FDA Section 4 \u2022 who must NOT take this
Acetylcysteine - Contraindications
These conditions, allergies, and situations mean Acetylcysteine should NOT be used. From the US FDA-approved drug label Section 4.
4 CONTRAINDICATIONS Acetylcysteine injection is contraindicated in patients with a previous hypersensitivity reaction to acetylcysteine [see Warnings and Precautions ].
Patients with a previous hypersensitivity reaction to acetylcysteine