| Term | Definition |
| la enfermedad | illness, disease |
| la gripe | flu |
| el malestar | discomfort |
| la obesidad | obesity |
| el resfriado | cold (sickness) |
| el virus | virus |
| contagiarse | to become infected |
| empeorar | to deteriorate, get worse |
| ponerse malo/a | to become ill |
| sufrir de anorexia | to suffer from anorexia |
| tener fiebre | to have a fever |
| toser | to cough |
| la depresión | depression |
| la herida | injury |
| la mala forma física | in bad (physical) shape |
| los factores de riesgo | risk factors |
| la tos | cough |
| desmayarse | to faint |
| hacerse daño | to hurt oneself |
| lastimarse | to hurt oneself |
| tener mal aspecto | to look sick |
| inflamado/a | inflamed |
| mareado/a | dizzy |
| mejorar | to improve |
| ponerse bien | to get well |
| portarse bien | to behave well |
| relajarse | to relax |
| tener buen aspecto | to look good |
| sano/a | healthy |
| la alimentación | diet (nutrition) |
| la autoestima | self-esteem |
| el estado de ánimo | mood |
| el régimen | diet |
| la respiración | breathing |
| la salud | health |
| el sentido común | common sense |
| la tensión (alta, baja) | blood pressure (high, low) |
| adelgazar | to lose weight |
| cambiar su estilo de vida | to change one's lifestyle |
| congeniar | to get along |
| dejar de fumar | to quit smoking |
| descansar | to rest |
| engordar | to gain weight |
| estar acostumbrado/a | to be used to |
| trasnochar | to stay up all night |
| la cirugía | surgery |
| el/la cirujano/a | the surgeon |
| la consulta | appointment |
| el consultorio | the doctor's office |
| la operación | operation |
| los primeros auxilios | first aid |
| la sala de emergencias | emergency room |
| consultar un(a) especialista | to consult a specialist |
| las aspirinas | aspirin |
| los calmantes | painkillers, tranquilizers |
| el jarabe | syrup |
| la pastilla | pill |
| la receta | prescription |
| el tratamiento | treatment |
| la vacuna | vaccine |
| la venda | bandage |
| el yeso | cast |
| curarse | to cure |
| poner una inyección (a alguien) | to give (someone) a shot |
| prevenir | to prevent |
| recuperarse | to recover |
| tratar | to treat |
| permanecer | to remain, to last |
| a fondo | thoroughly |