Pityriasis: Difference between revisions
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{{Infobox medical condition | |||
| name = Pityriasis | |||
| synonyms = | |||
| pronunciation = | |||
| specialty = [[Dermatology]] | |||
| symptoms = [[Skin rash]], [[itching]], [[scaling]] | |||
| complications = | |||
| onset = | |||
| duration = | |||
| causes = Various, including [[fungal infection]], [[viral infection]], [[autoimmune disorder]] | |||
| risks = | |||
| diagnosis = [[Clinical examination]], [[skin biopsy]] | |||
| differential = [[Psoriasis]], [[eczema]], [[tinea]] | |||
| prevention = | |||
| treatment = [[Topical corticosteroids]], [[antifungal medication]], [[moisturizers]] | |||
| medication = | |||
| prognosis = Generally good with treatment | |||
| frequency = Common | |||
}} | |||
'''Pityriasis''' refers to a group of skin conditions characterized by scaly, flaking skin. It can occur in various parts of the body and can be caused by several different factors. The term "pityriasis" is derived from the Greek word "pityron", which means "bran". | '''Pityriasis''' refers to a group of skin conditions characterized by scaly, flaking skin. It can occur in various parts of the body and can be caused by several different factors. The term "pityriasis" is derived from the Greek word "pityron", which means "bran". | ||
==Types== | ==Types== | ||
There are several types of pityriasis, including: | There are several types of pityriasis, including: | ||
* [[Pityriasis rosea]]: A common skin condition that causes a rash. It usually begins as a large circular or oval spot on your chest, abdomen or back. | * [[Pityriasis rosea]]: A common skin condition that causes a rash. It usually begins as a large circular or oval spot on your chest, abdomen or back. | ||
* [[Pityriasis rubra pilaris]]: A rare skin disorder that causes constant inflammation and scaling of the skin. | * [[Pityriasis rubra pilaris]]: A rare skin disorder that causes constant inflammation and scaling of the skin. | ||
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* [[Pityriasis lichenoides]]: A rare type of rash that usually appears as small, raised spots on the skin. | * [[Pityriasis lichenoides]]: A rare type of rash that usually appears as small, raised spots on the skin. | ||
* [[Pityriasis versicolor]]: A common fungal infection that leads to small, discolored patches of skin. | * [[Pityriasis versicolor]]: A common fungal infection that leads to small, discolored patches of skin. | ||
==Causes== | ==Causes== | ||
The exact cause of pityriasis is unknown. However, it is believed to be caused by an overgrowth of the yeast [[Malassezia]] on the skin. Other factors such as genetics, immune system function, and environmental factors may also play a role. | The exact cause of pityriasis is unknown. However, it is believed to be caused by an overgrowth of the yeast [[Malassezia]] on the skin. Other factors such as genetics, immune system function, and environmental factors may also play a role. | ||
==Symptoms== | ==Symptoms== | ||
Symptoms of pityriasis can vary depending on the type, but may include: | Symptoms of pityriasis can vary depending on the type, but may include: | ||
* Red, scaly patches on the skin | * Red, scaly patches on the skin | ||
* Itching | * Itching | ||
* Discoloration of the skin | * Discoloration of the skin | ||
* Hair loss in the affected area | * Hair loss in the affected area | ||
==Treatment== | ==Treatment== | ||
Treatment for pityriasis depends on the type and severity of the condition. Options may include: | Treatment for pityriasis depends on the type and severity of the condition. Options may include: | ||
* Topical creams and ointments | * Topical creams and ointments | ||
* Antifungal medications | * Antifungal medications | ||
* Light therapy | * Light therapy | ||
* Oral medications | * Oral medications | ||
==See also== | ==See also== | ||
* [[Dermatology]] | * [[Dermatology]] | ||
* [[Skin disease]] | * [[Skin disease]] | ||
* [[Rash]] | * [[Rash]] | ||
==References== | ==References== | ||
<references /> | <references /> | ||
[[Category:Dermatology]] | [[Category:Dermatology]] | ||
[[Category:Skin conditions]] | [[Category:Skin conditions]] | ||
[[Category:Medical terminology]] | [[Category:Medical terminology]] | ||
{{stub}} | {{stub}} | ||
{{dictionary-stub1}} | {{dictionary-stub1}} | ||
{{No image}} | {{No image}} | ||
Latest revision as of 03:46, 4 April 2025
| Pityriasis | |
|---|---|
| Synonyms | |
| Pronounce | N/A |
| Specialty | Dermatology |
| Symptoms | Skin rash, itching, scaling |
| Complications | |
| Onset | |
| Duration | |
| Types | N/A |
| Causes | Various, including fungal infection, viral infection, autoimmune disorder |
| Risks | |
| Diagnosis | Clinical examination, skin biopsy |
| Differential diagnosis | Psoriasis, eczema, tinea |
| Prevention | |
| Treatment | Topical corticosteroids, antifungal medication, moisturizers |
| Medication | |
| Prognosis | Generally good with treatment |
| Frequency | Common |
| Deaths | N/A |
Pityriasis refers to a group of skin conditions characterized by scaly, flaking skin. It can occur in various parts of the body and can be caused by several different factors. The term "pityriasis" is derived from the Greek word "pityron", which means "bran".
Types[edit]
There are several types of pityriasis, including:
- Pityriasis rosea: A common skin condition that causes a rash. It usually begins as a large circular or oval spot on your chest, abdomen or back.
- Pityriasis rubra pilaris: A rare skin disorder that causes constant inflammation and scaling of the skin.
- Pityriasis alba: A common skin condition in children, which is characterized by colorless, round patches on the face.
- Pityriasis lichenoides: A rare type of rash that usually appears as small, raised spots on the skin.
- Pityriasis versicolor: A common fungal infection that leads to small, discolored patches of skin.
Causes[edit]
The exact cause of pityriasis is unknown. However, it is believed to be caused by an overgrowth of the yeast Malassezia on the skin. Other factors such as genetics, immune system function, and environmental factors may also play a role.
Symptoms[edit]
Symptoms of pityriasis can vary depending on the type, but may include:
- Red, scaly patches on the skin
- Itching
- Discoloration of the skin
- Hair loss in the affected area
Treatment[edit]
Treatment for pityriasis depends on the type and severity of the condition. Options may include:
- Topical creams and ointments
- Antifungal medications
- Light therapy
- Oral medications
See also[edit]
References[edit]
<references />
