Iron deficiency anemia...need to learn about this.

[Warpy]

3. Your numbers are caca but not incompatible with life

They will try to iron tablets first. Ferrous gluconate has fewer GI side effects beyond black shit. If it does upset your stomach, try over the counter Slo-Fe, it's timed release and I've never met anyone who's reacted badly to it.

As for flying anywhere, you will need supplemental oxygen with those numbers. Aircraft cabins have the same pressure as 8000 feet in altitude, meaning people with anemia won't get enough oxygen carried by their depleted red blood cells and can run into trouble. Call your airline and see if they have/rent oxygen setups for passengers with health issues. You might need to collect a prescription for it if the charge is substantial, it can be reimbursed. If uou need to organize your own, most medical supply stores rent them. Again, you'll need a prescription.

(Note I didn't mention pernicious anemia, I'm guessing your B-12 levels were checked)