Buy Clarinex
clarinex
$24.30
- Active ingredient: Desloratadine
- Category: Allergy & Asthma
- Delivery time: Airmail (14-21 days) | EMS trackable (5-9 days)
- Prescription: Included
- Availability: In Stock
Clarinex tablets containing Desloratadine 5mg are available from our Singapore pharmacy. This advanced antihistamine works by blocking histamine receptors, providing effective relief from allergy symptoms including sneezing, runny nose, itchy eyes, and hives. As a non-drowsy formula, it allows for daytime use without sedation. It is an ideal solution for allergy sufferers seeking 24-hour relief from seasonal or year-round allergy symptoms.
Table of contents
- Clarinex (Desloratadine) Buyer and Patient Handbook in Singapore
- What is Clarinex?
- Who Should Use Clarinex?
- How Does It Work?
- Why Choose Clarinex?
- Dosage, Administration, Lifestyle and Dietary Recommendations
- Recommended Dosage
- How to Take
- Missed Dose
- Overdose
- Special Populations
- Lifestyle & Diet
- Precautions and Warnings
- Drug Interactions
- Potential Side Effects
- Common Side Effects
- Less Common Side Effects
- Serious Side Effects
- Who Should Avoid This Medication?
- Storage Instructions
- Clarinex Alternatives
- Frequently Asked Questions
- How quickly does Clarinex start to work?
- Can I take Clarinex with alcohol?
- Is Clarinex safe during pregnancy?
- Will Clarinex affect my ability to drive?
- Can I use Clarinex for a child under 12?
- What should I do if I forget a dose?
- Are there foods that interact with Clarinex?
- How long can I stay on Clarinex?
- Glossary
- Disclaimer
- Clarinex Properties
- Clarinex Drug Class
- Clarinex Connected Conditions
- How to purchase Clarinex on our Website
- Reviews
- Write your review
Clarinex (Desloratadine) Buyer and Patient Handbook in Singapore
What is Clarinex?
Clarinex (Desloratadine) is an oral antihistamine indicated for the relief of nasal congestion, sneezing, itching and watery eyes caused by seasonal or perennial Allergic Rhinitis, as well as for chronic spontaneous Urticaria. It belongs to the second-generation antihistamine class, which means it works without causing the Drowsiness common to older antihistamines. In Singapore, the product is approved by the Health Sciences Authority (HSA) and is available as a 5 mg tablet.
Who Should Use Clarinex?
- Adults and adolescents ≥ 12 years old with documented allergic rhinitis.
- Patients experiencing persistent hives (Chronic Urticaria) not controlled by non-prescription options.
- Individuals who need a non-sedating antihistamine for daytime activities or work.
How Does It Work?
Desloratadine blocks the H1 histamine receptors in the body, preventing histamine-released during an allergic reaction-from binding to its targets. Imagine a lock (the receptor) and a key (histamine); Clarinex acts as a dummy key that fills the lock, keeping the real key from turning. Because it does not readily cross the blood-brain barrier, it minimizes the “sleepy” effect while still curbing allergy symptoms.
Why Choose Clarinex?
- Consistent symptom control: Clinical trials show rapid relief within 1 hour that lasts up to 24 hours.
- Non-sedating profile: Suitable for drivers, students and professionals who must stay alert.
- Convenient once-daily dosing: Improves adherence compared with multiple-dose regimens. Off-label uses such as for allergic Conjunctivitis or asthma-related Cough may occur, but you should discuss any non-approved indication with a qualified health professional.
Dosage, Administration, Lifestyle and Dietary Recommendations
Recommended Dosage
- Adults & adolescents ≥12 years: One 5 mg tablet once daily.
How to Take
- Swallow the tablet whole with a glass of water.
- Can be taken with or without food; consistency helps maintain steady blood levels.
Missed Dose
- If you remember within 12 hours, take it immediately.
- If more than 12 hours have passed, skip the missed tablet and resume the regular schedule. Do not double-dose.
Overdose
- Seek immediate medical attention if you suspect an overdose.
- Symptoms may include rapid heartbeat, dizziness or severe drowsiness; bring the tablet packaging for reference.
Special Populations
- Elderly: No dosage adjustment needed, but monitor for renal impairment.
