In this article, you’ll understand when to go to an Infectious Diseaseswhich diseases he treats and how his monitoring is essential for those with inflammation of the intestine.

At NuDii – Núcleo de Doenças Inflamatórias Intestinais do Instituto Medicina em Foco, you will find the Dr. Celso Mendanha, o better specialist in Infectology e Immunologyfor a personalized assessment online or in person at Rua Frei Caneca, 1380, térreo, Consolação – São Paulo (CEP 01307-000).

Where can I find an infectious disease specialist near me? Click here to book your appointment now and guarantee safe treatment!

What is an infectologist?

If you’re wondering: What is an infectologist?? The Infectologist in São Paulo is a doctor who specializes in the diagnosis, treatment and prevention of infectious diseases. They treat everything from common infections to complex cases, such as patients with low immunity.

For those with Inflammatory Bowel Disease (IBD), the best Infectious Diseases in SP, Dr. Celso Mendanhahelps prevent complications caused by viruses, bacteria and fungi, ensuring more effective treatment.

What diseases Infectious Diseases treat?

O Infectious Diseases doctor in São Paulo specializes in the diagnosis and treatment of various infectious conditions, including:

Bacterial infections (tuberculosispneumonia, intestinal infections).
Viral diseases (HIV, hepatitis B and C, dengue, COVID-19).
Fungal infections (candidiasis, aspergillosis).
Parasitosis (amoebiasis, giardiasis, toxoplasmosis).
Infections in immunosuppressed patients immunosuppressed (post-transplant, IBD, cancer).
Sexually transmitted diseases (STDs) (syphilis, HPV, herpes).
Hospital infections (antibiotic resistance).
Arboviruses and tropical diseases (malaria, yellow fever, Zika).

Need an Infectious Diseases specialist in São Paulo? Schedule your appointment at Instituto Medicina em Foco and meet the best specialists in NuDii.

Role of Infectious Diseases in the use of immunosuppressants for IBD

O Infectious Diseases is essential before starting immunosuppressants or biologicals, assessing risks and preventing infections. Dr. Celso asks specific and monitors the body’s response, ensuring that the treatment is effective and safe.

Before starting immunosuppressants, the Infectious Diseases in SP checks for active or latent infections, such as tuberculosis e hepatitis, and also assesses the vaccines needed to supplement protection for patients on immunosuppression.

These measures improve protection, reduce complications and ensure that the patient is in optimal condition for the treatment of inflammation in the intestine.

Necessary tests before biological treatments

Serology for hepatitis B and C (HBsAg, anti-HBc, anti-HBs, anti-HCV).
HIV testing HIV (ELISA and/or rapid test).
Chest X-ray to screen for tuberculosis tuberculosis.
Tuberculin test (PPD) or IGRA (Quantiferon) for tuberculosis latent.
Complete blood count with lymphocyte count.
Liver function (TGO, TGP, bilirubin).
Kidney function (urea, creatinine).
Serology for Epstein barr virus (anti-viral capsid antibody – VCA or IgG and IgM mononucleosis antibodies).
Testing for Strongyloides stercoralis (in patients from endemic areas).
Pregnancy test for women of childbearing age.

Do you need to take these tests in São Paulo? Instituto Medicina em Foco offers all the support you need for safe biological treatment!

When to see an infectologist during the treatment of Crohn’s Disease?

Patients being treated for Crohn’s disease who use immunosuppressants or biological medicines should consult an Infectious Diseases specialist in São Paulo before starting immunosuppressive therapy and when signs of infection, such as persistent fever or abscesses.

Often, a referral to an Infectious Diseases comes from the Gastroenterologist or Coloproctologist to analyze an infectious process.

When there are symptoms that may suggest infection, it is important to follow up with an Infectious Diseases to avoid aggravation. Preventive follow-up is also crucial before starting immunosuppressive therapies. It is also important to check vaccinations and supplement those indicated for immunosuppressed patients.

O Infectious Diseases doctor in São Paulo acts to prevent and treat opportunistic infections, which are common in patients with compromised immunity. In SPwhere there is access to specialized centers, this monitoring ensures greater safety in the treatment of Inflammatory Bowel Disease. Regular help monitor risks such as tuberculosis tuberculosis and viral hepatitis.

