Fragmin (dalteparin) is an injectable medication used to treat and prevent blood clots. It needs to be injected every day and comes in prefilled syringes for convenient home injections.
Blood clot prevention after abdominal surgery, after hip or knee replacement surgery, or when you are very sick and bedridden
Prevention of complications in people with unstable angina or NSTEMI (a type of heart attack)
Extended treatment of symptomatic blood clots to prevent future blood clots in people with cancer
Treatment of symptomatic blood cots in children age 1 month or older
Fragmin (dalteparin) is an anticoagulant, which are often called blood thinners. As a low molecular weight heparin (LMWH), it prevents blood clots by blocking the activity of certain blood-clotting proteins.
Source: FDA
Along with its needed effects, a medicine may cause some unwanted effects. Although not all of these side effects may occur, if they do occur they may need medical attention.
Check with your doctor immediately if any of the following side effects occur:
Less common
Bleeding of the gums
coughing up blood
difficulty with breathing or swallowing
dizziness
headache
increased menstrual flow or vaginal bleeding
paralysis
prolonged bleeding from cuts
red or black, tarry stools
red or dark brown urine
severe stomach pain
unexplained pain, swelling, or discomfort, especially in the chest, abdomen or stomach, joints, or muscles
unusual bleeding or bruising
vomiting of blood or material that looks like coffee grounds
weakness
Rare
Back pain
bleeding from mucous membranes
bluish or black discoloration, flushing, or redness of the skin
burning, pricking, tickling, or tingling sensation
feeling faint
leg weakness
numbness
problems with bowel or bladder function
skin rash (which may consist of pinpoint, purple-red spots), hives, or itching
sloughing of the skin at the injection site
swelling of the eyelids, face, or lips
tightness in the chest
Incidence not known
Blue-green to black skin discoloration
decrease in height
pain in the ribs, arms, or legs
Some side effects may occur that usually do not need medical attention. These side effects may go away during treatment as your body adjusts to the medicine. Also, your health care professional may be able to tell you about ways to prevent or reduce some of these side effects. Check with your health care professional if any of the following side effects continue or are bothersome or if you have any questions about them:
Incidence not known
Hair loss or thinning of hair
Other side effects not listed may also occur in some patients. If you notice any other effects, check with your healthcare professional.
Call your doctor for medical advice about side effects. You may report side effects to the FDA at 1-800-FDA-1088.
Approved for extended (6 month) treatment of blood clots in people with cancer
Can be used in children age 1 month or older
Doesn’t usually need to be monitored with blood tests
In cases of overdose or dangerous bleeding, there is an antidote called protamine that can reverse the effects of Fragmin (dalteparin).
Doesn't interact with food like warfarin (Coumadin) does
It's a low-molecular weight heparin, which means you can’t use it if you’ve had heparin-induced thrombocytopenia (HIT).
Brand name only, and can be more expensive than similar medications like enoxaparin (Lovenox)
Not a first-choice medication for people with kidney problems
Can interact with NSAIDs, such as ibuprofen (Advil, Motrin) and naproxen (Aleve), and raise bleeding risk
Some people will need to inject the medication multiple times a day
Talk to your provider or pharmacist to make sure you understand how to inject this medication the correct way before you start it at home. It's important that you get the right amount of medication.
People with latex allergies should avoid touching the prefilled Fragmin (dalteparin) syringe. The needle shield may contain rubber latex.
Check the solution in the syringe to make sure it hasn't changed colors and doesn't have particles in it. For the fixed-dose syringe, air bubbles are okay, don't push them out before using the syringe or you might lose some medication.
Store the syringes at room temperature. If you're using the vial, you can store it at room temperature for up to 2 weeks.
The medication must be injected into your fatty tissue and not your muscle. You can inject it into your lower abdomen around your belly button, the upper outter side of your thigh, or certain parts of your butt. Rotate your injeciton site every day to avoid unwanted side effects.
Make sure all your providers know you are taking Fragmin (dalteparin), especially surgeons and dentists. Fragmin (dalteparin) can make you bleed more, so they might tell you to stop taking the medication for a short period of time if you are having a procedure done.
Let your provider know right away if you see any blood in your stool or urine, cough up or vomit blood, or have any bleeding that doesn’t stop.
Fragmin (dalteparin) can cause some serious health issues. This risk may be even higher for certain groups. If this worries you, talk to your doctor or pharmacist about other options.
Risk factors: Spinal puncture (spinal tap) | Getting anesthesia near the spine (epidural anesthesia) | History of spinal surgery | Also using nonsteroidal anti-inflammatory drugs (NSAIDs) or other blood thinners
If you're taking Fragmin (dalteparin) and are getting either a spinal tap or an epidural, you're at a greater risk of bleeding around your spinal cord, which can make you paralyzed. Your provider will tell you how to stop taking Fragmin (dalteparin) safely before you go through a back surgery or procedure. Call your provider right away if you notice pain, tingling, a burning sensation, numbness, weakness, or are unable to urinate.
Risk factors: History of heparin-induced thrombocytopenia (HIT)
Fragmin (dalteparin) can cause your platelet counts to go down, and in rare cases, can cause a life-threatening condition called heparin-induced thrombocytopenia (HIT). HIT happens when the immune system creates antibodies that affect the function of platelets, causing blood clots to form in various parts of the body. If your platelets become very low, it's likely that Fragmin (dalteparin) will be stopped and your providers will consider a different blood thinner for you if needed.
Adults:
Prevention of complications with unstable angina or NSTEMI: The typical dose is 120 units/kg injected under the skin every 12 hours (usually given with aspirin).
Blood clot prevention after surgery or when you are very sick/bedridden: The typical dose range is 2,500 units injected under the skin every 4 to 8 hours and 5,000 units once daily. The dose will depend on your specific condition.
Extended treatment in people with cancer: The typical dose is based on your weight and will be given once a day for 6 months. The dose in the first month will be larger than the doses for the remaining months.
Children: The dose is based on the child's age and weight, and will be given twice a day.
Using this medicine with any of the following medicines is not recommended. Your doctor may decide not to treat you with this medication or change some of the other medicines you take.
Using this medicine with any of the following medicines is usually not recommended, but may be required in some cases. If both medicines are prescribed together, your doctor may change the dose or how often you use one or both of the medicines.
Blood clot prevention after abdominal surgery, after hip or knee replacement surgery, or when you are very sick and bedridden
Prevention of complications in people with unstable angina or NSTEMI (a type of heart attack)
Extended treatment of symptomatic blood clots to prevent future blood clots in people with cancer
Treatment of symptomatic blood cots in children age 1 month or older
Prevention and treatment blood clots in the veins
Prevention and treatment blood clots linked to atrial fibrillation (AFib) or heart valve replacement
Prevention of more blood clots and to lower risk of death after a heart attack
Prevention of blood clots in the arms or legs (deep vein thrombosis or DVT) or in the lungs (pulmonary embolism or PE) in:
Treatment of blood clots
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