There's no denying to the many bacon lovers that bacon is delicious. But it's not very good for you -- in fact, it's one of the worst things you can eat. One average serving of bacon -- three slices -- contains 435 milligrams of sodium -- about one-fifth of the average adult's daily allowance [source: Magee].
A fever that develops from allergies is not caused by the allergic reaction, according to MayoClinic.com, but it is most likely a secondary infection caused by the allergic reaction. For example, someone who suffers from nasal allergies can develop chronic sinusitis, according to MedlinePlus.com.
Hay fever: Also known as allergic rhinitis, it can cause: Sneezing; Runny or stuffy nose; Itchy eyes, nose or roof of mouth; Red, swollen, watery eyes -- a condition known as allergic conjunctivitis; Food allergies: You may feel tingling in your mouth. Your tongue, lips, throat, or face might swell up. Or you could get hives. In the worst cases, you might have anaphylaxis and will need medical help right away. Eczema: Also known as atopic dermatitis, it is a skin condition. Most types of eczema are not allergies. But the disease can flare up when you're around things that cause an allergic reaction. Your body's immune system overreacts to substances, called allergens, that are usually not harmful. You might get hives, itching, swelling, sneezing, and a runny nose.