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Doctor insights on: How Can I Tell If I Have A Cold Or Allergies

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How can I tell if I have a cold or allergies?

How can I tell if I have a cold or allergies?

See below.: Sometimes, it's hard to tell the difference! if there's a fever, it's not allergies. Itchy nose or throat points more to allergies. The mucus membranes in your nose tend to get pale and pretty boggy with allergies, but that's something you'd have to have your doctor look at for you with a scope. ...Read more

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Dr. John Chiu
2,491 doctors shared insights

Allergies (Definition)

Allergies occur when your immune system is triggered by envirionmental factors it should ignore--for example, pollen in the air, or dander on a cat or dog--and creates cells to fight against them. An allergic reaction typically causes itching, congestion, or drainage, and ...Read more


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How can I tell if I have a cold, allergies or the flu? I had sneezing, fatigue, muscle pains, no fever, nausea, headaches, & dizzy past for few days.

How can I tell if I have a cold, allergies or the flu? I had sneezing, fatigue, muscle pains, no fever, nausea, headaches, & dizzy past for few days.

Cough ; congestion: Allergies often last longer and recur often. A cold does not recur and lasts for about a week or so. When you have this much coughing with nasal congestion and phlegm production, otc cold/sinus medication might relieve some of your symptoms. If it lasts for a long time, you have fever or produce colored phlegm, you should see a doctor. An allergist can sort this out for you. ...Read more

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What to do if I cannot tell if I have a cold or allergies?

What to do if I cannot tell if I have a cold or allergies?

Few ways to tell: Symptoms suggestive of a cold (viral infection): fever greater than 100.4 F, sick contacts, nausea/vomiting/diarrhea, winter time (more viral infections and less pollen in the air), lack of itching Symptoms suggestive of allergies: Itchy nose, itchy eyes, lack of fever, spring/fall, response to antihistamines, history of asthma/eczema ...Read more

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How can I tell if I have a cold, flu, or am suffering from seasonal allergies?

How can I tell if I have a cold, flu, or am suffering from seasonal allergies?

Length: How long have you felt "under the weather?" if only sick a couple of days or up to a week, it could be a cold (less likely the flu). The flu has many symptoms and usually includes a fever, chills, muscle aches, etc.. (very sick). Allergies are a constant or if they never go away or return the same time every year. ...Read more

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How do I tell the difference on whether I have a cold or allergies? And how to get rid of nasal congestion ?

Fever: The main difference between allergic congestion and a virus is that allergies don't cause fever. If you don't have a fever, look at the duration - congestion from a virus typically lasts less than a week. Nasal steroid sprays work best for the congestion of allergies; if severe, the use of decongestant nasal sprays for 5 days or less will offer the best relief. ...Read more

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How can you tell if you have a cold, a sinus infection or allergies?

How can you tell if you have a cold, a sinus infection or allergies?

Not easy: A cold is a runny nose and is caused by a rhino-virus. Occasionally chills and fever accompany this. Allergy may present with a runny nose, but is frequently accompanied by watery, itchy eyes and frequent sneezing. Sinusitis, is a more serious infection which can be caused by both a cold and allergy but is usually associated with pain and pressure in the face, headache and purulent nasal mucus. ...Read more

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Is there a way to know if I have a cold or allergies?

Is there a way to know if I have a cold or allergies?

Cold or allergies: Colds are commonly associated with fever and body aches, allergies do not have systemic symptoms except for fatigue. Nasal congestion usually is associated with sneezing and water itchy eyes. Allergies last longer than 3-5 days, the typical duration of a cold. ...Read more

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I just took a claritin (loratadine) about 6 hours ago and just took a zyrtec is that okay? Also Im not sure if I have a cold or allergies, I think its both :(. Ive been using the zicam hopefully it will make it go away. What do u suggest? thank u so much

I just took a claritin (loratadine) about 6 hours ago and just took a zyrtec is that okay? Also Im not sure if I have a cold or allergies, I think its both :(. Ive been using the zicam hopefully it will make it go away. What do u suggest? thank u so much

See your doctor: Or an allergist, seems your symptoms need more control and OTC drugs aren't working. No harm of combining claritin (loratadine) and zyrtec 6 hours apart, but don't repeat without doctor's advice. Zicam is controversial and the FDA issued a warning about using the product and there was a recall. Check aaaai.org or acaai.org for an allergist in your area, good luck ...Read more