After putting in a lot of effort on your hands-and-knees trying to get rid of the weeds in your garden, there's nothing worse ...

The effects range from a small itch to large-scale rashes. Interestingly, some people appear to be immune to the effects of poison oak. The cluster of three oak-like leaves are a hint you may be near ...

A poison oak rash looks like red, swollen bumps that may blister over. It often appears in a streaky pattern, since many people unknowingly brush up against the plant. To treat a poison oak rash ...