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SpecialtiesDoctors may have more than one area of specialty interest. Board certification in a specialty area means the doctor has completed formal training and has practice experience in that specialty, and has passed the certification examination from the corresponding accredited medical specialty board.
Doctors may have more than one area of specialty interest. Board certification in a specialty area means the doctor has completed formal training and has practice experience in that specialty, and has passed the certification examination from the corresponding accredited medical specialty board.
Infectious Disease
Languages spoken
English
Doctor Q&A
22 Answers
3 Agrees
The number of answers this doctor has agreed with.
A male asked:

Dr. David Reynosoanswered
10 years experience
Maybe: it means you are not allergic to ceftriaxone (rocephin), which is in a similar drug class with penicillins (beta-lactams).
790 viewsAnswered >2 years ago
A member asked:

Dr. David Reynosoanswered
10 years experience
Infection?: What you are describing sounds like an inflamed epitrochlear lymph node, which can be a sign of infection. I would recommend seeing your physician for... Read More
789 viewsAnswered >2 years ago
A 18-year-old female asked:

Dr. David Reynosoanswered
10 years experience
Chronic cough: A chronic cough requires evaluation for things such as esophageal reflux, post nasal drip, chronic allergies, sinusitis, asthma, and of course tubercu... Read More
791 viewsAnswered >2 years ago
A 29-year-old female asked:

Dr. David Reynosoanswered
10 years experience
Spread to kidney?: I always worry about a kidney infection in a patient whom I have a treat for urinary tract infection. If you have high fever, nausea, vomiting, or fla... Read More
791 viewsAnswered >2 years ago
A 30-year-old female asked:

Dr. David Reynosoanswered
10 years experience
Maybe: If the infection is superficial, urinary, or not severe, then the dose is probably inconsequential. If it is a throat or lower respiratory infection, ... Read More
789 viewsAnswered >2 years ago
A 55-year-old female asked:

Dr. David Reynosoanswered
10 years experience
Small red cells: it can mean almost anything. If you are Asian it may be a relatively-benign familial trend called thalassemia. If you are a young female it may be due... Read More
791 viewsAnswered >2 years ago
A 19-year-old female asked:

Dr. David Reynosoanswered
10 years experience
Viral illness 3-7d: this can vary depending on your immune status, but generally most viral illnesses results in 3 to 7 days. Seek medical attention if you have intractab... Read More
790 viewsAnswered >2 years ago
A 30-year-old female asked:

Dr. David Reynosoanswered
10 years experience
Pretty normal: There are hundreds of viruses that can cause colds and "flu-like illnesses." Make sure you wash hands well, keep away from people with symptoms, and s... Read More
789 viewsReviewed >2 years ago
A 39-year-old female asked:

Dr. David Reynosoanswered
10 years experience
Lab unrelated: This laboratory value (alk phosph) is unrelated to most causes of diarrhea. The exception would be a non-tuberculous mycobacteria known as mycobacteri... Read More
791 viewsAnswered >2 years ago
A 23-year-old female asked:

Dr. David Reynosoanswered
10 years experience
It can: Pregnancy can depress your immune system and allow zoster to resurface. Look out for eye pain, redness, changes in vision, or rash / vesicles. That sa... Read More
789 viewsAnswered >2 years ago
A female asked:

Dr. David Reynosoanswered
10 years experience
Yes: the result of the test is only related to your body's previous exposure to tb, and is not affected by alcohol
790 viewsAnswered >2 years ago
A 22-year-old male asked:

Dr. David Reynosoanswered
10 years experience
1-2 weeks from sex: 1-2 weeks from unprotected sex would be consistent with the incubation time for chlamydia and gonorrhea. But don't wait if you're having symptoms of b... Read More
789 viewsAnswered >2 years ago
A 22-year-old female asked:

Dr. David Reynosoanswered
10 years experience
Stay hydrated: most diarrheal illness is viral, or self limited over 3 to 5 days. Stay hydrated. If you have fever, blood in stool, or intractable vomiting, seek ant... Read More
791 viewsAnswered >2 years ago
A female asked:

Dr. David Reynosoanswered
10 years experience
Amoxicillin allergy?: first line therapy for streptococcus pharyngitis is a penicillin, such as amoxicillin. Anything else and one is always left wondering if the alternati... Read More
791 viewsAnswered >2 years ago
A female asked:

Dr. David Reynosoanswered
10 years experience
Symptoms not related: unless you used a dirty needle, those symptoms should be unrelated to injection of cyanocobalamin (b12). if you have redness, swelling, or tenderness ... Read More
791 viewsReviewed >2 years ago
A 28-year-old male asked:

Dr. David Reynosoanswered
10 years experience
Constipation remedy: There is no one size fits all constipation remedy, but pts your age usually have constipation due to lack of fiber in the diet, low water intake, exce... Read More
789 viewsAnswered >2 years ago
A 21-year-old male asked:

Dr. David Reynosoanswered
10 years experience
Not fact-based: acid suppressors will rarely put you at risk for C difficile diarrhea, but sepsis is very, very unlikely
791 viewsAnswered >2 years ago
A member asked:

Dr. David Reynosoanswered
10 years experience
Apparent worsening: it can happen up to a couple of weeks after starting therapy for active tuberculosis, with some worsening fever, chills, cough or chest pain, dependin... Read More
790 viewsAnswered >2 years ago
A 41-year-old male asked:

Dr. David Reynosoanswered
10 years experience
Go see PCP: Your symptoms of pain, swelling, tenderness, and decreased range of motion are suggestive of inflammation. It can be as benign as a tendinitis if you ... Read More
790 viewsReviewed >2 years ago
A 98-year-old female asked:

Dr. David Reynosoanswered
10 years experience
Treat symptoms: Use tylenol for fever, headache or body aches.
Use a netti pot or nasal rinses with water or saline for congestion.
Use non-prescription antihistamine... Read More
789 viewsAnswered >2 years ago
A 31-year-old male asked:

Dr. David Reynosoanswered
10 years experience
Furunculosis?: If you shave, or otherwise traumatize your skin, the most likely cause is introduction of skin bacteria and purulent cellulitis caused by staphylococc... Read More
791 viewsReviewed >2 years ago
A 20-year-old male asked:

Dr. David Reynosoanswered
10 years experience
Exclude syphilis: secondary, or latent, syphilis must be ruled out in the evaluation of painless lymphadenopathy
791 viewsAnswered >2 years ago
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TestimonialsRecommendations and Thank you notes are endorsements given from patients or other doctors.
Recommendations and Thank you notes are endorsements given from patients or other doctors.
12
Thank you notes
HealthTap member
This was very helpful. Thanks! Many thanks Dr Reynoso...
HealthTap member
Your answer made me feel good! Thanks :)
HealthTap member
Your answer was very helpful! Thanks :)
Education & Training
Medical/Graduate school
University of Texas Medical School at Houston, TX
Graduated 2012MD
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