dizziness

lightheadedness

Sensation of near-fainting

• faintnessVerge of swooning
• woozinessUnsteady, disoriented sensation
• spinningRevolving around an axis

reeling · swoon · syncope · pre-syncope · vasovagal · nystagmus · vestibular · labyrinthitis · vertiginous · acrophobia

motion sickness

Nausea from perceived movement

• seasicknessNausea from boat motion
• carsicknessNausea from vehicle travel
• airsicknessNausea from flying

nausea · queasiness · spinning · whirling · carousel · rocking · swaying · travel sickness · boat · turbulence

confusion

Mental disorientation or bewilderment

• fogginessObscured or unclear state
• hazinessState of being unclear
• dazeBewildered mental state

bewilderment · discombobulation · lightheadedness · faintness · stupor · muddled · fuzzy · spacey · brain fog · unfocused

nausea

Pre-vomiting stomach discomfort

• headacheCranial pain
• blurred visionUnclear visual perception
• tinnitusPerceived phantom ear sounds

sweating · palpitations · fainting · weakness · fatigue · vomiting · pallor · clamminess · ringing ears · double vision

unsteadiness

Lack of firm balance

• wobblingMoving unsteadily, wavering
• staggeringShockingly impressive or unsteady
• swayingRhythmic lateral movement

tottering · lurching · teetering · stumbling · faltering · loss of balance · instability · coordination · equilibrium · inner ear

dehydration

Excessive fluid loss

• hypoglycemiaInsufficient blood glucose
• anemiaRed cell deficiency
• medicationTherapeutic substance for illness

infection · stroke · concussion · inner ear · blood pressure · fever · alcohol · heat exhaustion · anxiety · hyperventilation

• symptomsfever, headache, pain, nausea, rash
• bodily sensationspain, ache, tingling, burning, numbness
• body discomfortsitching, burning, stinging, aching, throbbing
• Body Sensationstension, fatigue, headache, pain, numbness
• body symptomsheadache, headaches, nausea, fatigue, weakness
• confusionconfusion, confused, bewilderment, perplexity, baffled