Living with porphyria awareness

Overview

Porphyria is a group of rare conditions that affect how your body makes heme, a part of red blood cells. When heme is not made normally, certain chemicals called porphyrins build up in the body and can cause symptoms.

Porphyria is rare. About 1 in 10,000 people worldwide may have some form, but prevalence varies by type and region.

Porphyria can affect anyone, but it is usually inherited. It can appear at any age, though symptoms often start in adulthood. Some types are more common in women, and certain types are more common in specific ethnic groups.

Symptoms

Common symptoms

• Severe abdominal pain, sometimes with nausea and vomiting
• Skin redness, burning or blistering after sun exposure
• Dark or reddish urine (this can be a sign of an attack)
• Muscle weakness, numbness or tingling
• Confusion, anxiety, irritability, or mood changes
• Fast heartbeat or feeling that your heart is racing

Symptoms in children

• In children, symptoms may include poor feeding, slow growth, seizures, or abdominal pain. Skin blistering can also appear after sun exposure.

Symptoms in older adults

• Older adults may have similar symptoms, but they can be subtle. Symptoms like fatigue, confusion, or pain may be mistaken for other age-related conditions.

Causes

Main causes

• Porphyria is caused by a change in one of the genes that help produce heme. This gene change is often inherited from a parent, but sometimes it can happen for the first time in a person.
• The buildup of porphyrins can cause the symptoms of porphyria.

Risk factors

• A family history of porphyria
• Taking certain medicines (including some antibiotics, hormones, and sedatives)
• Drinking alcohol
• Smoking
• Fasting or crash dieting
• Stress, infection, or major surgery
• Hormonal changes such as pregnancy or menstrual cycles

When to see a doctor

See a doctor urgently if:

• You have repeated attacks of abdominal pain that disrupt your daily life
• You notice dark urine or blistering skin after sun exposure
• You have new weakness or tingling in your limbs
• You feel anxious, confused, or have changes in your mood or thinking
• You think a medicine may have triggered symptoms

Book a routine appointment if:

• You have a family history of porphyria and want to discuss testing
• Symptoms like skin pain or unusual tiredness keep coming back
• You need advice about avoiding triggers or managing your condition

Diagnosis

A doctor will review your symptoms, medical and family history, and ask about any triggers. The most useful tests are done during an attack, but some can be done at any time.

Tests that may be done

• Urine tests to check for porphyrins (chemicals produced by the body)
• Blood tests to check for porphyrins or to look for a common gene change
• Stool tests if the urine test is unclear
• Genetic testing to confirm the specific type and help family members understand their risk

What to expect at your appointment

You may be asked to provide urine samples over 24 hours. Testing should be done when you have symptoms, if possible. If your results are positive, you may be referred to a specialist porphyria clinic. It can take time, but a clear diagnosis helps you get the best care.

Treatment

Treatment for porphyria is highly personalised. For acute types, the goal is to prevent and manage attacks by avoiding triggers and treating symptoms quickly. For skin types, the focus is on protecting the skin and reducing porphyrins.

Self-care at home

• Avoid known triggers like alcohol, smoking and certain medicines
• Protect your skin from sunlight with clothing, hats and sunscreens
• Eat regular meals and avoid long fasting
• Keep stress low and get enough rest
• Tell every doctor, pharmacist and dentist about your porphyria

Medical treatments

Acute attacks may require hospital care. Doctors may give you fluids and medicines to control pain, nausea and blood pressure. There are also treatments that help reduce porphyrin production. For skin symptoms, doctors may recommend regular sun protection, creams to protect and heal the skin, and sometimes treatments to lower iron levels. Always ask your specialist before taking any new medicine, including herbal products.

When is surgery considered?

If you ever need surgery or a procedure that uses anaesthesia, it is very important to tell your surgical team early that you have porphyria. Specialists can plan your anaesthetic and medicines to reduce the risk of triggering an attack.

Living with this condition

Living with porphyria means planning ahead. Keep a list of safe and unsafe medicines, wear sun protection, carry a medical alert card, and let close friends and family know what to do if you become unwell.

Lifestyle tips

• Wear a medical alert bracelet or carry a card that says you have porphyria
• Plan ahead for times when you might be at risk, such as illness, stress, or surgery
• Tell your family and friends how to help during an attack
• Keep a record of your symptoms and triggers to discuss with your doctor

Diet and exercise

Eat regular meals and avoid going without food for long periods. A balanced diet with enough carbohydrates can help prevent attacks. Gentle exercise like walking or swimming is good for overall health, but avoid exhausting workouts if you feel unwell.

Mental health and emotional wellbeing

Dealing with a chronic condition can be tough. You may feel anxious about when the next attack might happen. It's normal to feel this way. Talk to your doctor, a counsellor, or a support group. If you have thoughts of harming yourself, reach out for help immediately.

Prevention

You cannot change the genes you have, but you may be able to prevent symptoms by avoiding known triggers and keeping a healthy lifestyle. Some people with porphyria never have symptoms.

Vaccines

Staying up to date with recommended vaccines can help prevent infections that might trigger an attack. Ask your doctor or pharmacist which vaccines are appropriate for you.

Screening programmes

If you have a family history, genetic counselling and testing might help you and your relatives understand your risk. This can be useful even if you do not have symptoms.

Complications

If left untreated

• Untreated acute attacks can cause severe nerve damage, kidney problems, high blood pressure, or respiratory failure for some people.
• Skin symptoms can lead to scarring, changes in skin colour, or recurrent infections.
• Porphyria can also affect mood and mental health if not managed well.

Long-term outlook

With awareness and good care, many people with porphyria live long, healthy lives. Although it is a lifelong condition, acute attacks can often be prevented, and skin damage can be minimized. Research is constantly improving care.

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