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Doctor insights on: What Can Cause A Red Rash That Lasts For More Than Three Weeks

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Dr. John Chiu
2,673 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


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Can whole body itching and skin redness (rash-like when touched) from cipro (ciprofloxacin) last for more than a week?

Can whole body itching and skin redness (rash-like when touched) from cipro (ciprofloxacin) last for more than a week?

Unlikely...: The abx should be out of your system by now, and the skin reaction should at least be fading. If not, consider reviewing your current med list to find your culprit - good luck. ...Read more

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I am having rash on arm, chest and shoulders, skin redness or irritation and skin rash (episodic itchiness, uniform tiny bumps, skin colored mostly). A nurse said it was allergic reaction & gave me centraben cream. Can allergy last more than a week?

I am having rash on arm, chest and shoulders, skin redness or irritation and skin rash (episodic itchiness, uniform tiny bumps, skin colored mostly). A nurse said it was allergic reaction & gave me centraben cream. Can allergy last more than a week?

Yes: If you are exposed to the item to which you are allergic, the symptoms will persist, even for years. It would be prudent to consult your doctor.
For good health - Have a diet rich in fresh vegetables, fruits, whole grains, milk and milk products, nuts, beans, legumes, lentils and small amounts of lean meats. Avoid saturated fats. Drink enough water daily, so that your urine is mostly colorless. Exercise at least 150 minutes/week and increase the intensity of exercise gradually. Do not use tobacco, alcohol, weed or street drugs in any form.
Practice safe sex, if you have sex.
Get HPV vaccine ...Read more

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What would cause a bumpy red rash just on the outside of the elbows, and on one more than the other?

What would cause a bumpy red rash just on the outside of the elbows, and on one more than the other?

Well: Rashes like this in general can be non-specific inflamation infection or contact dermatitis. Recommend Healthtap consult with pictures to get a specific diagnosis and treatment ...Read more

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I have a red scaly odd oval shaped rash on my leg, just below the knee. This occurred after I fell on a concrete step last November which caused a hem?

I have a red scaly odd oval shaped rash on my leg, just below the knee. This occurred after I fell on a concrete step last November which caused a hem?

Rash: It is almost impossible for us here on health tap to tell what the rash is because we can't see it. Your best bet is to go to the doctor and get specific treatment for this rash. ...Read more

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What could be diagnosis for having rashes at the back, dry cough for more than a month, fatigue, redness of face and weight loss? Male, 50s

What could be diagnosis for having rashes at the back, dry cough for more than a month, fatigue, redness of face and weight loss? Male, 50s

Dry cough: From smoking or allergies/ postnatal drainage. Fatigue, weight lost and rash warrants a visit to your physician. You need complete physical examination and lab work to rule out immune disorders, cancer, thyroid issues and other medical conditions. ...Read more

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What could be diagnosis for having non-itchy rashes at the back, dry cough for more than a month, fatigue, redness of face and weight loss? Male, 50s

What could be diagnosis for having non-itchy rashes at the back, dry cough for more than a month, fatigue, redness of face and weight loss? Male, 50s

Have it evaluated: It is impossible to say without being able to do a physical exam and know the results of x rays and lab studies. The cough needs evaluation in a smoker because of the high risk of major lung issues. See a doctor soon. ...Read more

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I have had a rash on various body parts for the last four days that presents as red, itchy welts that then turn hot and cause muscle pain. Any ideas?

I have had a rash on various body parts for the last four days that presents as red, itchy welts that then turn hot and cause muscle pain. Any ideas?

Could be drug allerg: Drug allergies are a common cause of an itching rash. If you are taking any new medicines lately added, stop it for a couple of days. In the meantime, you can use Benadryl (diphenhydramine) once or twice a day...It might help reduce the allergy. But it can also make you sleepy, so take it at night and see if it helps. ...Read more

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At night after falling asleep my hands and feet become very itchy - it wakes me up - been the last 5 nights in a row - no redness / blisters or rashes?

At night after falling asleep my hands and feet become very itchy - it wakes me up - been the last 5 nights in a row - no redness / blisters or rashes?

Restless leg syndrom: You may be suffering from restless leg syndrome which can occasionally affect the arms as well. There are effective treatment for this condition but you will need to consult your doctor to confirm the diagnosis and obtain the treatment. ...Read more

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Can herpes or a vaginal yeast infection cause a skin rash throughout the body? I have a skin rash that develops first with an itch and then a round red bump appears. The first few where limited to my lower left arm and looked more like bites but then dis

Can herpes or a vaginal yeast infection cause a skin rash throughout the body? I have a skin rash that develops first with an itch and then a round red bump appears. The first few where limited to my lower left arm and looked more like bites but then dis

It: It would be very unusual for herpes or vaginal yeast infection to spread throughout the body. Other medical issues, such as MRSA (methicillin resistant staph aureus), eczema, psoriasis, pityriasis, or other dermatological issues can cause a rash on the body. Trying a mild anti-bacterial soap and mild lotion may be helpful, but if it is a worsening rash, or if the patient had fever or new symptoms, then the patient should be medically evaluated. ...Read more

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My daughter has red bumps all over her except her nose today I noticed three more on her chest, is this baby acne, eczema or heat rash?

My daughter has red bumps all over her except her nose today I noticed three more on her chest, is this baby acne, eczema or heat rash?

Red bumps: Not knowing your child's age I would rule out baby acne. Eczema doesn' t usually cause bumps. She might heat rash but could also have the hives. For heat rash cut down on room temperature and/ or clothes child is wearing. For hives you can try benadryl (diphenhydramine). ...Read more

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Very dry rashes on my butt. They've been there for a while. They aren't red, more like white. They don't itch but they bother me! Please help?

