Mepron (Atovaquone) Customer Reviews


Rx Prescription Required    RxFormulation : Suspension

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Atovaquone is indicated for the treatment of Pneumocystis jiroveci pneumonia (PCP), a type of pneumonia predominantly affecting individuals with human immunodeficiency virus (HIV). This medication is also utilized as a prophylactic measure against PCP in those teenagers and adults who are unable to tolerate alternative preventive medications. Belonging to the class of antiprotozoal agents, atovaquone exerts its therapeutic effect by arresting the growth of specific protozoa known to be causative agents of pneumonia.

Uses and Dosage

Atovaquone is administered orally in the form of a suspension (liquid). When used for pneumonia treatment, it is typically taken twice a day with meals for a duration of 21 days. For pneumonia prevention, it is taken once daily alongside a meal.

Strict adherence to the prescribed dosage is imperative; neither increasing nor decreasing the dose or altering the frequency beyond the doctor’s recommendation.

For liquid medications in bottles, gently shaking the container before each use is necessary to ensure proper mixing. Accurate measurement of the prescribed amount is vital, and a dose measuring spoon or cup should be used rather than a regular household spoon.

In the case of medications provided in packets, the contents may be ingested directly from the packet or poured into a dosing spoon or cup.

Completing the entire prescription course is essential, even if symptoms improve while using Atovaquone for pneumonia treatment. Prematurely discontinuing the medication or missing doses can result in incomplete treatment of the infection or inadequate protection against future infections.

Atovaquone is specifically designed to address Pneumocystis jiroveci pneumonia (PCP) and will not be effective in treating other types of lung infections. In instances where multiple lung infections are present, your doctor may prescribe additional antibiotics to be used in conjunction with Atovaquone.

Side Effects

Some side effects may occur that usually do not need medical attention:

  • nausea
  • vomiting
  • diarrhea
  • headache
  • dizziness
  • anxiety
  • difficulty falling asleep or staying asleep

Inform your healthcare provider immediately if you experience any serious side effects:

  • rash
  • fever
  • swelling of the eyes, face, lips, tongue, mouth, or throat
  • hives
  • difficulty breathing or swallowing
  • hoarseness or throat tightness


Before commencing atovaquone treatment, inform your doctor or pharmacist about any known allergies, including allergies to atovaquone itself or other substances. The product may contain inactive components that could potentially trigger allergic reactions or other adverse effects.

Prior to initiating this medication, disclose your medical history to your doctor or pharmacist, particularly if you have a history of liver disease, kidney disease, or any stomach/intestinal issues that may impact the absorption of atovaquone, such as long-term diarrhea or malabsorption syndrome.

This drug has the potential to cause dizziness. Consumption of alcohol or marijuana while on this medication may exacerbate dizziness. Refrain from driving, operating machinery, or engaging in activities requiring alertness until you can safely do so.

During pregnancy, the use of this medication should only be considered when absolutely necessary. Discuss the potential risks and benefits with your doctor before proceeding.

The transfer of this drug into breast milk is not well understood. If you are breastfeeding, it is advisable to consult your doctor before using atovaquone.

Form and Strength

Mepron is available in the following forms and strengths:

  • Mepron suspension:

    • 750mg/5ml


How do I take Mepron?

This medication must be taken with food for it to be absorbed by your body. Shake the medication gently before using it.

Can Mepron be used in children?

This medication is only approved to be used in adults and adolescents 13 years of age and older.



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Can Drug Store has provided information from third parties intended to increase awareness and does not contain all the information about Mepron (Atovaquone). Talk to your doctor or a qualified medical practitioner for medical attention, advice, or if you have any concerns about Mepron (Atovaquone).