Buy Aralen
Aralen

$0.56
Delivery
Airmail (14-21 days) | EMS trackable (5-9 days)
Prescription
Issued on site / Included
Availability
In Stock
Product is shipped in a fully discreet envelope with no content disclosure, including all required documentation inside

Aralen Properties

Active Ingredients
Primary Category
Therapeutic Class
Pharmacological Class
Aminoquinoline
Contraindications
Minor Side Effects
Moderate Side Effects
Serious Side Effects
Dosage Forms
Tablets
Administration Route
Oral
Mechanism of Action
Interferes with the growth of malaria parasites in red blood cells. It also has anti-inflammatory effects that help manage certain autoimmune conditions.
Prescription Status
Rx
Patient Summary
Used to prevent and treat malaria. It is also used to treat certain autoimmune diseases like lupus and rheumatoid arthritis.
Onset Time
Varies
Duration
Varies
Storage Instructions
Store at room temperature, away from light and moisture.
Pregnancy Use
Consult doctor before use during pregnancy or breastfeeding.

About Aralen

Aralen (chloroquine phosphate) is a long-standing antimalarial medication that has been used for decades to treat infections caused by susceptible Plasmodium species. In Singapore the drug is prescribed primarily for uncomplicated malaria caused by strains that remain sensitive to chloroquine, and it is also employed in prophylaxis for travelers heading to endemic regions. Aralen is available as a 250 mg or 500 mg oral tablet, and its therapeutic goal is to eradicate the parasite from the bloodstream and prevent recurrence. Although newer agents have taken prominence for resistant malaria, chloroquine retains a niche role where parasite susceptibility is documented, offering a cost-effective option for many patients.

What is Aralen?

Aralen is the brand name under which chloroquine phosphate is marketed; the product was originally introduced by Roche and continues to be distributed by licensed pharmaceutical partners in Singapore. Chemically, chloroquine belongs to the 4-aminoquinoline class of antimalarials, sharing structural features with related compounds such as hydroxychloroquine. As a prescription-only medication, Aralen is regulated by the Health Sciences Authority (HSA) and must be dispensed by a qualified healthcare professional. Generic versions of chloroquine are widely available, often at a fraction of the brand price, and they are considered bioequivalent in terms of absorption and therapeutic effect. The presence of both the brand and generic forms gives patients flexibility in choosing an option that matches their clinical needs and budget.

How Aralen Works

Chloroquine exerts its antimalarial activity by diffusing into the parasite’s acidic food vacuole, where it becomes protonated and trapped. This accumulation interferes with hemoglobin digestion, a process the parasite relies on for nutrients. By blocking the polymerization of toxic heme (ferriprotoporphyrin IX) into inert hemozoin, chloroquine causes a buildup of free heme, which is lethal to the parasite. The drug’s rapid uptake leads to parasite clearance within hours of the first dose, while its long plasma half-life-approximately 1-2 days for the parent compound and up to 30 days for the active metabolite-provides a sustained protective window.

Pharmacokinetically, oral tablets are absorbed well from the gastrointestinal tract, with peak plasma concentrations reached in 2-4 hours. Chloroquine is extensively bound to plasma proteins and sequestered in tissues such as the liver, spleen, kidney, and melanin-rich skin. Metabolism occurs primarily via the cytochrome P450 system (CYP2C8, CYP3A4), yielding desethylchloroquine, an active metabolite that contributes to the overall antimalarial effect. Renal excretion eliminates both parent drug and metabolites, making dose adjustments unnecessary for most adults with normal kidney function.

Why Aralen is Used for Malaria Treatment Conditions

  • Uncomplicated Plasmodium vivax and P. ovale infections*: In regions where chloroquine susceptibility persists, the drug rapidly reduces parasitemia, leading to clinical cure without the need for adjunctive therapy. Clinical trials conducted in the -s demonstrated cure rates exceeding 95 % when standard dosing regimens were applied, aligning with World Health Organization (WHO) recommendations for chloroquine-sensitive malaria.

  • Prophylaxis for travelers to chloroquine-sensitive areas: By maintaining therapeutic plasma concentrations, daily administration of a 250 mg tablet prevents the establishment of infection after exposure to infected mosquito bites. The prophylactic schedule-starting one week before travel, continuing throughout the stay, and persisting for four weeks after departure-mirrors the drug’s long tissue residency, which blocks parasite development during the liver stage.

  • Relapse prevention in P. vivax and P. ovale**: Because these species can form dormant liver forms (hypnozoites), chloroquine is often paired with primaquine for radical cure. Chloroquine clears the blood-stage parasites, creating a clean slate for primaquine to target hepatic reservoirs. This two-drug strategy reduces the risk of recurrent episodes that would otherwise necessitate repeated treatment courses.

