1 Gout occurs when a substance called uric acid gathers in the knee, causing sharp pain. 2  Pseudogout can strike the knees after crystals of calcium pyrophosphate build up in the joints.  Septic arthritis, in which bacteria attack the joint, causes severe pain, swelling, and stiffness.
The list of signs and symptoms mentioned in various sources for Hydrocephalus includes the 41 symptoms listed below: 1  Headache. 2  Vomiting. 3  Nausea. 4  Raised intracranial pressure.  Papilledema - swelling of the optic disk, which is part of the optic nerve.
Symptoms of a subarachnoid haemorrhage. There are usually no warning signs, but a subarachnoid haemorrhage sometimes happens during physical effort or straining, such as coughing, going to the toilet, lifting something heavy or having sex. The main symptoms of a subarachnoid haemorrhage include: 1  a sudden agonising headache â which is often described as being similar to a sudden hit on the head, resulting in a blinding pain unlike anything experienced before. 2  a stiff neck. 3  feeling and being sick. 4  sensitivity to light (photophobia) 5  blurred or double vision.