Levothyroxine Shortage 2025. The reason patients have been getting levothyroxine from different manufacturers is due to shortages, particularly of mylan medicines. Allergan has armour thyroid available.

Believe me, pharmacists want patients to stay on levothyroxine from the same company. As many as 90 percent of those who take levothyroxine [synthroid] may have been unnecessarily prescribed the hypothyroidism medication.