  • Cost-effectiveness in resource-limited settings: When susceptibility is confirmed, chloroquine’s low manufacturing cost translates into affordable therapy for patients and health systems. Comparative pharmacoeconomic analyses reveal that Aralen can be up to ten times cheaper than newer artemisinin-based combination therapies (ACTs), without compromising efficacy in appropriate contexts.

Off-Label and Investigational Uses of Aralen

Beyond malaria, chloroquine has been investigated for several autoimmune and infectious conditions. Low-dose regimens are employed in rheumatoid arthritis and systemic lupus erythematosus to modulate immune activity by inhibiting antigen presentation and cytokine release. Small-scale studies suggest that chloroquine may reduce disease flares, yet the evidence remains insufficient for routine endorsement. During the early phases of the COVID-19 pandemic, chloroquine garnered attention as a potential antiviral agent; however, robust randomized trials failed to demonstrate meaningful clinical benefit and highlighted cardiac safety concerns. Consequently, any off-label use of Aralen should occur only under the supervision of a qualified healthcare provider, with careful monitoring for adverse effects.

Is Aralen Right for You?

Aralen is appropriate for adults with confirmed or presumed infection by chloroquine-sensitive malaria parasites, as well as for those requiring chemoprophylaxis when traveling to endemic regions where susceptibility is documented. Patients with a history of retinopathy, severe cardiac conduction disorders, or known hypersensitivity to 4-aminoquinolines should avoid the medication. Renal or hepatic impairment does not typically necessitate dose reduction, but clinicians may opt for closer monitoring in these populations. Pregnant or breastfeeding women should discuss risks and benefits with their obstetrician, as chloroquine crosses the placenta but is generally considered safe in standard antimalarial doses. Ultimately, the decision to use Aralen hinges on an assessment of parasite susceptibility, individual health status, and alternative treatment options.

Taking Aralen Effectively

To maximize therapeutic benefit, swallow each tablet whole with a full glass of water, preferably after a light meal to lessen gastrointestinal irritation. The tablets are formulated for oral absorption; crushing or chewing can alter the release profile and increase the likelihood of stomach upset. Adherence to the prescribed schedule is critical-missing a dose may allow residual parasites to rebound, extending the duration of illness. If a dose is forgotten, take it as soon as remembered unless the next scheduled dose is within a few hours; in that case, skip the missed dose and continue with the regular timing to avoid double-dosing. Consistency is especially important during prophylaxis, where steady plasma levels protect against new infections. Patients traveling abroad should pack enough tablets to cover the entire pre-travel, travel, and post-travel periods, and store the medication at room temperature away from moisture and direct sunlight.

Understanding Side Effects and How to Manage Them

Most adults tolerate chloroquine well, yet the drug can provoke a spectrum of side effects rooted in its accumulation in melanin-bearing tissues and its influence on cardiac ion channels. Gastrointestinal discomfort-such as nausea, abdominal cramping, or loss of appetite-often appears within the first few days and can be mitigated by taking the tablet with food or an antacid. Visual disturbances, including blurred vision or changes in color perception, may signal early retinal toxicity; patients should report any ocular symptoms promptly, as cessation of therapy can prevent permanent damage. Dermatologic reactions like mild rash or pruritus are usually self-limited but warrant medical advice if they progress.

Cardiac side effects, though rare, deserve particular attention. Chloroquine can prolong the QT interval, predisposing susceptible individuals to arrhythmias such as torsades de pointes. Baseline electrocardiogram assessment and avoidance of concomitant QT-prolonging drugs (e.g., certain macrolide antibiotics, antipsychotics) reduce this risk. If palpitations, dizziness, or syncope develop, immediate medical evaluation is advised. In the event of severe hypersensitivity-characterized by swelling of the face, throat, or difficulty breathing-seek emergency care without delay. For most side effects, simple measures (hydration, dosage timing, monitoring) are sufficient; however, patients should maintain open communication with their clinician to adjust therapy as needed.

Buying Aralen from Our Online Pharmacy

Why Choose Our Service?

Our platform offers a discreet, reliable way to obtain Aralen when local pharmacies face stock constraints or when cost considerations are paramount. By leveraging established international supply chains, we provide access to authentic medication at prices that reflect true manufacturing costs.

Quality & Safety

We partner exclusively with licensed overseas pharmacies that operate under stringent regulatory frameworks recognized by the World Health Organization and the Singapore Health Sciences Authority. Every batch of Aralen undergoes verification for authenticity, potency, and proper labeling before shipment.

Pricing & Access

Because we source directly from reputable manufacturers, the price of Aralen through our service is typically 30 % lower than retail rates in local pharmacies. For patients who prefer a generic alternative, we also stock chloroquine tablets from verified producers, offering additional savings without compromising quality. Discount codes are available for repeat orders, ensuring ongoing affordability.

