Respuesta :
Answer:
BD: if it is a prescribed medicine that mean it should be taken twice daily I believe.
MCS: Multiple chemical sensitivity I believe.
Explanation:
MCS: I'm quite possitive it is a diagnosis characterized by chronic symptoms ascribed to exposure towards low levels of commonly used chemicals.
BD: It should be taken about every 12 hours and there is 24 hours in a day resulting in taking the prescribed medication twice a day.