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Yes, they're contagious. If someone has a cold sore and you drink out of their cup you could easy be contaminated.

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11y ago
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13y ago

Allergies can cause a cold sore outbreak.

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Q: Could you get cold sore from allergies?
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Related questions

How do people get Sore throat?

Sore throats are most commonly caused by a virus such as strep, a cold, the flu, and mono. A sore throat could also mean you need to get your tonsills removed, It could also mean Allergies or in rare cases, throat cancer


What is a bad sore throat?

strep allergies it could be a variety of things.


What happens if you pick at your scab from a cold sore?

it could spark an infction or re inspire the cold sore


Can you make out when you have a cold sore?

I'm sure that you could, but you would pass on the cold sore. so I wouldn't :)


What are the systoms of sore throat weak and tired?

The symptoms of a sore throat, being weak, and tired are symptoms in themselves. You may have strep throat, allergies or just a cold.


If you have swollen lymph nodes and a cold sore what could it be?

A cold sore itself can cause swollen lymph nodes.


Can you get lickd out with a cold sore?

If someone performing oral sex on you has a cold sore, you could get cold sores on your genitals. Another name for that condition is genital herpes.


Should you pop your fever blister?

Popping a cold sore is not a good idea .The herpes virus could be in the fluid that comes out.The areas the fluids splash on could have a cold sore there.Dont pop it unless you have to.If you want it to go away,abreva is a good product.


Can allergies cause sore gums?

Allergic reactions or allergies can impact any part of the body. Sore, reddened gums can be commonplace with allergies. A prescription of Miracle Mouth can soothe and improve symptoms.


If you have both flu and cold symptoms what do you have?

You could have either a cold or the flu or both. Or, you could have allergies. See the related questions for information about the symptoms of cold and flu.


Can a fan blowing on face cause a cold sore?

If your lips get dried or or chapped from the fan blowing on you or if the fan makes the area super cold then it could possibly trigger a cold sore.


Can you use levocetrizine for cold?

This is more of an antihistimine type of medication, it also helps with allergies and hayfever. It probably won't work for a cold or cold sore. Colds and colds sores are caused by viruses.