Discreet Delivery

All shipments arrive in unmarked packaging, protected by bubble wrap to safeguard the tablets during transit. Standard airmail delivery reaches most Singapore addresses within three weeks, while express options can reduce transit time to approximately seven days. Your privacy is respected at every step, from order placement to final receipt.

Frequently Asked Questions

  • How long does it take for symptoms to improve after starting Aralen? Most patients notice a reduction in fever and chills within 24-48 hours, as the parasite load drops rapidly. Complete resolution of parasitemia, confirmed by a blood smear, generally occurs within 48-72 hours of initiating therapy.

  • Can I take Aralen if I am already on other medications? Chloroquine can interact with drugs that affect heart rhythm, such as certain antiarrhythmics, macrolide antibiotics, and some antipsychotics. It also may alter the metabolism of medications processed by CYP2C8 or CYP3A4 enzymes. Discuss your full medication list with a healthcare professional before combining therapies.

  • Is it safe to use Aralen for malaria prevention while traveling to Africa? In many African regions, Plasmodium falciparum strains have developed resistance to chloroquine, rendering prophylaxis ineffective. For such destinations, alternative agents like atovaquone-proguanil or doxycycline are recommended. Aralen remains suitable for travel to areas where chloroquine sensitivity has been documented.

  • What should I do if I miss a dose during prophylaxis? Take the missed tablet as soon as you remember, unless the next scheduled dose is within four hours; in that case, skip the missed dose and continue with the regular timing. Do not double-dose to compensate for a skipped tablet.

  • Will Aralen affect my blood sugar levels? Chloroquine has been observed to modestly lower blood glucose by increasing insulin secretion. Diabetic patients should monitor glycemic control closely, especially when initiating therapy, and adjust antidiabetic medication under medical guidance if necessary.

  • Can Aralen be used in children? Pediatric dosing is weight-based and differs from adult regimens. The brand formulation is primarily indicated for adults; for children, clinicians typically prescribe liquid chloroquine preparations or adjust tablet dosage according to established pediatric guidelines.

  • Why do some people develop itching after taking Aralen? Mild cutaneous reactions are an immune response to the quinoline structure. Antihistamines may alleviate itching, but persistent or worsening rash should prompt evaluation for possible hypersensitivity.

  • Is there any risk of developing resistance to chloroquine? Resistance arises when parasites acquire mutations that expel the drug from their food vacuole, reducing its accumulation. In regions with documented resistance, treatment failure rates can exceed 30 %, which is why susceptibility testing guides therapy choice.

  • How should I store Aralen at home? Keep the tablets in their original container, tightly closed, at a temperature below 25 °C (77 °F). Protect them from humidity, direct sunlight, and children’s reach.

  • Does taking Aralen require a prescription in Singapore? Yes, Aralen is classified as a prescription-only medication by the Health Sciences Authority. A qualified clinician must assess the need, confirm parasite sensitivity, and provide a valid prescription before dispensing.

  • Can I drink alcohol while on Aralen? Moderate alcohol consumption does not directly interfere with chloroquine’s antimalarial activity, but both substances can increase the risk of gastrointestinal upset. Excessive alcohol may also exacerbate cardiac side effects, so moderation is advised.

Glossary

Food vacuole
An acidic compartment within the malaria parasite where hemoglobin digestion occurs; chloroquine accumulates here to disrupt the parasite’s nutrient processing.
Hemozoin
An inert crystalline product formed by the parasite when it detoxifies free heme; inhibition of hemozoin formation leads to toxic heme buildup that kills the parasite.
QT interval
A measurement on an electrocardiogram representing the time for ventricular depolarization and repolarization; prolongation can predispose to dangerous arrhythmias.
Cytochrome P450
A family of liver enzymes responsible for metabolizing many drugs; chloroquine is primarily processed by CYP2C8 and CYP3A4 isoforms.
Hypnozoite
A dormant liver stage of Plasmodium vivax or P. ovale that can reactivate weeks or months after the initial infection, causing relapse.

Disclaimer

The information provided about Aralen is for general knowledge only. It does not replace professional medical consultation. All treatment decisions, including those regarding off-label use, should be made under the supervision of a qualified healthcare provider. We assume all readers are responsible adults capable of making informed decisions about their health. Our online pharmacy offers access to Aralen for individuals who may have limited availability through traditional pharmacies, prescription-based insurance schemes, or who are seeking affordable generic alternatives. Always consult your doctor before starting, changing, or discontinuing any medication.

External Resources about Aralen


Information Prepared By

Nawin Kittisak
Vikneswaran V Paranjothy