Yes—some tablets can increase the risk of blood clots, heart attack, or stroke, but it depends entirely on the medicine. For example, the FDA has issued warnings about certain JAK-inhibitor medicines, while some NSAID painkillers can also increase cardiovascular clotting risk. U.S. Food and Drug Administration+1
If you are referring to a specific tablet, tell me its name and strength (or send a photo of the package). I can check:
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whether it carries a blood-clot/heart-attack warning,
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how significant the risk is,
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who is at higher risk, and
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whether it should be stopped or discussed with a doctor.
Do not suddenly stop a prescribed medicine without medical advice, because some medicines—including certain antiplatelet drugs—can themselves be important for preventing clots and heart attacks. MedlinePlus
If you currently have chest pressure/pain, severe shortness of breath, coughing blood, fainting, or sudden weakness/slurred speech, seek emergency medical care immediately. cdc.gov
