May 27, 2017
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Panhematin Patient Information Including Side Effects

Brand Names: Panhematin

Generic Name: hemin (Pronunciation: HEE min)

What is hemin (Panhematin)?

Hemin is an enzyme inhibitor that is made from red blood cells. It works by lowering the production of a certain enzyme in the body.

Hemin is used to treat the symptoms of occasional attacks of porphyria related to the menstrual cycle in women. Hemin helps control symptoms such as pain, increased heart rate or blood pressure, and changes in mental status.

Hemin should not be used to treat porphyria cutanea tarda.

Hemin is not a cure for porphyria. It will only control the symptoms of a porphyria episode.

Hemin may also be used for other purposes not listed in this medication guide.

What are the possible side effects of hemin (Panhematin)?

Get emergency medical help if you have any of these signs of an allergic reaction: hives; difficulty breathing; swelling of your face, lips, tongue, or throat.

Stop using hemin and call your doctor at once if you have a serious side effect such as:

  • urinating less than usual or not at all;
  • swelling, weight gain, feeling short of breath;
  • fever;
  • easy bruising or bleeding; or
  • swelling, pain, or irritation around the IV needle.

This is not a complete list of side effects and others may occur. Tell your doctor about any unusual or bothersome side effect. You may report side effects to FDA at 1-800-FDA-1088.

Read the Panhematin (hemin) Side Effects Center for a complete guide to possible side effects

What is the most important information I should know about hemin (Panhematin)?

Use this medication exactly as prescribed by your doctor. Do not use it in larger amounts or for longer than recommended. Using too much hemin could be harmful to your kidneys. Follow the directions on your prescription label.

You should not use this medication if you are allergic to hemin.

Before using hemin, tell your doctor if you are allergic to latex rubber.

Also tell your doctor if you take birth control pills, hormone replacement therapy, a blood thinner, steroids, or a barbiturate sedative.

Hemin is made from human blood and may contain viruses and other infectious agents that can cause disease. Although donated human blood is screened, tested, and treated to reduce the risk of it containing anything that could cause disease, there is still a small possibility it could transmit disease. Talk with your doctor about the risks and benefits of using this medication.

Side Effects Centers

Report Problems to the Food and Drug Administration


You are encouraged to report negative side effects of prescription drugs to the FDA. Visit the FDA MedWatch website or call 1-800-FDA-1088.

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