Doctor insights on: Photosensitivity rash

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Dr. William Singer
51 Doctors shared insights

Photosensitivity Rash (Overview)

Photsensitivity (PS) refers to the inflammation that results from the interaction of UVL with the immune response. There are a variety of causes: medications (topical or systemic), immune disorders (e.g. Lupus), and metabolic or syndromic. PS is distinguished from phototoxicity (sunburn).


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What causes photosensitivity rash?

What causes photosensitivity rash?

Many causes: Causes for photosensitivity) can be classified into 1) those caused by the presence of an underlying skin condition (eg., lupus); 2) chemicals/drugs topical or ingested which are photosensitizers (eg., tetracyclines, dyes); 3) genetic diseases (eg., xeroderma pigmentosa); 4) metabolic disorders (porphyrias) and 5) idiopathic (unknown). ...Read more

Dr. William Singer
51 Doctors shared insights

Photosensitivity Rash (Overview)

Photsensitivity (PS) refers to the inflammation that results from the interaction of UVL with the immune response. There are a variety of causes: medications (topical or systemic), immune disorders (e.g. Lupus), and metabolic or syndromic. PS is distinguished from phototoxicity (sunburn).


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I have recurring flares of rashes, joint pain, muscle aches, debilitating fatigue, dizziness. I have photosensitity and one episode of my WBC at 2.0 years back. My ANA is 6:40. I'm on plaquenil. Why are all my other antibodies neg for lupus?

I have recurring flares of rashes, joint pain, muscle aches, debilitating fatigue, dizziness. I have photosensitity and one episode of my WBC at 2.0 years back. My ANA is 6:40. I'm on plaquenil. Why are all my other antibodies neg for lupus?

Maybe SLE maybe not.: Diagnosis of rheumatologic disease is generally based on symptoms with support from lab. Sounds like you have a rheumatologic disease and are being treated with a rheumatologic agent perhaps by a rheumatologist. They can explain your particular situation better, but suffice it to say tests are not always right and a single test does not generally make or break a diagnosis. ...Read more

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What causes photosensitivity rash?

Many causes: Causes for photosensitivity) can be classified into 1) those caused by the presence of an underlying skin condition (eg., lupus); 2) chemicals/drugs topical or ingested which are photosensitizers (eg., tetracyclines, dyes); 3) genetic diseases (eg., xeroderma pigmentosa); 4) metabolic disorders (porphyrias) and 5) idiopathic (unknown). ...Read more

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What is the definition or description of: Photosensitivity rash?

What is the definition or description of: Photosensitivity rash?

Ultraviolet light: Photsensitivity (PS) refers to the inflammation that results from the interaction of UVL with the immune response. There are a variety of causes: medications (topical or systemic), immune disorders (e.g. Lupus), and metabolic or syndromic. PS is distinguished from phototoxicity (sunburn). ...Read more

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I have ANA 1:640, flares joint swelling w/redness, photosensitivity, rashes, sharp chest pain, raynauds, chronic dry mouth, eyes. Sed and CRP always neg. Why?

I have ANA 1:640, flares joint swelling w/redness, photosensitivity, rashes, sharp chest pain, raynauds, chronic dry mouth, eyes. Sed and CRP always neg. Why?

Lupus: Lupus is a chronic, autoimmune disease that can damage any part of the body (skin, joints, and/or organs inside the body). Chronic means that the signs and symptoms tend to last longer than six weeks and often for many years. In lupus, something goes wrong with your immune system, which is the part of the body that fights off viruses, bacteria, and germs ("foreign invaders, " like the flu). ...Read more

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My ANA is 1:320 all other labs r normal. Rheumatoglist says Stills. Is this possible with the + ANA? I have rashes, photosensitivity, fatigue

My ANA is 1:320 all other labs r normal. Rheumatoglist says Stills. Is this possible with the + ANA? I have rashes, photosensitivity, fatigue

See below: Do you have joint pains? If not there may be reason to reconsider the diagnosis. It may be useful to get a second opinion. See this site for info on Still's disease.

http://www. Mayoclinic. Org/diseases-conditions/adult-stills-disease/basics/definition/CON-20026609 ...Read more

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Can someone have lupus even if the only symptom is bilateraljoint pain in hands, shoulder, knees, wrist? (-)rashes, photosensitivity, weakness, fatigue, fever

Can someone have lupus even if the only symptom is bilateraljoint pain in hands, shoulder, knees, wrist? (-)rashes, photosensitivity, weakness, fatigue, fever

Of Course; ; Hope No: Lupus erythematosus is a notoriously variable disease process, from person to person ; time to time. Since which portions of their body the person's immune system is currently targeting, ; to what degree, varies widely, the consequences also vary widely. Even with high quality lab, diagnosis is problematic ; while treatment outcome, by only medications, can help, outcomes are rarely very good. ...Read more

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I eat fennel seed. After 1 mnth have eye rash outer part of both eyes. Possible photosensitivity? Very itchy, painful. Spf 60, no help. What to take?

I eat fennel seed. After 1 mnth have eye rash outer part of both eyes. Possible photosensitivity? Very itchy, painful. Spf 60, no help. What to take?

Prob allergy: You probably have developed an allergy. It could be eye makeup, eye lash color, face makeup or even foods etc. Many possibilities. First try it with no make up or if you must have make up use a hypo allergenic brand. ...Read more

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If you had a Positive Anti nuclear Antibody Test, Discoid Rash in Ears, Photosensitivity, more likely to be DLE than SLE? Feel I'm in Good health.

If you had a Positive Anti nuclear Antibody Test, Discoid Rash in Ears, Photosensitivity, more likely to be DLE than SLE? Feel I'm in Good health.

See a rheumatologis: These findings are a definite red flag. You should see a rhematologist to get a complete examination and the correct diagnosis. ...Read more

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I have recurring flares of rashes, joint pain, muscle aches, debilitating fatigue, dizziness. I have photosensitity and one episode of my WBC at 2.0 years back. My ANA is 6:40. I'm on plaquenil. Why are all my other antibodies neg for lupus?

Maybe SLE maybe not.: Diagnosis of rheumatologic disease is generally based on symptoms with support from lab. Sounds like you have a rheumatologic disease and are being treated with a rheumatologic agent perhaps by a rheumatologist. They can explain your particular situation better, but suffice it to say tests are not always right and a single test does not generally make or break a diagnosis. ...Read more

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Photosensitivity (Definition)

Oversensitivity of skin to light. Photosensitivity can be a side effect of medications or result from diseases, such as lupus. Treatment depends on the severity of the reaction and the cause. Photosensitivity can be prevented by avoiding skin ...Read more


Dr. John Chiu
2,661 Doctors shared insights

Rash (Definition)

A skin rash is a symptom in which a person has changes on part or all of his skin, such as color changes, bumps, blisters, oozing, peeling, ...Read more