The 20 Best Mitochondrial Complex 3 Deficiency Doctors in Brazil

Find the Top Mitochondrial Complex 3 Deficiency Experts and Specialists

Last Updated: 11/08/2026

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MediFind found 2 doctor with experience in Mitochondrial Complex 3 Deficiency near Brazil. Of these, 2 are Advanced.

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2 providers found
    Advanced in Mitochondrial Complex 3 Deficiency
    Advanced in Mitochondrial Complex 3 Deficiency
    Referral may be required
    Porto Alegre, RS, BR 

    Ida Schwartz practices practicing medicine in Porto Alegre, Brazil. Ms. Schwartz is rated as an Advanced expert by MediFind in the treatment of Mitochondrial Complex 3 Deficiency. She is also highly rated in 35 other conditions, according to our data. Her clinical expertise encompasses Maple Syrup Urine Disease, Gaucher Disease, Mucolipidosis Type 4, Mucolipidosis 3, and Liver Transplant.

    Advanced in Mitochondrial Complex 3 Deficiency
    Advanced in Mitochondrial Complex 3 Deficiency
    Referral may be required
    Porto Alegre, RS, BR 

    Fabiano Poswar practices practicing medicine in Porto Alegre, Brazil. Mr. Poswar is rated as an Advanced expert by MediFind in the treatment of Mitochondrial Complex 3 Deficiency. He is also highly rated in 4 other conditions, according to our data. His clinical expertise encompasses Allan-Herndon-Dudley Syndrome, Early Infantile Epileptic Encephalopathy, Glucose Transporter Deficiency, and Mitochondrial Complex 3 Deficiency.

    Learn about our expert tiers
    While we make every effort to provide the best results possible, data is currently limited outside of the United States. Doctors listed may include both clinicians and researchers, and individuals relocate frequently. We recommend contacting doctors directly to confirm their location and areas of focus. Contact information is provided when available. Learn more about our expert tiers.
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    Last Updated: 11/08/2026

    What is the definition of Mitochondrial Complex 3 Deficiency?

    Mitochondrial complex III deficiency is one of several conditions caused by dysfunction of mitochondria, which are specialized compartments in cells that generate more than 90% of the energy required by the body. It is a severe, multisystem disorder that includes features such as lactic acidosis, hypotonia, hypoglycemia, failure to thrive, encephalopathy, and delayed psychomotor development. Involvement of internal organs, including liver disease and renal tubulopathy, may also occur. Symptoms typically begin at birth. It is generally caused by genetic changes in nuclear DNA in the BCS1L, UQCRB and UQCRQ genes and inherited in an autosomal recessive manner. However, it may also be caused by genetic changes in mitochondrial DNA in the MTCYB gene, which is passed down maternally or occurs sporadically and may result in a milder form of the condition.

    When should I see an Mitochondrial Complex 3 Deficiency doctor in Brazil?

    There are various reasons why you may want to see a specialist, such as: 

    • Your primary care provider recommends it. 
    • Your condition requires expert knowledge and specialized care. 
    • Your symptoms persist or worsen despite treatment. 
    • You need specialized testing or procedures. 
    • You want a second opinion.  

    What should I consider when choosing an Mitochondrial Complex 3 Deficiency doctor in Brazil?

    It’s important to see a provider with expertise in your specific condition. Each provider profile in MediFind’s doctor database includes information on which conditions they treat, years of experience, research contributions, languages spoken, insurance plans accepted, and more.  

    How do I find the best Mitochondrial Complex 3 Deficiency doctor in Brazil?

    You can find an Mitochondrial Complex 3 Deficiency doctor in any of the 10 largest U.S. cities by clicking below:

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    How does MediFind rank Mitochondrial Complex 3 Deficiency doctors in Brazil?

    MediFind’s rankings are based on a variety of data sources, such as the number of articles a doctor has published in medical journals, participation in clinical trials and industry conferences, as well as the number of patients that provider sees for a given condition. Note that MediFind’s provider database is not based on user reviews, and providers do not pay to be included in the database. 

    What types of insurance are accepted by Mitochondrial Complex 3 Deficiency doctors in Brazil?

    Most profiles in MediFind’s doctor database include a list of insurance plans accepted by that provider. However, it’s a good idea to contact the provider’s office to make sure they still accept your insurance, then doublecheck by contacting your insurance plan to confirm they’re in network. 

    How can I book an appointment online with an Mitochondrial Complex 3 Deficiency doctor in Brazil?

    MediFind offers direct scheduling for certain providers using the “Request Appointment” button on that provider’s profile. If the schedule option is not available for a provider, tap the red “Show Phone Number” button on their profile to get their contact information. If you prefer to find providers who offer online scheduling, select “Schedules online” under the “Availability” category of the filter feature on the left side of the Mitochondrial Complex 3 Deficiency doctor search results page. 

    Why is it important to get a second opinion from a different Mitochondrial Complex 3 Deficiency doctor?

    Second opinions are an opportunity to confirm a diagnosis and its root cause, learn about alternative treatment options, or simply gain peace of mind. Many people, especially those with serious diagnoses, get second opinions so they can understand all their options and make informed decisions, so don’t hesitate to get one if you have any doubts or need more information or clarification regarding your care. Note that some insurance plans require second opinions, while others don’t cover second opinions, so be sure to confirm with your insurance provider first.   

    How can I prepare for my appointment with an Mitochondrial Complex 3 Deficiency doctor in Brazil?

    Prepare for your appointment by gathering the following items: 

    • Copies of medical records (dating back at least one year) 
    • Your medical history, including illnesses, medical conditions, surgeries, and other doctors you see 
    • Family history of disease 
    • List of current prescription drugs, over-the-counter medicines, vitamins, and herbal remedies or supplements including names and doses 
    • Allergies to medications, food, latex, insects, etc.  
    • List of questions and concerns 
    • Your insurance card 

    You might also contact the provider’s office to see if they offer transportation or childcare services or if you’re allowed to bring a loved one for support or to take notes during your visit. 

    What questions should I ask my Mitochondrial Complex 3 Deficiency doctor?

    Here are some sample questions: 

    • Can you explain in simple terms what this condition is and how it’s treated? 
    • What symptoms or side effects should I watch for? 
    • What tests will be involved, and when can I expect results? 
    • Are there other specialists I need to see? 
    • What’s the best way to reach you if I have follow-up questions? 

    How can I learn about the latest clinical trials and research advances my Mitochondrial Complex 3 Deficiency doctor may know about?

    MediFind’s Clinical Trials tool asks you a series of questions to help you narrow down your search by health condition, age, gender, location, how far you’re willing to travel, and more. Each question you answer filters down the number of trials until you find the ones that are most relevant to you. 

    MediFind’s Latest Advances tool features summaries of recent articles published in medical journals. We use cutting-edge technology to scour medical publication databases for the latest research advancements on any given condition, then we simplify this information in a way that’s useful and easy to understand. 

    Can I filter my search to show male or female Mitochondrial Complex 3 Deficiency doctors in Brazil?

    Look for the filter feature on the left side of the Mitochondrial Complex 3 Deficiency doctor search results page. Select “Female” or “Male” under the “Gender” category to search for female or male providers exclusively. If the “Any” option is selected, it will pull results for both male and female providers. 

    Can I filter my search to find an Mitochondrial Complex 3 Deficiency doctor that offers video calls?

    Look for the filter feature on the left-side of the Mitochondrial Complex 3 Deficiency doctor search results page. Select “Offers telehealth visits” under the Availability category to search for providers who offer virtual appointments (video calls). 

    Reviewed on: 11/11/24  

    By: MediFind Medical Staff 

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