Can allergies be caused by a fever?

Probably Not. Allergy is a chronic inflammatory disease that is not associated with fever. If fever is present this would suggest something other than allergy as the cause. Conversely fever does not cause allergy.
NO. Fever cannot cause allergies. Fever is just an elevation of body temperature, usually due to an infection such as influenza. A few things can cause fever, but fever cannot cause allergies.

Related Questions

Can allergies cause a fever and dizziness?

Not typically. Allergies can cause significant congestion, and sometimes if that congestion occurs within the ear, sufferers may feel slightly dizzy. But allergies should not cause fevers, and the two symptoms together seem like a different cause is at work. It's possible that allergies are underlying an infection, e.g. Sinus infection. If persistent, this would need evaluation. Read more...

Can seasonal allergies cause a very low grade fever? 99.0 at night? Is this something to be concerned about?

Body temperature. Everyone's baseline temperature varies. 98.6 f is the average temperature for most people. 99.0 f is normal for some people. There is nothing to worry about. Read more...

Can allergies cause fever in toddlers?

No. You would not get a fever with an allergic reaction. Skin may feel or look flushed, but the core temperature would not rise (thus no fever). If temperature is over 100.4, it is not just allergies, but could be something minor like a virus. Push fluids, have child rest and monitor for new symptoms. Read more...
Should not. By saying allergies i assume you mention seasonal your year round nasal congestion due to allergies. It should not cause fever unless there is a bacterial super infection or acute rhino sinusitis. Untreated allergic rhinitis or nasal allergy symptoms will increase risks of having acute bacterial rhino sinusitis. You should take your child for a doctor visit to make sure there is nothing serious. Read more...

Can my son's food allergies cause fever?

Not directly. Allergies do not cause fevers but secondary conditions related to allergies can cause fevers such as ear infections that resulted from fluid behind the ear drum that becomes infected. Read more...