Signs of infection in Crohn’s patients

Patients with Crohn’s Disease taking immunosuppressants should be aware of these warning signs or these situations that require evaluation by an Infectious Diseases specialist in São Paulo:

Persistent fever (above 38°C for more than 2 days).
Abscesses or fistulas in the anal/intestinal region.
Extreme weakness and unintentional weight loss.
Prolonged cough (may indicate tuberculosis or pneumonia).
Wounds or lesions that don’t heal.
Frequent chills and night sweats.
Recurrent or opportunistic infections – candidiasis, recurrent pneumonia, herpes zoster.
Co-infection with hepatitis B or hepatitis C.
Clostridioides difficile infection.
Prolonged use of antibiotics or frequent hospitalizations.
Planning a trip to endemic areas.

Infectologist treats what in immunosuppressed immunosuppressed?

O Infectious Diseases doctor in São Paulo plays an essential role in the care of immunosuppressed patients, especially in cases of Crohn’s disease, Retocolitis Ulcerative and other conditions requiring immunosuppressive therapy. Its main actions include:

Prevention and treatment of opportunistic infections (such as candidiasis, cytomegalovirus and pneumocystosis).
Screening and management of tuberculosis before and during biological therapy.
Monitoring viral viral hepatitis (especially hepatitis B reactivation).
Risk assessment for invasive fungal infections (aspergillosis, histoplasmosis).
Guidance on the specific vaccination schedule for immunosuppressed.
Management of recurrent bacterial infections (such as pyelonephritis and pneumonia).
Prevention of complications from HIV in HIV-positive patients.
Adjusting prophylactic antimicrobial regimens during intense immunosuppression.

Immunosuppressed people need specialized care! Make an appointment with an Infectious Diseases specialist in São Paulo at Instituto Medicina em Foco.

Follow-up for patients with Ulcerative Ulcerative

Patients with Ulcerative Ulcerative on immunosuppressive treatment need regular follow-up with an Infectologist in São Paulo to prevent infectious complications. The specialist assesses individual risks, taking into account factors such as the use of corticosteroids, biologicals and a history of previous infections.

This monitoring is crucial for the early identification of conditions such as tuberculosis latent hepatitis or opportunistic infections. Multidisciplinary monitoring ensures greater safety in the control of Inflammatory Bowel Disease.

O Infectious Diseases also also in a preventive manner, indicating specific vaccination regimens and appropriate prophylaxis for each case. Continuous care significantly reduces the risk of hospitalization due to infectious complications.

Integrated management between the best Gastroenterologists and Infectious Diseases offer the best for disease control.

Risk of infections in Retocolitis

Bacterial intestinal infections (Clostridioides difficile, Salmonella).
Reactivation of hepatitis B in chronic carriers.
Cytomegalovirus (CMV) infections in the inflamed colon.
Bacterial and fungal pneumonia.
Skin and surgical wound infections.
Perianal abscesses and septic complications.
Recurrent urinary infections.
Systemic and mucocutaneous candidiasis.
Tuberculosis (mainly in patients with a positive test test).
Opportunistic infections in cases of profound immunosuppression.

How Infectious Diseases prevent HIV, Hepatitis and pneumonia in IBD?

The doctor recommends vaccinations (such as hepatitis B and pneumonia) and regular check-ups to prevent infections. Patients on immunosuppressive treatment should have a personalized prevention plan.

Vaccination and prophylaxis

Patients with Inflammatory Bowel Diseases undergoing immunosuppressive treatment need special prevention regimens:

Vaccines which should be carried out in patients taking immunosuppressants and biologicals:

Hepatitis B (3 doses) with vaccine response check.
Hepatitis A.
Influenza (annual).
Pneumococcal (13-valent e 23-valent).
COVID-19 (complete scheme + reinforcements).
HPV in men and women.
New Herpes zoster vaccine (Shingrix).

Live attenuated virus vaccines – should be given before immunosuppression, on average 4 weeks before (they are contraindicated during the use of immunosuppressive medication):

Yellow fever (individual assessment).
MMR (measles, mumps, rubella).
Chickenpox.
Old vaccine Herpes zoster (Zostavax vaccine).
Dengue fever.