- Children <12 years: Not approved; consult a paediatric specialist for alternatives.
- Renal or hepatic impairment: Use with caution; dose reduction may be advised by a clinician.
Lifestyle & Diet
- Grapefruit juice does not significantly affect desloratadine levels, but avoid excessive alcohol as it may increase Sedation risk.
- Keep a glass of water handy when outdoors to rinse eyes that may become irritated.
Precautions and Warnings
- Do not use if you have a known hypersensitivity to desloratadine or any component of the tablet.
- Exercise caution when operating heavy machinery until you know how Clarinex affects you, even though sedation is rare.
- Inform your pharmacist of any liver or Kidney Disease, as dose adjustments might be required.
Drug Interactions
| Interacting Drug/Class | Interaction Risk | Management |
|---|---|---|
| Erythromycin / Ketoconazole | ↑ desloratadine levels | Monitor for side effects; consider dose reduction |
| Ritonavir | ↑ desloratadine exposure | Use lowest effective dose; assess tolerability |
| Antihistamines (first-generation) | Additive sedation | Avoid concurrent use unless advised |
Potential Side Effects
Common Side Effects
- Headache
- Dry mouth
- Fatigue
Less Common Side Effects
- Nausea
- Dizziness
- Sore throat
Serious Side Effects
- Rapid or irregular heartbeat - seek urgent medical care.
- Severe rash or swelling (angioedema) - discontinue and obtain emergency assistance.
- Difficulty breathing - call emergency services immediately.
If any serious reaction occurs, stop the medication and consult a health professional promptly.
Who Should Avoid This Medication?
- Patients with a documented hypersensitivity to desloratadine or any excipient.
- Individuals taking monoamine oxidase inhibitors (MAOIs) within 14 days.
- Persons with severe renal or hepatic failure without specialist supervision.
Storage Instructions
- Keep the tablets in the original blister pack until use.
- Store at 15 °C-30 °C (59 °F-86 °F); protect from moisture and direct sunlight.
- Keep out of reach of children and pets.
Clarinex Alternatives
| Alternative | Class | Key Difference |
|---|---|---|
| Cetirizine | Second-gen antihistamine | May cause mild sedation in some users |
| Loratadine | Second-gen antihistamine | Longer half-life, similar efficacy |
| Fexofenadine | Second-gen antihistamine | No sedation; requires twice-daily dosing for some patients |
Frequently Asked Questions
How quickly does Clarinex start to work?
It typically begins relieving symptoms within 1 hour of ingestion, with maximal effect reached by the end of the day.
Can I take Clarinex with alcohol?
Occasional moderate alcohol consumption is generally safe, but excessive drinking may increase the chance of mild drowsiness.
Is Clarinex safe during pregnancy?
Animal studies show no teratogenic risk, and limited human data suggest it is Category B2 (US FDA); however, discuss any use with your obstetrician.
Will Clarinex affect my ability to drive?
Because it is non-sedating, most patients can drive safely, but test your response after the first dose if you are particularly sensitive.
Can I use Clarinex for a child under 12?
No, it is not approved for children younger than 12 years; consult a paediatrician for age-appropriate options.
What should I do if I forget a dose?
If you remember within 12 hours, take it; otherwise, skip the missed tablet and continue with your regular schedule.
Are there foods that interact with Clarinex?
Desloratadine has minimal food interactions, but avoid taking it with large amounts of grapefruit juice if you are also on other medications that interact with CYP3A4.
How long can I stay on Clarinex?
Long-term use is considered safe for chronic urticaria and persistent allergic rhinitis, provided you have periodic medical review.
Glossary
- Antihistamine: A drug that blocks histamine receptors, reducing allergy symptoms.
- Second-generation: A class of antihistamines designed to cause less drowsiness than first-generation agents.
- Bioavailability: The proportion of a drug that enters systemic circulation and can have an active effect.
Disclaimer
The information in this handbook is for general educational purposes only and does not replace professional medical advice. Off-label uses should be discussed with a qualified health professional. Our online pharmacy service provides medication delivery within Singapore, but the ultimate responsibility for safe and appropriate use lies with the consumer. Always consult a doctor or pharmacist before starting, stopping, or changing any medication regimen.
