This will lead to confusion and frustration. Loss of fear of humans and appearance of confusion are also common. Initial symptoms are fever, headache, drowsiness followed by disorientation and mental confusion. He began suffering from bouts of confusion and difficulty speaking. This was supposed to end decades of contradictions between stories which caused confusion to readers. This may appear as lack of concentration, confusion and anterograde amnesia. Confusion and protests caused chaos at airports. There are several possible reasons for this confusion. The result was widespread confusion and delay. It is experienced as forgetfulness, mild confusion, and irritability. There are several reasons for this confusion. Still others made the mistake of relying too heavily on background confusion in the image. Common symptoms include headache, confusion, and fatigue. Symptoms may include large bruises, fever, weakness, shortness of breath, confusion, and headache. Frequently reported symptoms include feeling very tired, confusion, and headaches.