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atovaquone/proguanil hydrochloride

atovaquone/proguanil hydrochloride

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Manufactured by various FDA-approved generic manufacturers.

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Navin Khosla NowPatientGreen tick
Updated on 24 Apr 2024

Learn more about atovaquone/proguanil hydrochloride

What dosages is atovaquone/proguanil hydrochloride available in?

What dosages is atovaquone/proguanil hydrochloride available in?

atovaquone/proguanil hydrochloride is available as one of the following:

  • Tablets (adult strength): 250 mg atovaquone and 100 mg proguanil hydrochloride
  • Pediatric tablets: 62.5 mg atovaquone and 25 mg proguanil hydrochloride
What is atovaquone/proguanil hydrochloride used for?

What is atovaquone/proguanil hydrochloride used for?

atovaquone/proguanil hydrochloride is an antimalarial and is used to prevent and treat malaria caused by plasmodium falciparum species.

How does atovaquone/proguanil hydrochloride work?

How does atovaquone/proguanil hydrochloride work?

atovaquone/proguanil hydrochloride is a combination of two medications that work together to stop malaria from growing in your body. Atovaquone works by stopping the malaria parasite from being able to make energy for itself. Without energy, the malaria parasite dies off. Proguanil is thought to work by boosting atovaquone’s effect on the malaria parasite.

How do I take atovaquone/proguanil hydrochloride?

How do I take atovaquone/proguanil hydrochloride?

For malaria prevention: Typically, you’ll start atovaquone/proguanil hydrochloride 1 to 2 days before you enter an area with malaria, and then continue taking the medication throughout your stay. After you leave from this area, you’ll need to take atovaquone/proguanil hydrochloride for 7 more days. atovaquone/proguanil hydrochloride should be taken with food or a milky drink.

Is it safe for me to take atovaquone/proguanil hydrochloride?

Is it safe for me to take atovaquone/proguanil hydrochloride?

atovaquone/proguanil hydrochloride is a safe and effective treatment when used for FDA licensed indications. However, like all medications, they may give you unwanted side effects. You should always discuss potential side effects with your physician to ensure the medication is suitable and right for you. You should not use this medication in the following:

  • Known serious hypersensitivity reactions to atovaquone or proguanil hydrochloride or any component of the formulation
  • Prophylaxis of P. falciparum malaria in patients with severe renal impairment (creatinine clearance <30 mL/min)
atovaquone/proguanil hydrochloride Common Side Effects

atovaquone/proguanil hydrochloride Common Side Effects

Common side effects of atovaquone/proguanil hydrochloride:

  • Stomach pain
  • Nausea
  • Vomiting
  • Diarrhea
  • Low appetite
  • Headache
  • Weakness
  • Dizziness
atovaquone/proguanil hydrochloride Serious Side Effects

atovaquone/proguanil hydrochloride Serious Side Effects

Serious side effects are rare with atovaquone/proguanil hydrochloride. Contact your healthcare provider immediately if you experience any of the following.

  • Liver problems: swelling of your stomach, yellowing of your skin or the whites of your eyes, confusion, dark or brown urine
Effects of other drugs, drug classes and over-the-counter products on atovaquone/proguanil hydrochloride

Effects of other drugs, drug classes and over-the-counter products on atovaquone/proguanil hydrochloride

The following medications may interact with atovaquone/proguanil hydrochloride:

  • Administration with rifampin or rifabutin is known to reduce atovaquone concentrations; concomitant use with atovaquone/proguanil hydrochloride is not recommended
  • Proguanil may potentiate anticoagulant effect of warfarin and other coumarin-based anticoagulants. Caution advised when initiating or withdrawing atovaquone/proguanil hydrochloride in patients on anticoagulants; coagulation tests should be closely monitored
  • Tetracycline may reduce atovaquone concentrations; parasitemia should be closely monitored
Who makes atovaquone/proguanil hydrochloride?

Who makes atovaquone/proguanil hydrochloride?

Various FDA-approved generic manufacturers

Is atovaquone/proguanil hydrochloride safe in pregnancy?

Is atovaquone/proguanil hydrochloride safe in pregnancy?

It is not known if atovaquone/proguanil hydrochloride may harm your unborn baby. It should be used during pregnancy only if the potential benefit justifies the potential risk to the fetus.

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What to do if you missed your atovaquone/proguanil hydrochloride dose

The FDA's medical product safety reporting program for health professionals, patients and consumers.

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Medical Disclaimer

NowPatient has taken all reasonable steps to ensure that all material is factually accurate, complete, and current. However, the knowledge and experience of a qualified healthcare professional should always be sought after instead of using the information on this page. Before taking any drug, you should always speak to your doctor or another qualified healthcare provider.

The information provided here about medications is subject to change and is not meant to include all uses, precautions, warnings, directions, drug interactions, allergic reactions, or negative effects. The absence of warnings or other information for a particular medication does not imply that the medication or medication combination is appropriate for all patients or for all possible purposes.

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