Clarinex Properties
- Original Manufacturer: Various
- Clinical use: Used for the treatment of allergic rhinitis and chronic urticaria.
- Spectrum of activity: Antihistamine
- Mechanism of action: Blocks histamine H1 receptors, reducing allergic symptoms.
- Classification: Antihistamine
- Recommended Dosage: 5 mg once daily, taken orally.
- Basic Side Effects: Dry mouth, Drowsiness
- Moderate Side Effects: Headache, Fatigue
- Serious Side Effects: Rare cases of severe allergic reactions
Clarinex Drug Class
Clarinex Connected Conditions
How to purchase Clarinex on our Website
To purchase Clarinex | Desloratadine on our website, just select the required dosage and quantity of pills above. The price of your choice will appear automatically. Next, add the chosen amount to your cart by clicking the Add to Cart button. You can either continue shopping for more pills or head to the checkout. At the Checkout, finalize your purchase through our secure payment gateway.
Clarinex / Desloratadine pills are made using high-quality generic ingredients and are subject to strict quality control in line with WHO and Health Sciences Authority (HSA) standards. However, please note that Clarinex pills are dispatched from outside Singapore due to prescriptions issued overseas.
Disclaimer: The content on this website is provided solely for informational purposes and is not intended to replace professional medical advice, diagnosis, or treatment. Always consult a qualified healthcare provider with any questions or concerns regarding your health, and never disregard or delay seeking professional advice based on the information presented here. Use of this website does not create a doctor-patient relationship, and in the event of a medical emergency, please contact your local emergency services immediately. Our website assumes no responsibility or liability for any errors or omissions in the content provided.
Reviews
Been on Clarinex for 3 weeks after Zyrtec made me too drowsy. It's definitely better for daytime use, zero sleepiness which is great for driving here in KL. The only downside is the dry mouth and nose, it's pretty noticeable. My ENT said it's normal. Found out on a forum that sucking on sugar-free lozenges helps a ton with the dryness.
First week on desloratadine for my chronic hives. It's reducing the itch, but I feel a bit 'wired' and had trouble sleeping the first few nights. Headache on day 2 was rough. Pharmacist said my body needs to adjust. Trying to take it right after breakfast to see if that helps with the weird energy feeling. Hoping the side effects fade soon because the relief is real.
Five years on Clarinex for perennial allergic rhinitis. It's my daily companion through the haze and dust. Works like a charm, but the key is CONSISTENCY. If I forget a dose, the rebound congestion is brutal. Pro tip: Set a phone alarm. Also, drink way more water than you think you need, fights the dryness. Doesn't mix well with coffee on an empty stomach for me, gives me jitters.
My son and I both take the 5mg pill for our dust mite allergies. It's the only one that doesn't make him sleepy in school. For me, it keeps the sneezing fits away. The cost is a bit high compared to older antihistamines, but worth it for the quality of life. We get ours from a specific clinic in JB that's cheaper than Singapore. Main issue is it does nothing for itchy eyes, need drops for that.
Been using this for 2 years for skin allergies. It works, but it's not a magic bullet. If I eat something I'm really allergic to, I still need a stronger med. The biggest 'hack' I learned is to occasionally switch to a different antihistamine for a month or two (like fexofenadine) then switch back. It seems to keep the effectiveness high. Prevents tolerance buildup, I think.
As a runner in Jakarta, pollen and pollution are a nightmare. Clarinex lets me train without wheezing. The non-drowsy claim is legit. But fair warning, after about 8 months of daily use, I noticed some weight gain. Not massive, but it's there. Could be unrelated, but I've seen others mention it online. A small price to pay for being able to breathe, I suppose.
My doctor prescribed this for chronic idiopathic urticaria. It stops the hives, which is amazing. However, it made my period cycle super irregular and seemed to worsen my mood swings before my period. GP says it's rare but possible. So it's a trade-off. I only take it now during bad flare-ups, not daily. Kinda frustrating that it fixes one thing but messes with another.
Used Clarinex for sinus issues post-cold. It dried up the post-nasal drip effectively, but it also dried out my sinuses so much I got a few nosebleeds. Had to use a saline nasal spray alongside it. Worked well for the initial problem, but you really need to manage the dryness. Not something I'd use long-term for my situation, but good for a short, sharp attack.