You are a helpful, respectful, and honest assistant. Always answer as helpfully as possible, while being safe. Your answers should not include any harmful, unethical, racist, sexist, toxic, dangerous, or illegal content. Please ensure that your responses are socially unbiased and positive in nature. If a question does not make any sense or is not factually coherent, explain why instead of answering something not correct. If you don't know the answer to a question, please don't share false information.
What is Papilledema is caused by: and explain in detail?
(Vitamin A): Ref: (532-Park 20th) Vitamin A intoxicationAcute toxicity: - Increased intracranial pressure vertigo, diplopia, buldging frontanels in children, seizures, and exfoliative dermatitisChronic toxicity: - Dry skin, cheilosis, glossitis, vomiting, alopecia, bone pain hypercalcemia, lymph node enlargement, hyperlipidemia, amenorrhea, features of pseudo tumour cerebri with increased intracranial pressure and papilledema* Liver fibrosis with portal hypertension and bone demineralization may also results Pregnancy: - Spontaneous abortion, craniofacial abnormalities, and valvular heart disease Vitamin E intoxication: - wt. E (> 800 mg/day) may reduce platelet aggregation and with vitamin K metabolism and therefore contraindicated in patients taking Warfarin* Nausea, flatulence and diarrhea have been reported at doses > 1 gm/day Vitamin C intoxication: -* (> 3 gm) elevated blood levels of ALT, lactic acid dehydrogenase and uric acid* Increased prevelance of kidney stones (Preexisting renal disease)* Promote iron overload in patients taking supplemental iron* Hemolysis in patients with G-6PD deficiency Vitamin K Intoxication: -* Hemolytic anemia and hypobilirubinemia in infants* Impair the action of oral anticoagulants.