That warning is serious, but it doesn’t necessarily mean the tablets are unsafe for everyone.
Many medications carry warnings about rare but potentially dangerous side effects. The actual risk depends on factors such as:
- What medication it is
- The dose
- Your age
- Whether you smoke
- Personal or family history of blood clots, stroke, or heart disease
- Other medical conditions and medications
If you’re looking at a package that says “can cause blood clots, thrombosis, or heart attacks,” don’t panic, but do take the warning seriously and follow the prescribing information.
If you tell me:
- The name of the tablet (or upload a photo of the package), and
- Whether you’re asking for yourself or just curious,
I can explain what the warning means and how significant the risk usually is.

