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aspirin vs desvenlafaxine

Side-by-side comparison of aspirin and desvenlafaxine. Data from FDA drug databases (Orange Book, NDC Directory, recalls, shortages) covering 20,000+ approved drugs, plus CMS pricing; see our methodology.

moderate Known Drug Interaction

Examples NSAIDs, aspirin, and warfarin Drugs that are Primarily Metabolized by CYP2D6 Clinical Impact Concomitant use of PRISTIQ increases C max and AUC of a drug primarily metabolized by CYP2D6 which may increase the risk of toxicity of the CYP2D6 substrate drug [see Clinical Pharmacology (12.3) ] .

Recommendation: Tell your doctor if you notice any unusual bruising or bleeding while taking these medications. Your healthcare provider may need to adjust your treatment plan.

Drug Class
aspirin Antiplatelet / NSAID
desvenlafaxine Serotonin-Norepinephrine Reuptake Inhibitor (SNRI)
Type
aspirin Over-the-Counter
desvenlafaxine Prescription
Summary
aspirin

Aspirin is a common medicine used to relieve minor pain. It can also be prescribed by your doctor for other uses.

desvenlafaxine

Pristiq is a medicine used to treat depression in adults. It belongs to a class of drugs called serotonin-norepinephrine reuptake inhibitors (SNRIs).

What It Treats
aspirin

Aspirin is used to temporarily relieve minor aches and pains. However, it works slowly. It will not quickly relieve headaches or other symptoms that need immediate relief. Ask your doctor about other uses for this medicine.

desvenlafaxine

Pristiq is used to treat major depressive disorder (MDD) in adults. MDD can cause you to feel sad, lose interest in activities, and have trouble with daily life. This medicine can help improve your mood and energy levels.

How It Works
aspirin

Aspirin belongs to a class of drugs called NSAIDs and antiplatelets. It works by reducing substances in the body that cause pain and inflammation. It also helps to prevent blood clots.

desvenlafaxine

Pristiq works by affecting certain chemicals in the brain. It increases the levels of serotonin and norepinephrine. These chemicals help regulate mood and can improve symptoms of depression.

Common Side Effects
aspirin
  • Upset stomach
  • Heartburn
desvenlafaxine
  • Feeling sick to your stomach
  • Feeling dizzy
  • Trouble sleeping
  • Increased sweating
  • Constipation
FAERS Reports
aspirin
  • Tiredness 31,969
  • Shortness of breath 27,184
  • Feeling sick to your stomach 26,582
  • Loose stools 26,451
  • Feeling lightheaded 22,392
desvenlafaxine
  • Harmful effect from different substances 233
  • Feeling sick to your stomach 206
  • Death by suicide 186
  • Feeling worried or nervous 180
  • Taking too much medicine 174
Serious Warnings
aspirin

No specific warnings noted.

desvenlafaxine

Antidepressants may increase the risk of suicidal thoughts and behaviors in children, adolescents, and young adults. If you are started on Pristiq, your doctor will monitor you closely for worsening depression or suicidal thoughts. Families and caregivers should also watch for these changes.

Pregnancy
aspirin

Ask your doctor for advice if you are pregnant or breastfeeding.

desvenlafaxine

Tell your doctor if you are pregnant or plan to become pregnant. Taking Pristiq late in pregnancy may cause problems in the newborn. There is a pregnancy registry to monitor outcomes in women exposed to antidepressants during pregnancy. You can register by calling 1-844-405-6185.

Also Compare, Nearby Drugs

How to Read This aspirin vs desvenlafaxine Comparison

aspirin is classified in the Antiplatelet / NSAID drug class, while desvenlafaxine sits within the Serotonin-Norepinephrine Reuptake Inhibitor (SNRI) class. Drugs from different classes work through distinct mechanisms, so a head-to-head comparison illustrates trade-offs rather than equivalence. Both drugs are split between OTC and prescription status, which affects access and supervision.

Adverse event totals above are pulled from the FDA's Adverse Event Reporting System (FAERS). For these top-ranked reactions alone, aspirin has 134,578 submissions while desvenlafaxine has 979. Those figures reflect cumulative reporting volume, not per-patient risk, so older, widely dispensed drugs typically look worse on count alone. These two drugs have a known moderate interaction flagged in FDA labeling, attributed to taking these two drugs together can increase the risk of bleeding. this happens because both medications can interfere with how your blood cells stick together to form clots.. Serious warnings, pregnancy guidance, and contraindications can differ even when indications overlap.

A table cannot substitute for clinical judgment. Effectiveness, tolerability, drug-drug interactions with your other medications, kidney and liver function, pregnancy status, insurance formulary, and price all feed into a decision that only a licensed prescriber can make responsibly. Data here is sourced from FDA Structured Product Labels (SPL) and FAERS, both of which update as manufacturers and clinicians submit new information. This page is for educational purposes only, is not medical advice, and should not be used to self-switch between aspirin and desvenlafaxine - always consult your physician or pharmacist first.

Important: This comparison is for informational purposes only. Drug effects vary between individuals. Always consult your doctor or pharmacist for personalized medical advice.