What are the symptoms of vitamin overdose?

Answer 1

Excess of B group vitamins are very rare since the vitamin is excreted through urine. When assumed parenterally, i.e., injected, allergic reactions may ensue up to anaphylaxis, and overdose is more likely. Symptoms include CNS effects (tremors, tachycardia, vertigo), sweating, shortness of breath, itching. Long term overdosage has been reported to cause headache.

Extremely large doses (>300 mg per kg of body weight) may result in death.

Answer 2

The signs of a B vitamin deficiency include: pale skin, a sore tongue or bleeding gums, feeling sick to your stomach and weight loss, the feeling of being tired, weak and lightheaded. If the deficiency is left for too long extreme symptoms of depression, dementia, a poor sense of balance and numbness and tingling of the digits may occur.

Answer 3

The symptoms of vitamin D toxicity are nausea, vomiting, pain in the joints, and loss of appetite.

Answer 4

Overdoses of vitamin C can cause nausea, diarrhea , stomach cramps, skin rashes, and excessive urination.

Answer 5

Overdoses of vitamin E (over 536 mg) can cause nausea, diarrhea, headache , abdominal pain, bleeding, high blood pressure, fatigue, and weakened immune system function.