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CMV (Cytomegalovirus)
At GastroDoxs in Houston, Dr. Scott offers specialized care for cytomegalovirus (CMV), a common herpes-family virus that's typically harmless in healthy individuals but can threaten immunocompromised patients and pregnant women. He provides expert diagnosis, personalized treatment plans, and ongoing support.
Dr. Scott Liu, MD, is a board-certified gastroenterologist with over six years of experience and a background in military medicine. He earned his medical degree from the University of Maryland, Baltimore, completed his Internal Medicine residency at Naval Medical Center Portsmouth, and finished his Gastroenterology fellowship through the National Capital Consortium. Dr. Liu provides comprehensive care for a broad range of digestive conditions, including abdominal pain, acid reflux, liver disease, chronic diarrhea, and colon cancer screening. He is a member of the American College of Gastroenterology and is known for his disciplined, patient-focused approach and clear communication.
Common Causes and Risk Factors
Close contact with saliva, urine, blood, or other body fluids
Weakened immune system (HIV infection, cancer chemotherapy, organ transplant)
Primary CMV infection during pregnancy
Frequent exposure in group settings (daycares, hospitals, long-term care facilities)
Signs and Symptoms
Fever
Fatigue or general weakness
Muscle aches
Swollen lymph nodes
Headache or sore throat
Severe organ involvement (eye inflammation, hepatitis, gastrointestinal issues) in immunocompromised patients or newborns
How Dr. Scott Diagnoses This Condition?
Dr. Scott uses a step-by-step approach:
Medical History and Exam
He reviews your symptom onset, character of epigastric pain, associated nausea or vomiting, immune status and CMV exposure risks, then performs a focused abdominal exam.
Blood Tests
We check CMV serologies (IgM, IgG) and CMV DNA PCR to confirm active infection, plus routine labs (CBC, liver panel, amylase/lipase) to rule out other causes of epigastric pain.
Imaging Studies
Abdominal ultrasound to assess liver, gallbladder and pancreas for inflammation or obstruction.
CT scan of the abdomen when more detailed evaluation of gastrointestinal tract or surrounding structures is needed.
Upper endoscopy to visualize gastric and duodenal mucosa if CMV gastritis is suspected.
Advanced Testing (if needed)
A targeted biopsy of gastric or duodenal tissue may be obtained to demonstrate CMV inclusion bodies on histology or immunohistochemistry, especially in immunocompromised patients.
Treatment
Our Team offers a full range of care for CMV infection.
1. Lifestyle and Diet Modifications
Rest as much as needed to support your immune system
Drink plenty of fluids to stay hydrated
Eat a balanced diet with fruits, vegetables, and lean protein
Avoid alcohol and tobacco to reduce additional stress on your body
Practice good hygiene to limit virus spread (hand-washing, avoiding sharing utensils)
2. Medications
Antiviral drugs such as ganciclovir or valganciclovir to slow CMV replication
Supportive care including pain and fever relievers as needed
Dosages and duration tailored to your age, kidney function, and symptom severity
3. Minimally Invasive or Advanced Procedures
Endoscopy or biopsy for digestive tract evaluation if GI symptoms are present
Specialized eye exam for CMV-related vision changes
Liver imaging and enzyme testing when liver involvement is suspected
Dr. Scott Liu, MD, is a board-certified gastroenterologist with over six years of experience and a background in military medicine. He earned his medical degree from the University of Maryland, Baltimore, completed his Internal Medicine residency at Naval Medical Center Portsmouth, and finished his Gastroenterology fellowship through the National Capital Consortium. Dr. Liu provides comprehensive care for a broad range of digestive conditions, including abdominal pain, acid reflux, liver disease, chronic diarrhea, and colon cancer screening. He is a member of the American College of Gastroenterology and is known for his disciplined, patient-focused approach and clear communication.
Frequently Asked Questions
How is CMV diagnosed?
With a blood test to check for CMV antibodies (IgM, IgG, or total) or viral DNA.
What are the main symptoms of CMV?
Common signs include fever, fatigue, muscle aches, swollen glands, headache, or sore throat. In severe cases, it can affect the eyes, liver, or gastrointestinal tract.
Will CMV go away on its own?
In healthy individuals, CMV often resolves without treatment. Those with weakened immunity may require antiviral medication.
Is CMV still contagious after symptoms stop?
Yes. CMV can remain in body fluids for months, so practicing good hygiene is important to reduce transmission.
Can I return to work or school with CMV?
Yes. You may resume normal activities once you feel better and your fever has subsided.
Does CMV affect pregnancy?
A primary CMV infection during pregnancy can harm the baby. Early testing and specialized care are essential.
Where can I learn more about CMV?
For detailed information, visit the CDC website: https://www.cdc.gov/cmv
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