HealthTap Online Primary Care Doctors Accepting New Patients
Book a video visit
HealthTap
Telehealth
A member asked:

When testing for antiphospolipid antibody syndrome, does taking baby aspirin affect the lupus anticoagulant (ptt-la, drvvt) test results?

A doctor has provided 1 answer

It should not: The aspirin inhibits platelets not other parts of the clotting cascade.

Answered 7/15/2015

2.6k views

Thank

Related Questions

A member asked:

Lupus Anticoagulant Screen w/ Ref. Is it normal for the results to change in a few months? Prolonged screen in October. Now prolonged screen AND DRVVT 1:1 confirmation positive. The mix was corrected. What factors could be deficient-V? X? Thanks?

A doctor has provided 1 answer

A member asked:

Lupus Anticoagulant Screen w/ Reflex. Is it normal for the results to change/worsen in 5 months? First time in October the DRVVT confirmation was negative. 5 months later it was positive. Both times had a high DRVVT screen. Why would results change?

A doctor has provided 1 answer

A member asked:

Positif ANA IF, Anti-B2 glicoprotein igM, anti-CMV igG, Lupus Anticoagulants, history of DVT. Dr suspect Antiphospholipid Syndrome (APS). Possible?

A doctor has provided 1 answer

A member asked:

How to treat a GI bleeding patient who is on lifelong warfarin and aspirin therapy for Antiphospholipid syndrome and AFib (notes : patient also allergic/anaphylactic to vit K). Is discontinuing the anticoagulant wise enough in this situation?

3 doctors weighed in across 2 answers

A member asked:

My PCP ordered a Lupus screen. Lupus anticoagulant screen was 31. DRVVT was 47(standard range under 45). DRVVT 1:1 Negative. What does this mean? Is it concerning that my DRVVT was high? I will talk to my dr. I have 4 other autoimmune dis?

2 doctors weighed in across 2 answers

People also searched for:

I have been having recurrent miscarriages.I tested weakly positive for lupus anticoagulant. Can I have a successful pregnancy on baby aspirin?
Mom had breast biopsy yesterday and has Lupus anticoagulant. Should she stay off baby aspirin for three days, or is she at risk of clotting? Advice?
I don't have issue with lupus anticoagulants. Does it make sense to still take aspirin when trying to conceive? Mad miscarriage before.
Lupus anticoagulant Eval. The ref range is <45sec. Does the result matter if its over 45? For example, is a result of 51 more indicative of an issue than 46? If the LA screen and DRVVT screen is high and confirm is - what factors should be checked?
Had Lupus Anticoagulant Eval w/reflex done twice in 3 months. 1st DRVVT screen high. 2nd screen high, confirmation positive, mix corrected. What factor deficiency can cause these results? How would you interpret these results-weak LA or factor def?

Telemedicine

Primary Care
Manage Your Conditions
Women's Health
Children's Health
Men's Health
Senior Health
Wellness, Prevention & Lifestyle
Sexual Health
Mental & Behavioral Health
Travel Medicine
Urgent Care
Ask your question
Didn't find what you're looking for?

90,000 U.S. doctors in 147 specialties are here to answer your questions or offer you advice, prescriptions, and more.

Ask your question

More of what we treat

Allergies
Antibiotics
Asthma
High Blood Pressure
Prescriptions
Type 2 Diabetes
Content on HealthTap (including answers) should not be used for medical advice, diagnosis, or treatment, and interactions on HealthTap do not create a doctor-patient relationship. Never disregard or delay professional medical advice in person because of anything on HealthTap. Call your doctor or 911 if you think you may have a medical emergency.
HealthTap
HIPAA logo
HIPAASecure
Soc 2 Type 2 logo
SOC 2 Type 2Certified
JCAHO Accredited
JCAHOAccredited
Member App

Download HealthTap

Video visit and message your doctor

Member App QR Code
Play Store Member LinkApp Store Member Link

Questions?

+1 (888) 828-0841support@healthtap.com
LinkedInTwitter
HomeTermsPrivacyCookiesDMCAHealth TopicsDoctors DirectoryDoctor Q&A by Specialty
Copyright 2026 HealthTap, Inc.