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Doctor insights on: Is There A Difference Between Heat Hives And Hives

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Is there a difference between heat hives and hives?

Is there a difference between heat hives and hives?

Yes: Urticaria, "hives" are itchy, raised red bumps that typically move around from one skin site to another and last less than 24hrs in one location (hives can occur daily, but typically come and go). Cholinergic urticaria "heat hives" are hives that occur when the body is overheated by exercise. Raising the body temperature more than 0.7 degrees (hot bath) may be sufficient to trigger "heat" hive. ...Read more

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Dr. Andrew Berry
3 doctors shared insights

Hives (Definition)

A condition characterized by an outbreak of red bumps that appear quickly after exposure to certain allergens (foods, medications, or other substances). They can vary in size, are itchy, can burn, and can last for up to ...Read more


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Is there a connection between heat intolerance and asthma?

Is there a connection between heat intolerance and asthma?

Yes: Heat intolerance (i presume more than usual) relates to abnormal adaptation and isperceived in the lower part of the brain. An unbalanced signal through the autonomic system to the bronchial tubes causes asthma. Both are related to inefficient metabolism in brain. Commest cause is "junk"diet. See my blog "oxygen the spark of life" that you can google. ...Read more

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What is the difference between a heat rash and an allergic reaction?

What is the difference between a heat rash and an allergic reaction?

Caused by heat: Heat rash is caused by heat. It has a variety of presentations, most common being red bumps with small vesicles that are easily ruptured. Contact dermatitis is extremely itchy and is localized to areas that are exposed to the offending agent. It is always red and swollen and sometimes has small vesicles with the affected area. ...Read more

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Is there a connection between sarcoid and cold urticaria?

Is there a connection between sarcoid and cold urticaria?

No: They are caused by totally different mechanisms as far as we can understand since the exact mechanism for either condition is not entirely clear even though we have a lot of information on them. ...Read more

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Is there a correlation between arthritis and urticaria?

Is there a correlation between arthritis and urticaria?

Could be: Urticaria or hives could be caused by an autoimmune process. Arthritis can also be caused by an autoimmune process so therefore there could be a connection or a common denominator between the two diseases. ...Read more

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What is the difference between dermographism and hives?

What is the difference between dermographism and hives?

Both signs of allerg: Dermatographism is the welting up of skin when it is stroked with a dull object such as a fingernail. The welt will be exactly the same pattern as what is "drawn" on the skin. Hives are spontaneous welts, usually circular that occur when someone is exposed (usually by eating) something they are allergic to. They are both seen in allergic people. ...Read more

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What is the difference between rosacea and a rash?

What is the difference between rosacea and a rash?

Pustules: Rosacea is on the face has blood vessels redness and posible pustules, typically there is no scaling or dryness. ...Read more

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Dr. Alan Ali Dr. Ali
2 doctors agreed:
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Is there any connection between a rash and anxiety?

Dr. Alan Ali Dr. Ali
2 doctors agreed:
Is there any connection between a rash and anxiety?

Rash: Also the opposite applies; rash can make you worried & more anxious especially if you have anxiety disorder to begin with. ...Read more

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What is the difference between hives and a tick bite?

What is the difference between hives and a tick bite?

Hives last < 1 day: Hives & insect bites itch but otherwise are very different. Bites last for days. A hive fades away in hours although it may be replaced by other hives. Tick bites are usually solitary; you'll usually have a lot of hives. Bites are red, raised, hot & hard. There may be two indentations close together where the tick inserted its teeth. Hives are raised, warm with pale centers and red edges. ...Read more

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Is there a difference between histamine and methacholine?

Is there a difference between histamine and methacholine?

Yes different: Histamine a compound that is released by cells in response to injury and in allergic and inflammatory reactions, causing contraction of smooth muscle and dilation of capillaries. Methacholine is a synthetic choline ester that acts as a non-selective muscarinic receptor agonist in the parasympathetic nervous system. both are use to test for airway reactivity in asthma. ...Read more

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What is the difference between pruritus and urticaria?

What is the difference between pruritus and urticaria?

Similar : Pruritus means itching (and not necessarily a rash) while urticaria refers to an itchy rash that is raised, red, round to oval lesions that come and go. The problems that cause itching (pruritus) without a rash can be different than the causes of hives (urticaria). ...Read more

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What is the difference between diaper rash and allergic reaction?

What is the difference between diaper rash and allergic reaction?

Diaper rash: is a generic term, can include allergic reaction (allergic contact dermatitis) to the diaper material, rare, most commonly is a fungal infection to the diaper area due to wetness, after antibiotics usage, etc., your best bet is to keep the area as dry as possible and use protective creams, if the rash persists please see your doctor ...Read more

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Is there any connection between hives and leukemia?

