GNH USA

Europe — EMA

Malarone

GNH USA supplies Malarone (Atovaquone/Proguanil), a antimalarial for malaria prevention and treatment.

Proguanil Hydrochloride, Atovaquone

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What is Proguanil Hydrochloride, Atovaquone?

Atovaquone/proguanil, the active ingredient in Malarone, is an antimalarial presented as a tablet for oral use. It is used to prevent malaria in travelers and to treat acute uncomplicated Plasmodium falciparum infections in patients at risk. The combination works synergistically to inhibit parasite replication and is recommended for both prophylaxis and therapy in endemic regions.

GNH USA supplies Malarone as a licensed, GDP‑compliant international pharmaceutical supplier serving hospitals, pharmacies and clinics worldwide.

What is Proguanil Hydrochloride, Atovaquone used for?

Malarone is an antimalarial medication indicated for both prevention and treatment of malaria caused by Plasmodium species.

- Malaria prophylaxis: prevents infection in travelers to endemic regions when taken before, during, and after exposure. - Treatment of acute uncomplicated malaria: clears Plasmodium falciparum infection in patients with confirmed disease. - Chemoprophylaxis for chloroquine‑resistant malaria: provides protection where chloroquine resistance is prevalent.

What are the side effects of Proguanil Hydrochloride, Atovaquone?

Malarone may cause a range of adverse reactions, most of which are mild and reversible.

Common Side Effects: - Nausea - Abdominal pain - Headache - Vomiting - Diarrhoea - Loss of appetite

Serious or Rare Side Effects: - Severe skin reactions such as Stevens‑Johnson syndrome - Hepatic injury or elevated liver enzymes - Hemolysis in patients with G6PD deficiency - Anaphylaxis or severe allergic reactions - Blood dyscrasias including neutropenia

What precautions apply to Proguanil Hydrochloride, Atovaquone?

Before using Malarone, consider the following safety measures.

- Pregnancy: consult a healthcare provider as safety data are limited. - Breastfeeding: weigh potential benefits against possible risks to the infant. - Renal impairment: dose adjustment may be required in severe kidney disease. - Known drug resistance: avoid use in areas with documented resistance to atovaquone‑proguanil. - Concomitant medications: review all current drugs for possible interactions. - Store at ambient temperature: keep in the original pack, protect from moisture.

What does Proguanil Hydrochloride, Atovaquone interact with?

Malarone can interact with several medicines, affecting its efficacy or safety.

Major Interactions (Avoid): - Rifampin: markedly reduces atovaquone plasma levels, compromising effectiveness. - Protease inhibitors (e.g., ritonavir): may increase atovaquone concentrations, raising toxicity risk.

Moderate Interactions (Monitor Closely): - Antacids containing aluminium or magnesium: can decrease absorption of atovaquone. - Warfarin: may enhance anticoagulant effect, requiring INR monitoring. - CYP3A4 inducers such as carbamazepine: may lower atovaquone exposure. - Certain antiretrovirals (e.g., efavirenz): may modestly reduce drug levels.

Frequently asked questions

What is Malarone used for?+
Malarone is prescribed to prevent malaria in individuals traveling to endemic areas and to treat acute uncomplicated malaria caused by Plasmodium falciparum. It combines two active agents that work together to stop parasite growth and clear infection.
How does Atovaquone/Proguanil work?+
Atovaquone blocks the parasite’s mitochondrial electron transport chain, halting energy production, while proguanil is converted to cycloguanil, which inhibits dihydrofolate reductase, disrupting DNA synthesis. The combined effect provides a potent, synergistic antimalarial action.
What is the usual dose of Malarone?+
The specific dosage and treatment schedule for Malarone are determined by a qualified prescriber based on the indication, patient weight, age, and local resistance patterns. Patients should follow the exact instructions provided by their healthcare professional.
Is Malarone safe during pregnancy or breastfeeding?+
Safety data for Malarone in pregnancy and lactation are limited. Healthcare providers should evaluate the potential benefits against possible risks before prescribing it to pregnant or nursing women.
How do I order Malarone from GNH USA?+
To request Malarone, submit an enquiry on the product page at gnh-usa.com, specifying the required quantity. GNH USA works with hospitals, pharmacies and procurement teams worldwide, verifies trade or institutional credentials, and then provides pricing, availability, shipping details and any necessary import documentation.
How does Malarone compare with other antimalarial drugs?+
Malarone offers a convenient once‑daily oral regimen and combines two mechanisms of action, which can reduce the risk of resistance compared with single‑agent therapies such as chloroquine or mefloquine. It is generally well‑tolerated but may be less suitable in areas with documented atovaquone‑proguanil resistance.
What are the storage requirements for Malarone?+
Malarone tablets should be stored at ambient temperature, below 25 °C, in their original packaging to protect them from moisture and light. Do not store in extreme heat or humidity to maintain product stability.
How is Malarone administered?+
Malarone is taken orally with food or a milky drink to enhance absorption. For prophylaxis, it is usually started 1–2 days before travel, taken daily throughout exposure, and continued for 7 days after leaving the endemic area. For treatment, the full prescribed course should be completed.
What are the most serious risks associated with Malarone?+
Serious adverse events, though rare, include severe skin reactions such as Stevens‑Johnson syndrome, liver injury, hemolysis in patients with G6PD deficiency, and severe allergic reactions. Patients should seek immediate medical attention if they develop rash, jaundice, dark urine, or signs of anaphylaxis.
Who should not use Malarone?+
Malarone is contraindicated in individuals with known hypersensitivity to atovaquone, proguanil, or any component of the formulation. It should also be avoided in patients with severe renal impairment unless dose‑adjusted by a physician, and in those with documented resistance to the drug combination.
Information provided on this page is for educational use by procurement and clinical professionals. Always consult a licensed healthcare provider for medical advice and prescribing decisions. GNH USA supplies this product subject to applicable regulatory and licensing requirements.

Product details

Drug
Proguanil Hydrochloride, Atovaquone
Route
Oral Use
Manufacturer
Glaxo Wellcome Uk Limited
Origin
EU

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