In Vietnamese: Chống chỉ định Medicines
There are two levels: absolute (never, in any circumstance) and relative (weigh the risk against the benefit).
This is why you must declare every underlying condition, every medicine you take, and every allergy.
This is why you must declare every underlying condition, every medicine you take, and every allergy.
Often confused with: Side effect — something that may happen while using it, not a prohibition on using it.