Hazardous drugs that are not in solid, final form for direct patient administration require a Safety Data Sheet (SDS) under OSHA’s Hazard Communication Standard. This means any drug classified as a health hazard that comes as a liquid, powder, cream, aerosol, or injectable needs an SDS. Solid tablets, pills, and capsules that go straight to the patient are the main exemption.
The Solid Final Form Exemption
OSHA carved out a specific exemption under Section 1910.1200(b)(6)(viii) of the Hazard Communication Standard: drugs defined by the Federal Food, Drug and Cosmetic Act that are in “solid, final form for direct administration to the patient” do not require an SDS. This covers standard tablets, pills, and capsules that a patient swallows whole.
The key word is “final.” If a tablet or capsule is designed to be crushed or dissolved by a healthcare worker before giving it to a patient, it is not considered final form and does require an SDS. However, if a tablet is occasionally crushed to help a specific patient swallow it, but that’s not the standard way it’s dispensed, the exemption still applies. The distinction hinges on the manufacturer’s intended use, not what happens at the bedside in unusual cases.
Drugs packaged for sale to consumers in a retail setting are also exempt. So a bottle of ibuprofen sitting on a pharmacy shelf for customer purchase doesn’t trigger SDS requirements for the retail employees stocking it.
Drug Forms That Always Require an SDS
Everything outside that narrow exemption needs an SDS if it poses a health hazard. In practice, this covers a wide range of dosage forms:
- Liquids and injectables: IV solutions, oral suspensions, and any drug delivered by syringe
- Powders: bulk powders used in compounding, which can be inhaled or absorbed through skin
- Creams, ointments, and gels: topical formulations that expose workers through skin contact
- Aerosols and inhalers: any drug delivered as a mist or spray
- Patches: transdermal systems containing active ingredients that can transfer on contact
The concern is worker exposure. A nurse mixing a powdered antibiotic into a solution, a pharmacist compounding a cream, or a technician handling an open liquid all face potential inhalation or skin absorption risks that a sealed tablet doesn’t present.
NIOSH’s Three Categories of Hazardous Drugs
While OSHA sets the legal requirement for SDS documentation, NIOSH maintains a list of drugs considered hazardous in healthcare settings. The 2024 NIOSH List of Hazardous Drugs organizes them into three groups:
Antineoplastic drugs (cancer chemotherapy agents) are the most recognized category. These drugs are designed to kill or damage cells, which makes them dangerous for workers who prepare or administer them. Exposure can happen through skin contact, inhalation of aerosolized particles, or accidental needle sticks.
Non-antineoplastic drugs with documented adverse health effects make up the second group. These include certain hormones, immunosuppressants, antivirals, and other medications that don’t treat cancer but still carry risks like reproductive toxicity or organ damage for workers who handle them repeatedly.
Drugs with special handling information from the manufacturer form the third category. These are medications whose package inserts include specific warnings about safe handling, even if they haven’t been formally classified as hazardous through toxicity studies. If the manufacturer says it needs special precautions, it belongs on the list.
NIOSH defines a hazardous drug as one that is carcinogenic (causes cancer), teratogenic (causes birth defects), has reproductive effects, or has the potential for genetic damage. Any drug meeting these criteria and not in solid final form requires an SDS.
Bulk Chemicals and Raw Ingredients
Active pharmaceutical ingredients (APIs) and raw materials used in drug manufacturing or pharmacy compounding always require an SDS. These are chemicals in their pure or concentrated form before they become a finished medication. OSHA’s Hazard Communication Standard requires that chemical manufacturers, distributors, or importers provide an SDS for each hazardous chemical shipped to downstream users.
This matters most for compounding pharmacies and pharmaceutical manufacturing facilities, where workers handle powdered or liquid drug ingredients directly. A finished capsule of a hormone medication might be exempt, but the bulk hormone powder a compounding pharmacy uses to make that capsule absolutely requires an SDS and all the handling precautions that come with it.
What an SDS Must Include
When a drug does require an SDS, the document follows a standardized 16-section format. The sections most relevant to healthcare and pharmacy workers include hazard identification (what dangers the drug presents), composition and ingredient information (the active chemicals and their concentrations), and guidance on safe handling and storage.
For mixtures, the SDS must list the chemical name and exact percentage of all ingredients classified as health hazards that are present above their cutoff concentrations. Manufacturers can use concentration ranges instead of exact percentages when trade secrets are involved, when there’s batch-to-batch variation, or when a single SDS covers a group of similar formulations.
Employers who have hazardous drugs on site are required to maintain SDS files and make them accessible to any worker who may be exposed. In healthcare settings, this means the SDS should be readily available in pharmacies, nursing units, and anywhere drugs are prepared or administered. If a pharmaceutical company determines its product is a hazardous chemical, every downstream user, including doctors’ offices and clinics, must keep the SDS on file.
How This Applies in Healthcare Settings
For nurses, pharmacists, and pharmacy technicians, the practical question is usually whether the drugs they handle daily fall under SDS requirements. The answer depends on both the drug’s hazard classification and its physical form at the point of handling.
A chemotherapy drug in liquid form for IV infusion clearly requires an SDS. So does a hazardous drug in powder form that a pharmacy technician reconstitutes. But a sealed blister pack of a hazardous oral tablet that a nurse hands to a patient and the patient swallows whole falls under the solid final form exemption.
USP Chapter 800, which governs the handling of hazardous drugs in pharmacy and healthcare settings, works alongside OSHA’s Hazard Communication Standard. Information about a drug’s tendency to release vapors or particles, which affects what protective equipment workers need, is often found in the SDS. Facilities that compound sterile or nonsterile hazardous drugs need to follow the equipment and engineering controls outlined in USP standards, and the SDS is a starting point for understanding each drug’s specific risks.