healthful
prophylactical
protective
IUD
aegis
antacid
antidote
antiseptic
arm guard
aseptic
backstop
bag
birth control device
boiled
buffer
bulwark
bumper
condom
contraceptive
contraceptive foam
copyright
counteractant
counteractive
counteragent
counterirritant
covering
crash helmet
cushion
custodial
dashboard
decontaminated
defensive
deterrent
deterring
diaphragm
discouraging
disinfected
dodger
face mask
fender
finger guard
foot guard
forbidding
forestalling
fostering
fuse
goggles
governor
guard
guardian
guarding
guardrail
hand guard
contraceptive device
curative
cure
preventative
preventive
prophylactic device
remedy
therapeutic
prophylaxis
adjuvant
anticonvulsant
antidepressant
cytotoxic
first-line
immunosuppressive
injectable
intravenous
ototoxic
out-patient
parenteral
pharmacologic
pharmacological
preoperative
sublethal
topical
toxoid
anticlimactic
chiropractic
climactic
didactic
extragalactic
galactic
lactic
tactic