Neoparin NX 40mg Injection is an anticoagulant utilized to prevent and treat harmful blood clots. It stops the existing clots from getting any bigger and restricts the formation of any new clot. It is also helpful in the prevention of blood clots in veins, a condition called deep vein thrombosis, and pulmonary embolism. Neoparin NX 40mg Injection is injected under the skin by a doctor or nurse. It should not be injected into a muscle. The dose and length of treatment are based on your medical condition, your response to the medication, and what you are being treated for. It may also be based on your age and weight. It is important to keep using this medication even if you do not notice any symptoms because it is preventing future harm. If you stop taking it, you could get a blood clot. While taking this medication you should avoid doing things that increase your risk of bleeding or injury. The most common side effect of this medication include bleeding, headache, increased blood platelets, and increased liver enzymes. A severe headache could be a sign of bleeding in the brain. A severe stomach ache could be a sign of bleeding in the stomach. Bleeding can be dangerous and may not be obvious. Look out for symptoms and tell your doctor if you are worried.