Pink spinal fluid indicates presence of red blood cells, that aren't normally present.
This can be due to brain bleeding, jaundice, increased concentration of proteins (characteristic of viral meningitis), traumatic "tap".
It is important to be performed additional spinal taps to distinguish between traumatic tap and pathologic cause for pink spinal fluid.
The headache and nausea you are experiencing can be side effects of spinal tap, too.
Although rarely, the recovery from viral meningitis can be prolonged and some side effects can be permanent.
These include general fatigue, recurring headaches, problems concentrating, short-term memory loss, clumsiness, giddiness, balance problems, depression, violent temper outbursts, mood swings, bouts of aggression, learning difficulties, tinnitus (ringing in the ears), joint soreness or stiffness, visual problems such as double vision and cortical visual impairment, and the possibility of deafness, brain damage, or seizures.
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Best wishes!
Marija
