Standard Precautions

Standard precautions apply to every patient, every encounter — not just the ones who "look" infectious. The moment you assume a patient is low-risk, you've already broken the chain.

Standard precautions are the baseline infection control practices applied to ALL patients regardless of diagnosis or presumed infection status. They treat every body fluid (except sweat), non-intact skin, and mucous membranes as potentially infectious. The core elements include hand hygiene, appropriate PPE selection based on anticipated exposure, safe injection practices (one needle/one syringe/one use), respiratory hygiene and cough etiquette, proper handling and disposal of sharps, safe handling of contaminated equipment and linens, and environmental cleaning. The guiding principle is anticipation: before contact, you assess what body fluids you might encounter and gear up accordingly. Standard precautions are NOT the same as transmission-based precautions (airborne, droplet, contact), which layer ON TOP of standard precautions when a specific pathogen is identified. Standard precautions alone are sufficient when no transmission-based precaution order exists. They also include safe injection practices — never reusing syringes or accessing multi-dose vials with a used needle — a testable area tied to real-world outbreak investigations.

Key Distinctions

Don't confuse standard precautions with contact precautions — standard precautions don't require gowns for routine care unless splash or fluid exposure is anticipated. Students often think gloves alone equal standard precautions; gloves are just one component. Standard precautions apply universally; transmission-based precautions are pathogen-specific and always added to, never replace, standard precautions.

Clinical Pearl

Standard precautions are the floor, never the ceiling. Transmission-based precautions stack on top — you never swap one for the other.