Tag Archives: urticaria

Reviewing Common Skin Rashes

Skin/Dermatology, , , , , , , , , , , , , , , , , , , , ,

Introduction

This Straight, No Chaser post reviews a few common skin rashes. The guide features in-depth discussion on several of them.

Common Skin Rashes

Here are a few of the more common skin rashes. There are many additional rashes and conditions not covered in this brief guide. This include patterns seen in sexually transmitted infections. If you have any questions or concerns about your condition, please consult a physician. Click the links for additional posts discussing them in detail.

Contact dermatitis

poison ivy

Have you ever been affected by poison ivy, poison oak or sumac? Has costume jewelry (most likely containing nickel) made you break out? Contact with chemicals to which the patient is allergic or with skin irritants cause this condition. Contact dermatitis can occur anywhere there’s contact with an irritant or allergen. It tends to be weepy and oozy. Furthermore, it may discolor this skin.

Diaper rash

Common skin rashes - diaper rash

Diaper rash is an irritant contact dermatitis caused by prolonged exposure to urine and/or feces. The rash occurs due to entrapment by a diaper or other restrictive garments. You’ll see it in the distribution of the diaper.

Drug eruptions

Common skin rashes - Drug eruptions

Drug eruptions represent a wide range of rashes brought on by antibiotics and other medicines. The lesions are mostly non-specific and will resolve with stopping use of the medicine.

Eczema (Atopic dermatitis)

Common skin rashes - eczema

The lesions of eczema are red itchy, weeping rashes. They are most commonly seen on the inner aspects of the elbows and in back of the knees. They also are seen on the cheeks, neck, wrists, and ankles. Eczema is commonly found in patients who also have asthma and/or hay fever.

Hives (urticaria)

Common skin rashes - hives

Hives are red bumps and wheals that commonly are causes by drug exposure. They appear and resolve suddenly, most typically in about eight hours. Due to the risk of recurrence and breathing difficulty, drugs and foods that cause these should be avoided once identified.

Miliaria (heat rash)

Common skin rashes - heat rash

Heat rash is caused by blocked sweat ducts, which occurs most commonly during hot and humid temperatures. These rashes resemble small blisters or acne-like lesions. Also, heat rash is more likely to occur in areas that can’t release heat as easily. These areas include the groin, elbow creases, under breasts and around the neck and upper chest. Getting to a cooler environment is often sufficient treatment.

Psoriasis

Common skin rashes - psoriasis

Psoriasis is recognizable due to silvery flakes of skin, most commonly occurring on the elbows, knees and scalp.

Seborrheic dermatitis

Common skin rashes - seborrheic dermatitis

Seborrhea is the most common adult rash. You’ll see a scaly, itchy and red rash that is most likely located on the scalp, forehead, eyebrows, cheeks, and ears. In infants, it may involve the scalp and diaper area.

Stasis dermatitis

common skin rashes - stasis dermatitis

Stasis dermatitis is often seen in individuals with poor circulation in the veins. It’s a weepy, oozy rash that occurs on the lower legs of those affected.

General Treatment Considerations

In the absence of other symptoms, it is perfectly reasonable to wait a few days to see if most rashes resolve on their own. Also, it’s reasonable to treat symptoms such as itching and dry skin with over-the-counter remedies.

Consider the following:

  • Anti-itch creams containing 1% hydrocortisone cream can be helpful.
  • Oral antihistamines, including diphenhydramine (eg. Benadryl) and hydroxyzine can be helpful for itching. However, you should be careful about side effects, including drowsiness, which can affect your function and operation of machinery.
  • Moisturizing lotions are always a good choice. They prevent the dryness and cracking of skin that can lead to infections.
  • Antifungal medications are useful for athlete’s foot, jock itch or other obvious common fungal infections. These medicines tend to contain clotrimazole (Lotrimin), miconazole (Micatin), or terbinafine (Lamisil).

If these measures aren’t successful, if the rash persists, or if it becomes more widespread, you should consider visiting a physician or dermatologist.