Essential drug prophylaxis:

Isoniazid, Rifampicin or Rifapentine associated with Isoniazid for tuberculosis tuberculosis (when indicated).
Prophylactic antifungals (in selected cases).
Sulfamethoxazole-trimethoprim (Bactrim) for pneumocystosis prophylaxis in selected cases.

Special care:

Check vaccination and serology cards periodically.
Safe interval between live vaccines and the start of immunosuppression.
Monitor post-vaccination immune response when indicated.

Patient education

O Infectologist in São Paulo advises on hygiene, nutrition and care to reduce the risk of infection. Well-informed patients have fewer complications and better quality of life.

Want to protect yourself? Make an appointment with an infectologist today!

Why schedule an appointment with an Infectologist in São Paulo?

Follow-up with an Infectologist in São Paulo is online or in person is essential for patients with chronic diseases and those on immunosuppressants, ensuring prevention, early diagnosis and appropriate treatment of infections.

In NuDiithe hub of Medicina em Foco, you will find specialists experienced in the management of complex conditions such as Crohn’s disease e Ulcerative Ulcerative Retocolitis, with an individualized approach based on scientific evidence.

Our clinic offers a complete structure for diagnosis and treatment, including specialized tests and the best integrated multidisciplinary care with the best Gastroenterologists and Nutritionists.

With up-to-date protocols and a focus on patient safety, the Medicine in Focus is the right choice for those seeking the best Infectious Diseases in SÃO PAULO. Our team is prepared to offer everything from pre-therapeutic assessments to the management of opportunistic infections, always with humanization and technical quality.

Schedule your appointment

Get in touch:

Telephone: +55 (11) 3289-3195.

WhatsApp: Click here.

Confirmation:

Choose the best time and confirm your appointment by phone or WhatsApp.

Address: Rua Frei Caneca, 1380, térreo, Consolação – São Paulo (CEP 01307-000).

Opening hours: Monday to Friday, 8 a.m. to 9 p.m.

For more information, follow Instituto Medicina em Foco on social media:

Content updated in 2025.

FAQ – Frequently asked questions about Better Infectologist in São Paulo for IBD

1. When to see an Infectious Diseases specialist in São Paulo during the treatment of Crohn’s Disease?

If you have fever or other signs of infection, consult an Infectious Diseases in SP to avoid complications. Generally, the patient will be advised by their doctor Gastroenterologist or Proctologist to seek evaluation with an Infectious Diseases.

2. What does an infectious disease specialist treat in immunosuppressed patients with inflammation of the intestine?

It helps ensure greater safety in the use of biological medications and immunosuppressants. Evaluates and treats infections such as tuberculosis, hepatitis and pneumonia, which are common in those who use immunosuppressants.

3. What is the role of the Infectious Diseases doctor in caring for those using immunosuppressants for IBD?

It assesses risks, orders tests and monitors infections, ensuring safe treatment.

4. Can an infectious disease specialist near me monitor patients at risk of latent tuberculosis?

Yes, the best Infectious Diseases specialist in São Paulo performs tests, monitors cases of tuberculosis latentindicating the best treatment in these situations.

5. What tests does an Infectious Diseases specialist in São Paulo order before using biological drugs?

Testing for HIV, hepatitis, tuberculosis and a chest X-ray are essential.

6. What is an infectious disease specialist and how does he help prevent opportunistic infections in immunosuppressed patients?

A specialist in infections, he recommends vaccinations and tests to avoid complications.

7. Do patients with Ulcerative Colitis need to be followed up by an infectologist?

Yes, because intestinal inflammation increases the risk of bacterial and viral infections.

8. How does the Infectious Diseases specialist work to prevent HIV, hepatitis and pneumonia in people with IBD?

With vaccinations, regular check-ups and guidance on safe habits.

9. Is consultation with an infectious disease specialist necessary before starting immunomodulators in IBD?

Yes, to assess risks and prevent serious reactions.

10. Does an infectious disease specialist monitor patients with chronic inflammatory diseases?

Yes, it monitors infections and adjusts treatments for greater safety.

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