This medication is given by injection into a vein or under the skin (subcutaneously) as directed by your doctor. Do not inject this medication into a muscle. Dosage is based on your medical condition, weight, and response to treatment.
Heparin comes in many strengths. Serious (sometimes fatal) errors have occurred when the wrong strength was used. Check that you are using the correct strength and dose before injecting this medication.
If you are giving this medication to yourself at home, learn all preparation and usage instructions from your health care professional. Before using, check this product visually for particles or discoloration. If either is present, do not use the liquid. Learn how to store and discard medical supplies safely.
For products given under the skin, clean the injection site with rubbing alcohol before injecting each dose. It is important to change the location of the injection site daily to avoid problem areas under the skin.
Use this medication regularly in order to get the most benefit from it. To help you remember, use it at the same times each day. It is important to continue using this medication even if you feel well. Do not suddenly stop taking this medication without consulting your doctor.
Your doctor may direct you to switch to an anticoagulant taken by mouth (e.g., warfarin). Use this medication and any new medication exactly as directed by your doctor.
Tell your doctor if your condition persists or worsens.