Bug Bites That Spread When You Itch?

Bug Bites That Spread When You Itch? However, bites rarely cause a severe allergic reaction, unlike insect stings. The following may indicate a severe allergic reaction: an often blotchy rash can spread to other parts of the body. What happens when a bug bite spreads? Cellulitis can develop when bacteria on your body gets through

Can You Give A Dog Benadryl For A Spider Bite?

Can You Give A Dog Benadryl For A Spider Bite? Benadryl, an over-the-counter antihistamine, counters swelling and itching. Keep in mind that this over-the-counter medication also causes drowsiness as a side effect. A safe dose is one milligram for every pound your pet weighs, or a Benadryl ointment can be used directly on the sting.