SESKStuff Everyone Should Know
SESK: Stuff Everyone Should Know · sesk.info/trav-dvt-aspirin

Does CDC recommend taking aspirin to prevent blood clots on a trip?

No, CDC does not recommend it.

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  1. Yes, one before every flight
  2. No, it is not recommended ✔
  3. Only on flights over 8 hours

Why: CDC says aspirin to prevent travel clots is not recommended. If you take it for another reason, check with your doctor. Moving and calf exercises are the simple steps.

Huh, didn't know that: People with extra risk factors can ask a doctor about compression stockings.

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References

Answer: No, it is not recommended. CDC says aspirin to prevent travel clots is not recommended. If you take it for another reason, check with your doctor. Moving and calf exercises are the simple steps.

  1. CDC Travelers' Health: Blood Clots and Travel wwwnc.cdc.gov/travel/page/dvt
    Taking aspirin to prevent blood clots when traveling is not recommended
    Checked 2026-10-10.

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