Tag: Heparin allergy

While true heparin allergies are rare, the immune-mediated condition Heparin-Induced Thrombocytopenia (HIT) occurs in up to 5% of patients exposed to heparin, posing a significant risk of thrombosis [1.2.4]. Understanding **what happens when you are allergic to heparin** is crucial for patient safety.

According to medical reports, a frequently reported adverse reaction to subcutaneous heparin injections is an itchy, inflammatory skin reaction known as delayed-type hypersensitivity. This can manifest as a mild annoyance or indicate a more serious issue, so it is crucial to understand whether **can heparin cause itching**.