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Straight, No Chaser: What Would You Do If Your Tongue Suddenly Swelled? Learn About Angioedema

Endocrine/Metabolic, Head/Eyes/Ears/Nose/Throat, Skin/Dermatology, , , , , , , , , ,

angioedema

Here at Straight, No Chaser, we want you to know how to prevent disease and injury because that’s a lot easier than the alternative. However, if and when the time comes, you should also have a few tools in your arsenal to stave off a life-threatening situation. One of the more scary examples of needing help is acute swelling of your tongue, sometimes so much so that your airway appears as if it will be blocked.
The most common cause of acute tongue, lip or throat swelling is called angioedema. This is an allergic reaction and occurs in two varieties.

  • A life-threatening allergic reaction (anaphylaxis) sometimes occurs shortly after an exposure to substance such as medicine, bee or other insect stings or food. It can throw your entire body into a state of shock, including involvement of multiple parts of the body. This can include massive tongue swelling, wheezing, low blood pressure resulting in blackouts and, of course, the rash typified by hives (urticaria).
  • Sometimes lip, tongue and/or throat swelling may be the only symptoms.  This is more typical of a delayed reaction to certain medications, such as types of blood pressure medications (ACE inhibitors and calcium channel blockers), estrogen and the class of pain medication called NSAIDs (non-steroidal anti-inflammatory drugs, such as ibuprofen)

Angioedema-5

With any luck, you would already know you’re at risk for this condition, and your physician may have prompted you to wear a medical alert bracelet or necklace. In these cases, your physician may have also given you medicines and instruction on how to take them in the event you feel as if your tongue is swelling and/or your throat is closing. These medicines would include epinephrine for injection, steroids and antihistamines such as Benadryl. As you dial 911 (my recommendation) or make your way to the nearest hospital, taking any or all of these medications could be life-saving. By the way, those are the among the same medicines you’ll be treated with upon arrival to the emergency room. In severe cases, you may need to be intubated (i.e. have a breathing tube placed) to maintain some opening of the airway.

Angioedema_250x

If the swelling is (or assumed to be) due to any form of medication, symptoms will improve a few days after stopping it. If the swelling in this instance becomes severe enough, treatment may resemble that of the life-threatening variety.
There are few things better than cheating death. If you’re at risk, carry that injectable epinephrine (e.g. an Epi-pen). If you’re affected, take some Benadryl and/or steroids if you’ve been taught what dose to take, and most importantly, don’t wait to see if things improve. Get evaluated, get treated and get better!
I welcome your questions and comments.
Thanks for liking and following Straight, No Chaser! This public service provides a sample of what http://www.SterlingMedicalAdvice.com (SMA) offers. Please share our page with your friends on WordPress. We are also on Facebook at SterlingMedicalAdvice.com and Twitter at @asksterlingmd.
Copyright © 2014 · Sterling Initiatives, LLC · Powered by WordPress

Straight, No Chaser: What Would You Do If Your Tongue Suddenly Swelled? Learn About Angioedema

Health Prevention, Head/Eyes/Ears/Nose/Throat, , , , , , , , , , ,

Angioedema_250xAngioedema-5angioedema

Here at Straight, No Chaser, we want you to know how to prevent disease and injury because that’s a lot easier than the alternative. However, if and when the time comes, you should also have a few tools in your arsenal to stave off a life-threatening situation. One of the more scary examples of needing help is acute swelling of your tongue, sometimes so much so that your airway appears as if it will be blocked.
The most common cause of acute tongue, lip or throat swelling is called angioedema. This is an allergic reaction and occurs in two varieties.

