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Common Precipitants of Acute Porphyric Attacks
| Medications/Chemicals | Other Causes |
|---|---|
| Alcohol | Stress |
| Antiepileptics | Emotional |
| Barbiturates | Physical |
| Carbamazepine | Physiologic |
| Phenytoin | Acute illness/infection |
| Valproic acid | Surgery/anesthesia |
| Oral contraceptives (progesterone>estrogen) | Rapid weight loss Severe caloric restriction Bariatric surgery |
| Cytochrome P450 inducing agents | |
| Female specific Menstrual cycle (luteal phase) Pregnancy Post-partum |
