During attacks as previously mentioned. If their is any kidney impairment protein must be reduced. Total fat intake should be less than 30 percent of total calories. Be sure to keep the saturated fats to a minimum. Cholesterol intake should be less than 300 milligrams per day.
Artificial sweeteners are acceptable.
Remember that some may cause an increase in diarrhea during an acute attack. Salt intake need not be restricted unless it is important for controlling hypertension. The majority of porphyria patients do not have chronic hypertension and therefore salt restriction will not be addressed here. Remember that during acute attacks often some of the glucose IV will contain saline solution, while other may be only water. This is important to remember if you have problems with edema.