Voxelotor
The FDA recently approved this oral drug to improve anemia in people with sickle cell disease, but it causes instant side effects such as headache, diarrhea, nausea, fatigue, rash, and fever. Always take the prescribed dose of Voxelotor because overdosing may lead to a fatal condition.
Adakveo
Novartis develops Adakveo. It is also approved as the best treatment for sickle cell anemia. The drug contains an antibody responsible for blocks a protein that binds to sickle cells in the blood vessels. It also causes pain or inflammation when the sickle cells block blood flow.