
Panhematin is a prescription medicine used to treat acute intermittent porphyria (AIP) attacks in women. It is a hemin for injection that helps replenish the body's heme pool, which gets depleted during AIP attacks. Panhematin is typically administered through an IV needle into a large arm vein or a central venous catheter line. It is supplied as a sterile lyophilized black powder that needs to be reconstituted with a diluent before administration. This medication guide will outline how to mix and administer Panhematin, as well as important safety considerations.
| Characteristics | Values |
|---|---|
| Form | Powder |
| Dosage | Once or twice per day for up to 2 weeks |
| Administration | Injection |
| Mixing instructions | Mix powder with liquid (diluent), shake for 2-3 minutes, use immediately |
| Storage | Store at room temperature, away from moisture and heat |
| Side effects | Allergic reaction, vein inflammation, elevated iron levels, reversible kidney shutdown, superficial thrombophlebitis |
| Contraindications | Allergy to the drug, pregnancy, breastfeeding, blood thinners |
| Interactions | Estrogens, barbiturates, steroids, sulfonamide antibiotics |
| Indications | Acute intermittent porphyria (AIP) attacks, especially related to the menstrual cycle |
| Mechanism of action | Replenishes heme, slows AIP attack cycle, represses porphyrin precursor production |
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What You'll Learn
- Panhematin is a powder medicine that must be mixed with a liquid (diluent) before use
- The FDA-approved method for mixing Panhematin is to add sterile water to the vial before infusion
- Panhematin must be reconstituted into a liquid solution before infusion
- After mixing, shake the mixture for 2-3 minutes and use it immediately
- The reconstituted mixture does not contain a preservative

Panhematin is a powder medicine that must be mixed with a liquid (diluent) before use
Panhematin is available as a sterile, lyophilized powder for reconstitution for injection. Each vial contains the equivalent of 350 mg hemin, 240 mg sodium carbonate, and 335 mg of sorbitol. When mixed as directed with Sterile Water for Injection, USP, each 48 mL provides the equivalent of approximately 336 mg hematin (7 mg/mL). It is important to note that Panhematin should not be used if you are allergic to it, and you should inform your doctor if you are pregnant, planning to become pregnant, or breastfeeding.
To mix Panhematin, follow the FDA-approved method described in the package insert. Add sterile water to the vial before it is infused by vein. After mixing the powder with the diluent, shake the mixture for 2 to 3 minutes. It is important to give the injection immediately after mixing and not save it for later use. Dispose of any unused mixture. Additionally, since reconstituted Panhematin is not transparent, terminal filtration through a sterile 0.45-micron filter or smaller is recommended to inspect for any undissolved particulate matter.
It is important to store Panhematin at a cool room temperature away from moisture and heat. The medication does not contain preservatives, so proper storage and prompt use are crucial. Always follow the directions on your prescription label and consult your doctor if you have any questions or concerns about using Panhematin.
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The FDA-approved method for mixing Panhematin is to add sterile water to the vial before infusion
Panhematin is a prescription medicine used to relieve repeated attacks of acute intermittent porphyria related to the menstrual cycle in affected women. It is also used to treat the symptoms of occasional attacks of porphyria, such as pain, increased heart rate or blood pressure, and changes in mental status. It is made of red blood cells processed from human blood.
Panhematin is available as a sterile, lyophilized powder for reconstitution for injection. Each vial contains the equivalent of 350 mg of hemin, 240 mg of sodium carbonate, and 335 mg of sorbitol. The FDA-approved method for mixing Panhematin is to add sterile water to the vial before infusion. When mixed as directed with Sterile Water for Injection, USP, each 48 mL provides the equivalent of approximately 336 mg of hematin (7 mg/mL).
It is important to note that Panhematin should not be used if you are allergic to it. Before starting treatment, be sure to tell your doctor about any medical conditions, including allergies, pregnancy, or breastfeeding. Panhematin may also cause side effects such as headache, fever, infusion site reactions, and vein inflammation. It is also important to follow the directions on your prescription label and not to use Panhematin in larger or smaller amounts or for longer than recommended.