Very dry rashes on my butt. They've been there for a while. They aren't red, more like white. They don't itch but they bother me! Please help?

Eczema or ringworm: If it's been there for a "while" (week? Month? Year?), it is likely to be in the eczema category, although it could be a ringworm (fungal infection). There are other, rarer possibilities. A dermatologist will be able to tell you which it is, and prescribe appropriate treatment. ...Read more

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Do cholesterol medication cause red rashes?

Do cholesterol medication cause red rashes?

Rash: Virtually any medicine can cause rash. It isn't particularly common w. Ith most cholesterol meds. ...Read more

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What causes my baby to have scaly red rashes during the winter?

What causes my baby to have scaly red rashes during the winter?

Atopic Dermatitis: What you are describing is probably atopic dematitis or "eczema". This is a dry sensitive skin type that can be affected by dry winter air. Simple measures include no soap, bathe every 2-3 days only, daily moisturizer like curel. In some cases, medications are necessary/helpful. Consult your pedi. ...Read more

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Can toxins and gall baller problems cause red ichy rashes on face?

Can toxins and gall baller problems cause red ichy rashes on face?

What toxins? ...: Many things might cause this. If you want the best chance for help, see a dermatologist. ...Read more

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Full body itching just came on in the last 2 hours. No rash, no redness, only new bites are from mosquitos that usually don't give me reactions?

Full body itching just came on in the last 2 hours. No rash, no redness, only new bites are from mosquitos that usually don't give me reactions?

Mosquitos: Sound like you have reactions now. Big ones out up there this time of year. Also other bugs that bite up there. Did you take anything or rub on anything for bites. Any hives? If so see Dr. ...Read more

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I've had circular rashes appear on my body recently and it seems to be spreading and heat seems to make them red and standout more. It won't go away?

I've had circular rashes appear on my body recently and it seems to be spreading and heat seems to make them red and standout more. It won't go away?

Generalized rash: The differential diagnosis of a generalized rash is large. You should schedule an appointment to visit a dermatologist as soon as possible. Certain factors are important such as whether the rash is raised or flat, itchy or not, involving the palms of the hands or the soles of the feet, or not. If the rash started in one location and spread to another, describe it to them, and your history and meds ...Read more

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Causes of redness in pubic area red rash bit of a burning after showering

Causes of redness in pubic area red rash bit of a burning after showering

This: This sounds like an allergic reaction. Are you using any new soaps, shower gels? Also consider the water, is it possibly to hot, and lastly was the area recently shaved, or waxed, if so this could be the cause. Try switching to a mild soap (i.e. Dove), lower the water temperature, and buy an after shave or after wax cream if applicable, and monitor for improvement.
If none of these things work, see your doctor for an evaluation.
Best of luck. ...Read more

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What is the cause of a "phantom itch? " it comes and goes in random parts of the body, and there's no visible irritation (rash, redness, etc.).

What is the cause of a "phantom itch? " it comes and goes in random parts of the body, and there's no visible irritation (rash, redness, etc.).

Normal: Everybody gets an occasional itch. Just watch tv and you see everybody scratching. Itch is an irritation of sensory nerves and is an abnormal minute electrical discharge you feel as itch. It is nothing to worry about. Your family doc can see you and discuss it if it becomes more severe. ...Read more

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Red rashes on arms on right arm. Causes?

Red rashes on arms on right arm. Causes?

Many possibilities: There are many types and causes of skin rashes. Several types of inflammatory conditions of the skin, allergic reactions, and sometimes bacterial, viral or fungal infections can cause rashes on the skin. Insect bites can also be the cause of a rash on the skin. Have it evaluated by a professional and get the appropriate treatment. ...Read more

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What is the oitment for dry red flaky rashes caused by allergy with make up? 5 days now. Is it dermatitis?

What is the oitment for dry red flaky rashes caused by allergy with make up? 5 days now. Is it dermatitis?

Contact Dermatitis: Contact dermatitis is a condition in which the skin becomes red, sore, or inflamed after direct contact with a substance. There are two kinds of contact dermatitis: irritant or allergic.
Irritant dermatitis is the most common type. It's caused by contact with cosmetics, and others. Treatment is with prescription strength topical cortisone such as Cloderm or Locoid (hydrocortisone butyrate) lotion. ...Read more

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What causes red rashes, and try topical creams and they r not working. It itching all thw time and hurts.

What causes red rashes, and try topical creams and they r not working. It itching all thw time and hurts.

Red rash: More information is needed for us to be able to help you. Write back as to where you get the rash, circumstances, medicine used, etc. ...Read more

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My baby's been developing small welts and redness on his face, looking a little like rash. What causes it?

My baby's been developing small welts and redness on his face, looking a little like rash. What causes it?

Infantile rash: This could be a number of things depending on the age of your child. Anything from erythema toxicum neonatorum to infantile acne are all potentially possible. I would recommend you have your pediatrician have a look first, and if your child is behaving like he/she is sick then sooner than later. ...Read more

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Skin hurts on and off for 6weeks but worse over the last to days no rash or redness my clothes at to painfull to ware?

Skin hurts on and off for 6weeks but worse over the last to days no rash or redness my clothes at to painfull to ware?

Dysesthesia: Diffusely painful skin without signs of irritation or inflammation is quite unusual. This dysesthesia would require an examination by your physician who will order a battery of blood tests checking electrolytes and mineral levels. If no abnormalities are found, could chronic stress play a role? If so, discuss this with your physician.. ...Read more

Dr. Cornelia Franz
1,059 Doctors shared insights

Rash (Definition)

A rash is a change to skin condition which can affect color, appearance, or texture. It may or may not ...Read more