as sneezing, runny or blocked nose, itchy or watery eyes, and hives associated with allergic rhinitis and chronic idiopathic urticaria.
Does Glendes make you drowsy like older allergy tablets?
Desloratadine is generally described as a less-sedating antihistamine because it acts mainly outside the central nervous system, so most people do not experience marked drowsiness — but individual responses vary, so take note of how it affects you before driving or operating machinery.
Can children take Glendes 5mg Tablet?
Glendes 5mg is intended for adults and adolescents above 12 years. It is not suitable for children 12 years and under unless a doctor has specifically advised a lower, age-appropriate dose.
What are the common side effects of desloratadine?
The most common side effects are headache, dry mouth, fatigue, and sore throat. A fast or irregular heartbeat or signs of a severe allergic reaction are rare but need urgent medical attention if they occur.
Can I take Glendes with other cold and flu medicine?
Check the active ingredients first. Many combination cold and flu products already contain an antihistamine, so taking them together with Glendes can duplicate the ingredient and increase the risk of side effects without extra benefit.
Can I purchase Glendes 5mg Tablet online through DoctorOnCall in Malaysia or Singapore?
Yes, Glendes 5mg Tablet is available for purchase through DoctorOnCall as an online pharmacy serving customers in Malaysia and Singapore. As with any over-the-counter medicine, please read the product label and follow the recommended directions, and speak with our pharmacist team if you have any questions before ordering.
Is the medication supplied by DoctorOnCall genuine and safe to use?
Medicines supplied through DoctorOnCall are sourced and handled through the appropriate pharmacy supply process. As with any medicine, please use Glendes 5mg Tablet according to the product instructions and professional advice, and contact our pharmacist team if you have any concerns about your order.
What payment methods does DoctorOnCall accept?
We accept payment via Online Banking, Credit Card, and e-Wallets (Boost, GrabPay), so you can choose whichever method is most convenient for you at checkout.
Does DoctorOnCall provide an installment payment plan for Glendes 5mg Tablet?
DoctorOnCall provides an installment payment plan for eligible purchases where applicable. Available plans, eligibility, and terms can vary, so please contact DoctorOnCall Customer Service for the latest information on installment options for your order.
Is delivery free, and how much does it cost?
Delivery charges may depend on your delivery location and the applicable order and delivery terms. For the latest delivery fee information for Malaysia or Singapore, please contact DoctorOnCall Customer Service.
How long will it take for my order to arrive?
Orders to Malaysia are generally delivered within 3-5 working days, and orders to Singapore are generally delivered within 5-9 working days, although actual delivery time may vary depending on the delivery location, order processing, courier operations, weekends, and public holidays.
What is DoctorOnCall’s shipping, return, or cancellation policy for Glendes 5mg Tablet?
Shipping, return, and cancellation terms may vary depending on the product, your order details, and whether you are ordering from Malaysia or Singapore. Please refer to DoctorOnCall’s Shipping & Delivery Policy and Return, Refund & Exchange Policy, or contact Customer Service, for the specific terms that apply to your order.
Ingredients / Active Ingredients
- Active ingredient: Desloratadine 5mg per tablet.
- Drug class: Second-generation antihistamine (selective peripheral H1-receptor antagonist).
- Dosage form: Oral tablet.
- Manufactured by Glenmark; sold in Malaysia in pack sizes of 10s and 30s.
- Specific inactive ingredients are not publicly disclosed for this formulation — check the package insert or ask your pharmacist if you have a known excipient allergy.
Related Health Conditions
Safety Advice
Pregnancy
This medicine should only be used during pregnancy if prescribed by a doctor after careful evaluation.
Breastfeeding
Use with caution. Monitor infant for potential adverse reactions.
Kidney
Use cautiously. Dose adjustment or monitoring may be required.
Liver
Use cautiously. Liver function monitoring may be required.
Alcohol
It is not advisable to consume alcohol while taking this medicine.
Driving
It is not advisable to drive if you experience side effects from this medicine.
Relevant Information
Precautions: use with caution, and only after speaking with a doctor or pharmacist, if you are pregnant or breastfeeding, elderly, or have significant kidney or liver impairment, as your dose or dosing interval may need adjustment. Glendes is not intended for children 12 years and under without medical advice. Most people find this medicine does not significantly affect alertness, but individual responses vary — take note of how it affects you before driving or operating machinery, and limit alcohol while taking it.
When to See a Doctor or Pharmacist: your allergy symptoms are severe, do not improve after regular use, or return quickly once you stop the medicine; you need to use an antihistamine continuously for more than a few weeks; you are pregnant, breastfeeding, or considering use in a child 12 years and under; or you develop a fast or irregular heartbeat, or any sign of a severe allergic reaction such as facial or throat swelling or difficulty breathing.
Medical Review
Reviewed by:
Doctor of Medicine (MD), University of Mansoura - Manchester




