If you're concerned about hepatitis C, talk to your doctor. Hepatitis C can be diagnosed by a blood test. Treatment may include medications to help clear the virus from the bloodstream and ultimately cure you of hepatitis C. With.
Insect stings or bites on dogs can cause the following symptoms: 1  Swelling of the eyelids at the site of the sting or bite. 2  Swelling of the ear flaps at the site of the sting or bite.  Swelling of the lips, or in severe allergic reactions, the entire face â a condition called angioedema.
Enlarged lymph nodes can be caused by infection, immune disorders or cancer. Skin tumors around the neck region can also cause the appearance of a swollen neck. If your dog is also chewing at her skin it may mean that the swelling and the itching are due to an underlying allergy or skin infection. Some pets are allergic to their collars which can appear as a circular area of hair loss and irritation around the neck.