Among the more common side effects of generic Oracea medication including diarrhea, headache, nausea and stomach upset; however, these problems are usually temporary. More serious side effects like blurred vision, severe abdominal pain, jaundice, flu symptoms, and mental problems such as confusion and disorientation may indicate an allergic reaction or some other complication and should be reported to a local physician as soon as possible. Like all tetracycline-based drugs, this med often results in an increased sensitivity to ultraviolet light (sunlight, tanning beds, etc.) and can result in an unusual susceptibility to sunburn so additional protection should be taken by people exposed to ultraviolet light sources.