New Delhi, March 19 -- Sayyed Ragheb was already struggling to keep his family afloat, earning less than $100 a month. Now he fears it will get even worse after Egypt hiked fuel prices because of the Iran war.

The father of four school-age children works day-to-day in cafes and sometimes in construction. With prices of meat and produce jumping just the past week, he worries about meeting his family's basic needs.

"This means a price increase for everything," said Ragheb, as he served hot drinks at a cafe on a recent evening in Cairo. "This is catastrophic for someone like me."

Egypt is one of the few countries in the Middle East not directly affected by the war, now in its third week with no sign of abating. It's not part of the U.S.-I...