  • A life-threatening allergic reaction (anaphylaxis) sometimes occurs shortly after an exposure to substance such as medicine, bee or other insect stings or food. It can throw your entire body into a state of shock, including involvement of multiple parts of the body. This can include massive tongue swelling, wheezing, low blood pressure resulting in blackouts and, of course, the rash typified by hives (urticaria).
  • Sometimes lip, tongue and/or throat swelling may be the only symptoms.  This is more typical of a delayed reaction to certain medications, such as types of blood pressure medications (ACE inhibitors and calcium channel blockers), estrogen and the class of pain medication called NSAIDs (non-steroidal anti-inflammatory drugs, such as ibuprofen)

With any luck, you would already know you’re at risk for this condition, and your physician may have prompted you to wear a medical alert bracelet or necklace. In these cases, your physician may have also given you medicines and instruction on how to take them in the event you feel as if your tongue is swelling and/or your throat is closing. These medicines would include epinephrine for injection, steroids and antihistamines such as Benadryl. As you dial 911 (my recommendation) or make your way to the nearest hospital, taking any or all of these medications could be life-saving. By the way, those are the among the same medicines you’ll be treated with upon arrival to the emergency room. In severe cases, you may need to be intubated (i.e. have a breathing tube placed) to maintain some opening of the airway.
If the swelling is (or assumed to be) due to any form of medication, symptoms will improve a few days after stopping it. If the swelling in this instance becomes severe enough, treatment may resemble that of the life-threatening variety.
There are few things better than cheating death. If you’re at risk, carry that injectable epinephrine (e.g. an Epi-pen). If you’re affected, take some Benadryl and/or steroids if you’ve been taught what dose to take, and most importantly, don’t wait to see if things improve. Get evaluated, get treated and get better!
I welcome your questions and comments.
Copyright © 2013 · Sterling Initiatives, LLC · Powered by WordPress

Straight, No Chaser: When Allergies Strike

Health Prevention, Skin/Dermatology, Medical Treatment, , , , , , , , , , ,

allergy
Bee stings.  Medication reactions.  Food allergies.  Latex.  Animals.  Dust.  Cosmetics.  What do these things have in common?  You get allergic to them, and in differing degrees, they make you come to me huffing and puffing and puffy and thinking about not breathing anymore.
The basis of allergies is that your body is trying to defend you from infections.  Sometimes our defense mechanisms are ‘inaccurate’, and the body overreacts to what normally might be harmless substances by producing a system wide reaction (antibodies) to certain triggers (allergens).  This overreaction leads to our bodies fighting a war that isn’t meant to be fought.  That manifests itself clinically by some subset of itchy rashes (wheals, urticaria or angioedema), shortness of breath, nausea, vomiting and other systemic systems.  Again, it’s important to note that this can be both a systemic overreaction or just a local reaction.
One question I commonly get asked is “Why I am allergic to this now?”  In other words, sometimes allergies occur after the initial exposure to seafood or peanuts, or maybe you had been stung by a bee in the past.  That occurs because the first allergic exposure doesn’t always cause a visible reaction.  However, it will sensitize the body such that you’re mobilized for subsequent exposures and will be prepared to ‘unload both barrels’ if it’s needed.  Unfortunately, this reaction can be itself life-threatening.  This life-threatening response is called anaphylaxis, and you’ll know it because more than one organ system of your body (heart palpations, breathing difficulties, gastric upset, itchy skin rashes, dizziness as your body goes into shock, etc.).
Although allergic reactions are more likely to occur in those with conditions like asthma, eczema, allergic rhinitis, seasonal allergies, and sleep apnea, to be clear, the acute allergic reaction is a different animal than seasonal allergies.  If you have any sensation that you’re short of breath, your throat feels like it’s closing, you have any dizziness or altered mental status, palpitations, or if the rash is diffuse and spreading, please get to your closest emergency room.  I wouldn’t be upset if you took the recommended dose of Benadryl along the way.
Final tip: Those of you who’ve suffered any type of allergic reaction to medication, food, animals, etc. should ask your physician about the utility of carrying an epipen, benadryl or steroids in the event of an emergency.  If your risk profile warrants it, any or all of these could prove life saving.  However, these medicines aren’t without risk, so you shouldn’t take any of them unless recommended by your physician.