Will porphyria affect my thinking and memory?

Possibly: Porphyria symptoms can include depression, confusion, hallucinations & delusions. These symptoms are most likely to occur during an acute attack. Other symptoms that one may experience during an attack could also affect thinking & memory. For examply, nausea & pain may decrease one's ability to concentrate, thereby affecting memory & attention span.

Could: There ae several types of porphyria with different symptoms, but some can cause damage to kidney and liver function and can be associated with high blood pressure - depending on severity all of these can impact on cognitive and memory functioning.