May be!: We see patients with hives very often. Sometimes we can identify an allergen that could be responsible. Very often no agent responsible for the rash could be identified. Conditions related to abnormal nature of our cells such as autoimmune cells or cancer cells can possibly be associated with hives. ...Read more

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Is there a correlation between asthma and eczema?

Is there a correlation between asthma and eczema?

Yes: Both eczema and asthma can occur due to an allergic etiology. So, the 2 conditions can have the same etiology in a given patient. ...Read more

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What is the difference between a rosacea and a lupus rash?

What is the difference between a rosacea and a lupus rash?

Big difference: Rosacea tends to be a reactive process in response to various stimulants that may eventually produce long term skin changes such as rhinophyma that are commonly treated with avoidance and antibiotics whereas lupus is associated with a "butterfly" rash that is a manifestation of an underlying autoimmune disease that are commonly treated with steroids. ...Read more

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What is the difference between heat rash and sun poisoning rash?

What is the difference between heat rash and sun poisoning rash?

Heat rash: Heat rash occurs in the folds of the skin such as waist, underarms, etc. Sun poisoning or sensitivity is just that, more related to direct contact with sunshine. ...Read more

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What is the difference between acne and an allergic reaction?

What is the difference between acne and an allergic reaction?

Many: An allergic reaction is due to an immunoglobulin called ige and involves histamine and other mediators or chemicals produced in the body. Acne is a an inflammatory process involving the sebaceous follicles and androgen, a hormone. Acne can also manifest in noninflammatory forms but does not involve the chemicals of an allergic reaction or ige which is the lynchpin of an allergic reaction. ...Read more

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Is there a connection between rosacea and eczema?

Is there a connection between rosacea and eczema?

No: Rosacea can occur along with scaling on the face in the form of seborrheic dermatitis. Classical eczema occurs on the neck, extremities. This combination of rosacea amd seborrheic dermatitis may require treating both conditions with oral doycyline and a weak topical steroid. ...Read more

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Is there a difference between heat hives and hives?

Yes: Urticaria, "hives" are itchy, raised red bumps that typically move around from one skin site to another and last less than 24hrs in one location (hives can occur daily, but typically come and go). Cholinergic urticaria "heat hives" are hives that occur when the body is overheated by exercise. Raising the body temperature more than 0.7 degrees (hot bath) may be sufficient to trigger "heat" hive. ...Read more

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Is it possible for me to keep from getting the hives from the heat again?

Antihistamines: Heat induced hives are possible but rare. Keeping your body temperature in a normal zone is the key. Avoid overheating by wearing loose clothes that wick your sweat. Antihistamines may be needed. ...Read more

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How to know it is hives or a heat rash?

Appearance: Can be differentiated by appearance. Hives: flat, raised, and consistently changing location in unpredictable pattern. Respond to antihistamine (if not, allergist can help) Heat rash (miliaria) caused by skin irritation when sweat pores are blocked. Papular (more brail-like) sometimes with blistering, goosebumps, or pustules and more diffuse redness. Anhydrous lanolin helps (and keeping cool) ...Read more

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Started eating mostly fruits and no junk, symptoms felt better for heat hives. symptoms gradually started a month after starting junk a year ago. why?

Started eating mostly fruits and no junk, symptoms felt better for heat hives. symptoms gradually started a month after starting junk a year ago. why?

Food Allergy: Food allergies are more common that we think. Hives can be a sign of an allergic response to an irritant. Keep up the good work by removing foods that have caused you to feel unwell. You may want to seek allergy testing. Ask your primary care physician for assistance. ...Read more

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My son has a rash it looks like hives or a heat rash what can I do?

My son has a rash it looks like hives or a heat rash what can I do?

Hives: He could be allergic to some kind of food por is he on any medication? OTC lotion or cream Might help but if persistent Take him to his doctor for evaluation. ...Read more

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Does sweating a lot and habitually wearing tight clothe trigger heat hives? Highly doubt poral occlusion since it’s been several months.

Yes: Yes, urticaria (hives) can flare with heat, humidity, exercise, stress, and physical pressure (tight clothing). Oral antihistamines can help with the hives and itching. ...Read more

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I am breaking out with hives all over my body. How can you tell if it is bites, heat rash, or hives?

Yes: Yes to all since the description is so vague. Perhaps you can attach a picture and tell us how long have you had this problem ...Read more

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When I get hot, my body stings and it itches. I tend to get black marks. I don't think it's heat hives. I get these marks on my back and chest. Help?

When I get hot, my body stings and it itches. I tend to get black marks. I don't think it's heat hives. I get these marks on my back and chest. Help?

