algesia
is a condition of abnormal and excessive sensitivity to touch, pain, or other sensory stimuli. (hyper- means excessive, and -esthesia means sensation or feeling)
Photophobia is a symptom of excessive sensitivity to light.
Hyperalgesia is an increased sensitivity to pain. -Answer found on Wikipedia
Some signs of corneal abrasion are excessive squinting, feeling of pain, and sensitivity to light. The eyes might actually tear and bleed in more extreme cases.
Hypoalgesia
A dolorimeter measures pain sensitivity or pain threshold by applying controlled pressure to a specific body part and recording the individual's response to the pressure applied. It is commonly used in research settings to study pain perception and sensitivity in different populations.
The first three symptoms of shingles are extreme sensitivity or pain in the broad band, sensitivity to light and flu. These symptoms can occur in the initial stage.
The condition of excessive sensitivity to stimuli is known as hypersensitivity. This can manifest in various ways, such as heightened emotional responses, exaggerated physical reactions, or increased sensitivity to sensory inputs like light, sound, or touch. Treatment may involve managing triggers, cognitive-behavioral therapy, and sometimes medication.
An algometer is a device for measuring pain-inducing stimuli, and the sensitivity to such stimuli.
Sensitivity to cold is often referred to as cold intolerance or cold sensitivity. It can manifest as discomfort or pain in response to exposure to cold temperatures.
Algesia is sensitivity to pain, especially the kind which is extreme and can be combatted with analgesic drugs.
Opioid hyperalgesia is a medical condition of people that suffer from pain sensitivity.