Which two anticoagulants are commonly used and what major adverse effect should be monitored?

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Multiple Choice

Which two anticoagulants are commonly used and what major adverse effect should be monitored?

Anticoagulants work by reducing the blood’s ability to form clots, which helps prevent and treat conditions like deep vein thrombosis or atrial fibrillation–related clots. The major adverse effect to monitor is bleeding, which can range from minor to life-threatening. Watch for signs such as unusual bruising, prolonged or nose/gum bleeding, blood in urine or stool, or bleeding that lasts longer than expected after an injury. Among commonly used anticoagulants are Warfarin and the Direct Oral Anticoagulants (DOACs) like apixaban and rivaroxaban. Warfarin requires regular monitoring with the INR to keep the blood’s tendency to clot in the therapeutic range. DOACs usually don’t need routine lab monitoring, but you still assess bleeding risk and kidney function, since DOACs are partly cleared by the kidneys and dosing can be affected by renal impairment. Education to patients and caregivers should emphasize recognizing bleeding signs, avoiding unnecessary NSAIDs or other drugs that increase bleeding risk, and staying aware of potential drug interactions. The other medication groups listed are not anticoagulants, so their common adverse effects differ (for example, rashes with some antibiotics, hypoglycemia with insulin/metformin, or muscle pain with statins).

Anticoagulants work by reducing the blood’s ability to form clots, which helps prevent and treat conditions like deep vein thrombosis or atrial fibrillation–related clots. The major adverse effect to monitor is bleeding, which can range from minor to life-threatening. Watch for signs such as unusual bruising, prolonged or nose/gum bleeding, blood in urine or stool, or bleeding that lasts longer than expected after an injury.

Among commonly used anticoagulants are Warfarin and the Direct Oral Anticoagulants (DOACs) like apixaban and rivaroxaban. Warfarin requires regular monitoring with the INR to keep the blood’s tendency to clot in the therapeutic range. DOACs usually don’t need routine lab monitoring, but you still assess bleeding risk and kidney function, since DOACs are partly cleared by the kidneys and dosing can be affected by renal impairment. Education to patients and caregivers should emphasize recognizing bleeding signs, avoiding unnecessary NSAIDs or other drugs that increase bleeding risk, and staying aware of potential drug interactions.

The other medication groups listed are not anticoagulants, so their common adverse effects differ (for example, rashes with some antibiotics, hypoglycemia with insulin/metformin, or muscle pain with statins).

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