The side effects of heparin mainly include bleeding, thrombocytopenia and other side effects.
1. Bleeding: it is the main adverse reaction, which is often manifested as various mucous membrane bleeding, blood accumulation in joint cavity and wound bleeding.
2. Thrombocytopenia: often caused by transient platelet aggregation induced by heparin, which usually occurs 7~8 days after administration of the drug and may be related to immune response.
3. Others: Occasionally, allergic reactions such as asthma, urticaria, conjunctivitis and fever can be seen. Long-term application may cause osteoporosis and fractures. In pregnant women, it may cause preterm labor and stillbirth.
It should be contraindicated for those who are allergic to heparin, have bleeding tendency, purpura, pregnant women, postpartum, hepatic and renal insufficiency. If there is any discomfort, it is recommended to consult a doctor in time for diagnosis and treatment. The use of drugs needs to be under the guidance of a physician.