PlainMeds provides educational information only. This is not medical advice. Always consult your doctor or pharmacist.

aspirin vs valproate

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

minor Known Drug Interaction

Therefore increased monitoring of valproate and concomitant drug concentrations and dosage adjustment are indicated whenever enzyme-inducing or inhibiting drugs are introduced or withdrawn ( 7.1 ) • Aspirin, carbapenem antibiotics, estrogen-containing hormonal contraceptives: Monitoring of valproate concentrations is recommended ( 7.1 ) • Co-administration of valproate can affect the pharmacokinetics of other drugs (e.g. Drugs for which a potentially important interaction has been observed Aspirin A study involving the co-administration of aspirin at antipyretic doses (11 to 16 mg/kg) with...

Recommendation: Your doctor should check your valproate blood levels regularly and may need to adjust your dose while you are taking aspirin.

Drug Class
aspirin Antiplatelet / NSAID
valproate Anticonvulsant / Mood Stabilizer
Type
aspirin Over-the-Counter
valproate Prescription
Summary
aspirin

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

valproate

Valproate sodium injection is used when you cannot take valproate pills. It helps control seizures.

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.

valproate

This medicine treats certain types of seizures. It can be used alone or with other medicines to treat complex partial seizures. It also treats simple and complex absence seizures, and multiple seizure types that include absence seizures.

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.

valproate

Valproate affects the levels of certain chemicals in your brain. These chemicals help to control seizures. This medicine helps to reduce the frequency of seizures.

Common Side Effects
aspirin
  • Upset stomach
  • Heartburn
valproate
  • Headache
  • Dizziness
  • Nausea
  • Pain at the injection site
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
valproate
  • The medicine is interacting with another medicine 1,187
  • The baby was exposed to the medicine during pregnancy 1,043
  • Sleepiness 951
  • Seizures 813
  • Harmful effects from different substances 757
Serious Warnings
aspirin

No specific warnings noted.

valproate

Valproate can cause life-threatening liver problems, especially in the first 6 months of treatment. Children under 2 and people with mitochondrial disorders have a higher risk. Valproate can also harm an unborn baby, causing birth defects and lower IQ. It can also cause pancreatitis, which can be fatal.

Pregnancy
aspirin

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

valproate

Valproate can cause serious birth defects if taken during pregnancy. Do not take this medicine if you are pregnant or plan to become pregnant unless other medicines don't work for you. There is a pregnancy registry for women who take valproate during pregnancy; call 1-888-233-2334 to enroll.

How to Read This aspirin vs valproate Comparison

aspirin is classified in the Antiplatelet / NSAID drug class, while valproate sits within the Anticonvulsant / Mood Stabilizer 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 valproate has 4,751. 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 minor interaction flagged in FDA labeling, attributed to aspirin can interfere with how the body breaks down valproate, which may cause the levels of the seizure medicine to rise.. 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 valproate - 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.