Causes for the condition extend beyond smartphones and gaming consoles to include activities like golf, racket sports, and lifting.Symptoms of BlackBerry thumb include aching and throbbing pain in the thumb and wrist. In severe cases, it can lead to temporary disability of the affected hand, particularly the ability to grip objects.One hypothesis is that the thumb does not have the dexterity the other four fingers have and is therefore not well-suited to high speed touch typing. See also
Mobile phone overuse
Nomophobia

References


== External links ==
Feeding bites
Feeding bites have characteristic patterns and symptoms, a function of the feeding habits of the offending pest and the chemistry of its saliva. Microscopic appearance
The histomorphologic appearance of insect bites is usually characterized by a wedge-shaped superficial dermal perivascular infiltrate consisting of abundant lymphocytes and scattered eosinophils. This appearance is non-specific, i.e. it may be seen in a number of conditions including:
Drug reactions,
Urticarial reactions,
Prevesicular early stage of bullous pemphigoid, and
HIV related dermatoses. See also
List of biting or stinging arthropods
Spider bite
Insect bite relief stick
Schmidt sting pain index
Bee  sting
Allergy

References
External links

Venomous Arthropods chapter in United States Environmental Protection Agency and University of Florida/Institute of Food and Agricultural Sciences National Public Health Pesticide Applicator Training Manual
Burns, Boyd (Bo) D (2020-12-06). "Insect Bites: Background, Pathophysiology, Epidemiology". Medscape Reference. Retrieved 2021-01-22.