Itch causes: Difference between revisions
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* [[Diabetes Mellitus]] | * [[Diabetes Mellitus]] | ||
* [[Dandruff]] (an unusually large amount of flaking is associated with this sensation) | * [[Dandruff]] (an unusually large amount of flaking is associated with this sensation) | ||
* Drug Side Effect- [[acetaminophen]], [[caspofungin acetate]], [[Docetaxel]], [[Doxorubicin Hydrochloride]], [[Ergotamine tartrate]], [[Hydrocodone bitartrate and acetaminophen]], [[Ketorolac tromethamine]], [[Meropenem]], [[Mometasone furoate]],[[Naproxen sodium]], [[Piroxicam]], [[permethrin]], [[Ribavirin]], [[Tacrolimus]], [[Trimethoprim]], [[Von Willebrand factor]] | * Drug Side Effect- [[acetaminophen]], [[caspofungin acetate]], [[Docetaxel]], [[Doxorubicin Hydrochloride]], [[Ergotamine tartrate]], [[Ethambutol]], [[Hydrocodone bitartrate and acetaminophen]], [[Ketorolac tromethamine]], [[Meropenem]], [[Mometasone furoate]],[[Naproxen sodium]], [[Piroxicam]], [[permethrin]], [[Ribavirin]], [[Tacrolimus]], [[Trimethoprim]], [[Von Willebrand factor]] | ||
* [[Iron deficiency]] [[anemia]] | * [[Iron deficiency]] [[anemia]] | ||
* Parasitic infections | * Parasitic infections | ||
Revision as of 21:35, 16 January 2015
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]
Causes
The feeling of itchiness can be caused by a movement of hair or the release of a chemical (histamine) from cells under the skin. Itchiness is regarded as protective, as it helps creatures remove parasites that land on their skin.
Itching can be caused by:
- Xerosis. This is the most common cause, frequently seen in winters. Associated with older age, frequent bathing in hot showers or baths, and high temperature and low humidity environments.
- Skin conditions (such as psoriasis, eczema, sunburn, athlete's foot and many others). Most are of an inflammatory nature.
- Insect bites, such as those from mosquitos or chiggers.
- Allergic reactions to contact with specific chemicals, such as Urushiol from Poison Ivy or Poison Oak.
- Hodgkin's disease
- Jaundice (bilirubin is a skin irritant at high concentrations)
- Polycythemia, which can cause generalized itching due to increased histamine
- Scabies or infection with lice or worms
- Thyroid illness
- Diabetes Mellitus
- Dandruff (an unusually large amount of flaking is associated with this sensation)
- Drug Side Effect- acetaminophen, caspofungin acetate, Docetaxel, Doxorubicin Hydrochloride, Ergotamine tartrate, Ethambutol, Hydrocodone bitartrate and acetaminophen, Ketorolac tromethamine, Meropenem, Mometasone furoate,Naproxen sodium, Piroxicam, permethrin, Ribavirin, Tacrolimus, Trimethoprim, Von Willebrand factor
- Iron deficiency anemia
- Parasitic infections
- Psychiatric
- Medication:
- Allergy - (due to reaction of an individual's immune system to certain chemical compounds)
- Butorphanol
- Ceftazidime
- Photodermatitis – (sun)light reacts with chemicals in the skin, leading to the formation of irritant metabolites
- Directly (e.g. morphine)
- Other drugs- Ofloxacin, Tretinoin ,capsaicin, Rifampin
- Lovaza
- Sorafenib
- Triazolam
- Tazarotene
- Travoprost
- Cholestasis
- Related to pregnancy:
- Drug side effects: Acamprosate calcium, Acetaminophen, Acetylcysteine, Conjugated estrogens, Betamethasone valerate, Betamethasone dipropionate, Ipilimumab,Spironolactone, Hydrochlorothiazide, Ivermectin, Tolbutamide