When mixing Panhematin, it is important to follow the instructions provided by your healthcare provider. After mixing the powder with the diluent, shake the mixture for 2 to 3 minutes. The injection should be given right away, and any unused mixture should be thrown away. Proper storage and handling of Panhematin are also important. It should be stored at cool room temperature, away from moisture and heat.
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Panhematin must be reconstituted into a liquid solution before infusion
Panhematin is a prescription medicine used to relieve repeated attacks of acute intermittent porphyria related to the menstrual cycle in affected women. It is made from red blood cells processed from human blood and works by lowering the production of a certain enzyme in the body. It is not a cure for porphyria but helps control the symptoms of an episode, such as pain, increased heart rate or blood pressure, and changes in mental status.
Panhematin is available as a sterile, lyophilized powder for reconstitution for injection. Each vial contains the equivalent of 350 mg of hemin, 240 mg of sodium carbonate, and 335 mg of sorbitol. It should be noted that Panhematin is not approved for use by anyone younger than 16 years old. Before starting treatment, your doctor may perform tests to ensure you are having an actual porphyria attack.
To minimize the possibility of vein inflammation, your doctor will use a large arm vein or a central line to administer Panhematin. It is important to monitor iron levels during treatment, as elevated iron levels may occur. Panhematin has a short-term and mild blood-thinning effect, so it is important to avoid blood thinners during Panhematin therapy.
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After mixing, shake the mixture for 2-3 minutes and use it immediately
Panhematin is a prescription medicine used to relieve repeated attacks of acute intermittent porphyria related to the menstrual cycle in affected women. It is made from red blood cells processed from human blood and works by lowering the production of a certain enzyme in the body. It is available as a sterile, lyophilized powder for reconstitution for injection.
Panhematin must be mixed with a liquid (diluent) before using it. The FDA-approved method for reconstituting Panhematin is to add sterile water to the vial before it is infused by vein. After mixing the powder with the diluent, shake the mixture for 2 to 3 minutes and use it immediately. Do not save it for later use. Throw away any unused mixture.
It is important to note that Panhematin should not be used to treat porphyria that affects the skin, also called porphyria cutanea tarda. It is also not approved for use by anyone younger than 16 years old. Before starting treatment, your doctor may perform tests to ensure you are having an actual porphyria attack. Panhematin is usually given after other medicines to treat porphyria have been given for a certain amount of time.
Additionally, Panhematin may carry a risk of transmitting agents that can cause infections, such as viruses. It is important to consult with your healthcare provider before starting Panhematin to ensure it is safe for you.
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The reconstituted mixture does not contain a preservative
Panhematin is a prescription medicine used to treat the symptoms of acute intermittent porphyria (AIP) related to the menstrual cycle in women. It is available as a powder for reconstitution in 350 mg vials. The medicine is made from human plasma (part of the blood) and must be mixed with a liquid (diluent) before use.
It is recommended to store the reconstituted mixture at a cool room temperature, away from moisture and heat. The ideal storage temperature range is between 20-25°C (68-77°F).
Additionally, it is important to note that Panhematin has a short-term and mild blood-thinning effect. Therefore, it is advised to avoid the use of blood thinners during Panhematin therapy.
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Frequently asked questions
Panhematin is used to treat the symptoms of acute intermittent porphyria (AIP) attacks related to the menstrual cycle in women. It is also used to treat acute porphyria and Hereditary Coproporphyria (HCP).
Panhematin is a powder medicine that must be mixed with a liquid (diluent) before using it. After mixing the powder with the diluent, shake the mixture for 2 to 3 minutes.
Treatment can last for 3-14 days, depending on how your symptoms improve.
Panhematin may cause serious side effects such as swelling, pain, or irritation around the IV needle, easy bruising, bleeding, superficial thrombophlebitis, and reversible kidney shutdown.
Panhematin may interact with certain drugs such as estrogens, barbiturates, steroids, and blood thinners. It is important to consult with a healthcare professional before taking Panhematin to ensure safe usage.









































