Anti-Hepa Injection

Brand Name: Anti-Hepa
Generic: Protamine Sulfate
Weight: 10 mg/ml
Type: Injection
Therapeutic Class: Antidote preparations
Manufacturer: Popular Pharmaceuticals Ltd.
Price: 0.00
Last Updated: 2020-11-20 18:15:00

Anti-Hepa Injection Uses

Anti-Hepa Injection contains Protamine Sulfate. Anti-Hepa uses:

Anti-Hepa Injection Injection is indicated in the treatment of heparin overdosage

Anti-Hepa Injection Doses

Anti-Hepa Injection contains Protamine Sulfate 10 mg/ml. Anti-Hepa doses:

Each mg of Anti-Hepa Injection will neutralize approximately 90 units of heparin activity derived from beef lung tissue or about 115 units of heparin activity derived from porcine intestinal mucosa.    

Anti-Hepa Injection Injection, should be given by very slow intravenous injection in doses not to exceed 50 mg of Anti-Hepa Injection in any 10 minute period.    

Anti-Hepa Injection is intended for injection without further dilution; however,if further dilution is desired, 5% Dextrose Injection,or 0.9% Sodium Chloride Injection may be used. Diluted solutions should not be stored since they contain no preservative.    

Anti-Hepa Injection should not be mixed with other drugs without knowledge of their compatibility, because Anti-Hepa Injection has been shown to be incompatible with certain antibiotics,including several of the cephalosporins and penicillins.    

Because heparin disappears rapidly from the circulation, the dose of Anti-Hepa Injection required also decreases rapidly with the time elapsed following intravenous injection of heparin.For example, if the Anti-Hepa Injection is administered 30 minutes after the heparin, one-half the usual dose may be sufficient.    

The dosage of Anti-Hepa Injection should be guided by blood coagulation studies.Parenteral drug products should be visually inspected for particulate matter and discolouration prior to administration, whenever solution and container permit.


Side Effects

Intravenous injections of Protamine sulfate may cause a sudden fall in blood pressure, bradycardia, pulmonary hypertension, dyspnea, or transitory flushing and a feeling of warmth. There have been reports of anaphylaxis that resulted in respiratory embarrassment. Other reported adverse reactions include systemic hypertension, nausea, vomiting and lassitude. Back pain has been reported rarely in conscious patients undergoing such procedures as cardiaccatheterization. Because fatal reactions often resembling anaphylaxis have been reported after administration of Protamine sulfate, the drug should be given only when resuscitation techniques and treatment of anaphylactoid shock are readily available.


Protamine sulfate is prepared from the sperm or mature testes of salmon or related species and is composed of arginine, proline, serine and valine. It combines with strongly acidic heparin to form a stable complex, neutralising the anticoagulant activity of both drugs.

Anti-Hepa Precaution

Patient at risk of developing hypersensitivity to protamine (e.g. previous history of procedures such as coronary angioplasty or cardiopulmonary bypass surgery where protamine is frequently used, diabetics using protamine insulin, allergy to fish, vasectomised or infertile males who may have antibodies to protamine). Pregnancy and lactation.


Protamine sulfate has been shown to be incompatible with certain antibiotics, including several of the cephalosporins and penicillins

Pregnancy Lactation use

Usage in Pregnancy: Animal reproduction studies have not been conducted with Protamine sulfate . It is also not known whether Protamine sulfate can cause fetal harm when administered to a pregnant woman or can affect reproduction capacity. Protamine sulfate should be given to a pregnant woman only if clearly needed.

Nursing Mothers: It is not known whether this drug is excreted in human milk. Because many drugs are excreted in human milk, caution should be exercised when Protamine sulfate is administered to a nursing woman.


Protamine sulfate is contraindicated in patients who have shown previous intolerance to the drug.

Special Warning

Usage in Children: Safety and effectiveness in children have not been established.

Acute Overdose

Because of the anticoagulant effect of Protamine sulfate , overdosage of this drug may theoretically result in hemorrhage. However, in one study, overdosage of 600 to 800 mg of intravenous Protamine sulfate had only minimal, transient effects on blood coagulation tests.The patient should be followed with coagulation studies and treated symptomatically. The LD50 of Protamine sulfate is 100 mg/kg in mice.

Interaction with other Medicine


Storage Condition

Store between 20-25° C. Do not freeze.

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