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Am Fam Physician. 2022;106(3):246

How long should patients with provoked venous thromboembolism be treated with anticoagulation therapy?

Patients with venous thromboembolism due to a transient risk factor (provoked) can stop anticoagulation after three months of treatment.

When is iron chelation therapy recommended in patients with thalassemia?

Iron chelation therapy corrects iron overload caused by hemolytic anemia, increased intestinal iron absorption, and repeated transfusions. It is recommended in transfusion-dependent thalassemia when ferritin levels exceed 1,000 ng per mL (1,000 mcg per L) and non–transfusion-dependent thalassemia when ferritin levels exceed 800 ng per mL (800 mcg per L).

When should nonpregnant people be retested after treatment for chlamydia or gonorrhea?

Nonpregnant people treated for chlamydial or gonococcal infections should be tested for reinfection three months after treatment.

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