More details.: How long have you had this problem? Are the marks black and not red at all? How long does each of the mark stay with you? Do these marks appear when you are exercising or taking a hot shower or only during the cooling down period? ...Read more

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Thought I was fighting bed bugs. After removing, washing, heat drying, freezing, spaying, & fruitless traps I'm still getting welts. Are these hives?!

Thought I was fighting bed bugs. After removing, washing, heat drying, freezing, spaying, & fruitless traps I'm still getting welts. Are these hives?!

Possibly so. : "Hives" are also known as urticaria which are varied sized, raised areas of skin with or without redness. It is your immune system reacting to some internal or external stimulus. ...Read more

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I get hives and rashes when my body gets heat or exposed to sun etc.., and it's itching a lot like needles poking.please suggest me some help?

Physical urticaria: Cholinergic urticaria is not allergy. There is direct stimulation of twitchy mast cells when you are sweaty. Antihistamine will help. Zyrtec is best. Generic cetirizine is the same thing for less cost. Standard dose is 1 pill [10mg] a day. Some people take 2 or 3. Even 3 a day is usually well tolerated but a few people will feel drowsy. ...Read more

Dr. Al Hegab Dr. Hegab
2 doctors agreed:
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Today it was 80d and the outdoors heat made me have red splotches on my face as well as hives on my neck. Allergic to heat? Med for this? Very annyng

Dr. Al Hegab Dr. Hegab
2 doctors agreed:
Today it was 80d and the outdoors heat made me have red splotches on my face as well as hives on my neck. Allergic to heat? Med for this? Very annyng

Could be: avoid heat if you can, try a non-sedating OTC antihistaminic, take it at night though, might still cause sedation, or don't drive or operate machinery for the first doses till you make sure it is non-sedating, if that doesn't work see an allergist, good luck ...Read more

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What's happening chemically in the body when you break out in hives and severe itching/stinging from heat? Cholinergic urticaria. How is this happen?

Vasoactive Amines: Your body is more reactive to the heat and releases chemicals that cause urticaria. This answer in part depends on the rest of your health. Your body releases these chemicals known as vasoactive amines that cause the swelling and itching that you see with your urticaria ...Read more

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Are a few hives & facial heat, flushing reasons to go to the ER or call 911? I didn't know what i was reacting to but was fine after taking xyzal (levocetirizine).

Are a few hives & facial heat, flushing reasons to go to the ER or call 911? I didn't know what i was reacting to but was fine after taking xyzal (levocetirizine).

Hive flushing: If you were fine, i don't think a trip to the er is necessary. More severe symptoms such as wheezing, shortness of breath, low blood pressure or throat swelling would be concerns that need to be addressed at the er. I recommend you see and allergist/immunologist and consider getting an epipen, (epinephrine) Adrenaclick or Auvi-Q for anaphylaxis treatment. ...Read more

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I wear ice pack vest and neck wrap when exercising or going outside in warm weater due to heat hives. any health precautions from this?

No, but U may-: -want 2 add an antihistamine as well. U have 2 B careful since it is hard 2 warm up with the ice. B sure U consult an allergist 4 other recommendations. ...Read more

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My daughter had a heat rash on back so put onsie on later gave her sweet potatoes now has hives laundry deter. Or sweet potatoes what do I do?

My daughter had a heat rash on back so put onsie on later gave her sweet potatoes now has hives laundry deter. Or sweet potatoes what do I do?

Rash: The heat rash may have made your childs skin more prone to getting hives. Was the onesie new and did you wash the onesie before putting it on? Was the detergent new.?The heat rash may have been the fore runner of the hives. Stop the sweet potatoes and once the rash clears you can challenge your child by reintroducing the sweet potatoes and see if she breaks out. New unwashed clothes may cause rash. ...Read more

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Tiny raised bumps on my forehead and neck, little itching. My trunk and back look like a small heat rash typically at night. Is this hives?

Hives: A hive lesion does not last for more than 24 hours. If those raised itchy bumps on your skin move from one place to another within a day, they sound like hives. When you don't have lung or GI symptoms, simple otc antihistamine would help in most cases. If you have hives more than 6 weeks, you need to see a physician to be evaluated for chronic hives or chronic urticaria. ...Read more

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No rash. No hives. Itch so deep in hands and feet. Only at night. Extreme heat and extreme cold relieves it. no psoriasis eczema or allergy. Help me?

No rash. No hives. Itch so deep in hands and feet. Only at night. Extreme heat and extreme cold relieves it. no psoriasis eczema or allergy. Help me?

See doctor: Itching is a more complex issue than just something caused by histamine release. Nonetheless it does not hurt to try an antihistamine up to 4 x daily (higher than usual) to see if it helps. If not,you will need to consult a dermatologist or allergist . There are many approaches to find out and treat an itchy disorder which something we allergists see regularly. ...Read more