Acute Porphyria

Medically reviewed by Drugs.com. Last updated on Apr 6, 2025.

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Acute porphyria is a disorder that affects how your body makes red blood cells (RBC). Your body needs a chemical called porphyrin to make heme, a part of RBC that carries oxygen. Porphyria prevents your body from creating enough enzymes to control the process, and porphyrin builds up. High levels of porphyrin can cause problems throughout your body, depending on where it builds up. Low levels of heme can also cause organ damage, because your blood cannot bring the organs enough oxygen.

DISCHARGE INSTRUCTIONS:

Medicines:

You may be given medicine to treat your porphyria or to manage symptoms. Take your medicine as directed. Call your healthcare provider if you think your medicine is not working or you have side effects. Tell your provider if you are allergic to any medicine. Keep a current list of the medicines, vitamins, and herbs you take. Keep the list with you in case of emergency. Include the amounts, and when, how, and why you take them.

Follow up with your healthcare provider:

If you have a liver or kidney disease, it is especially important to keep all appointments. Write down your questions so you remember to ask them during your visits.

Drugs used to treat this and similar conditions

Treatment options

The following list of medications are related to or used in the treatment of this condition.

• Panhematin
• Givlaari
• chlorpromazine
• hemin
• givosiran

Prevent an acute porphyria attack:

• Do not smoke cigarettes or drink alcohol: Cigarettes and alcohol can trigger an attack. They may also damage your liver and further worsen your condition. Talk to your healthcare provider if you have trouble quitting smoking or drinking.
• Reduce stress: Physical and mental stress can trigger an attack. Talk to your healthcare provider about ways you can reduce stress.
• Be careful with medicines: Certain medicines can trigger an acute porphyria attack, so ask your healthcare provider about the medicines you take.
• Eat enough food: You can trigger an attack if you do not eat enough, especially if you cut out carbohydrates. Ask your healthcare provider how much you should eat each day. You may need to work with a dietitian to create a food plan.
• Rest when you feel it is needed. Slowly start to do more each day. Return to your daily activities as directed.

Contact your healthcare provider if:

• You vomit everything you eat or drink.
• You have a fever.
• You get a skin blister or lesion when your skin is exposed to sunlight.
• You have questions or concerns about your condition or care.

Seek care immediately or call 911 if:

• You have pain in your abdomen, chest, or back.
• You have signs of dehydration, such as urinating less or not at all.
• You cannot eat or drink.
• You are confused, groggy, or weak.
• You have a seizure.
• You have trouble breathing or walking.
• You cannot move one side of your body.

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The above information is an educational aid only. It is not intended as medical advice for individual conditions or treatments. Talk to your doctor, nurse or pharmacist before following any medical regimen to see if it is safe and effective for you.

Further information

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