It can cause liver damage or destruction of red blood cells, leading to a variety of symptoms including fatigue or jaundice -- yellow discoloration of the eyes and skin. [livestrong.com]

[…] amount Dryness, cracking lips (due to chronic overdose) Eye irritation Increased sensitivity of the eyes to light Irregular heartbeat Rapid heartbeat Bone pain Joint pain Muscle pain Muscle weakness Confusion, mood changes Convulsions (seizures) Fainting Fatigue [en.wikipedia.org]

15 ug/day ( 70yrs) Toxicity Hypervitaminosis D 5 times the AI is dangerous for infants, 10 times the AI for adults Calcification of soft tissue, growth retardation, excess calcium excretion via the kidneys (kidney stones), headaches, muscle weakness, fatigue [www2.highlands.edu]

[…] long-term overdose), eye irritation, or increased sensitivity to light (for eyes) Heart and blood Irregular or rapid heartbeat Muscles and joints Bone, joint, or muscle pain, or muscle weakness Nervous system Confusion, convulsions (seizures), fainting, fatigue [pharmacytimes.com]

[…] acid Overdose of folate and 20 mg of folic acid per day is fraught with violation of the kidneys, damage to the nervous system and the development of pernicious anemia. hypervitaminosis B12 Overdose of vitamin B12 or cyanocobalaminleads to weakness, fatigue [mymedinform.com]

loss (from long-term overdose) [3] Causes [ edit ] With few exceptions, like some vitamins from B-complex, hypervitaminosis usually occurs with the fat-soluble vitamins A and D, which are stored, respectively, in the liver and fatty tissues of the body [en.wikipedia.org]

Vitamin K can also adversely interfere with some antibiotics, as well as certain weight-loss drugs, such as olestra. [livestrong.com]

Vitamin D Vitamin D toxicity can lead to nonspecific symptoms, such as weight loss, increased urination and abnormal heart rhythms. [healthyeating.sfgate.com]

loss Patients should consult with their physician or pharmacist before taking any vitamins. [pharmacytimes.com]

Acute manifestation Headache, vomiting and dizziness, signs of ICT (Pseudotumor cerebri) b. Chronic intoxication Anorexia, dry Itchy skin, wt. loss, painful extremities, sparse hair, Hepatosplenomegaly, hypoplastic anemia and Benign I.C. [gradestack.com]

Disorders of Potassium, Magnesium, and Calcium Balance Also known as: Hyperkalemia, Hypokalemia, Hypermagnesemia, Hypomagnesemia, Hypercalcemia, Hypocalcemia Related conditions: Malnutrition, Acid-Base Disorders, Renal Failure Acute and Chronic, Hyperaldosteronism [clinicaladvisor.com]

Acute manifestation Headache, vomiting and dizziness, signs of ICT (Pseudotumor cerebri) b. Chronic intoxication Anorexia, dry Itchy skin, wt. loss, painful extremities, sparse hair, Hepatosplenomegaly, hypoplastic anemia and Benign I.C. [gradestack.com]

- extra amounts of vitamin D: extra amount of calcium detected in blood, loss of appetite, nausea, vomiting, slowed mental and physical development. - extra amount of vitamin E: hazardous effects on patients that take warfarin and statins - extra amounts [enotes.com]

[…] burning skin, or rash Yellow-orange areas of skin Sensitivity to sun (more likely to sunburn) Hair loss (from long-term overdose) Intestinal bleeding (from iron) Appetite loss Constipation (from iron or calcium) Diarrhea, possibly bloody Nausea and vomiting [en.wikipedia.org]

Features of hypercalcaemia include polyuria, polydypsia, vomiting, anorexia, lethargy, dehydration, constipation, hypertension, tetany and seizures. The traditional description of hypercalcaemia is stones, bones and groans. [patient.info]

Nonspecific symptoms, such as nausea, vomiting, diarrhea, and rash, are common with any acute or chronic vitamin overdose. [emedicine.medscape.com]

The extra amounts of each fat soluble vitamin can lead to the following symptoms, such that: - extra amount of vitamin A: headache, loss of appetite, nausea, blurred vision, dizziness, risk of hip fracture, severe birth defects, itchy and dry skin. - [enotes.com]

[…] skin Itching, burning skin, or rash Yellow-orange areas of skin Sensitivity to sun (more likely to sunburn) Hair loss (from long-term overdose) Intestinal bleeding (from iron) Appetite loss Constipation (from iron or calcium) Diarrhea, possibly bloody Nausea [en.wikipedia.org]

Symptoms of hypervitaminosis: thirst, nausea, vomiting, abdominal pain, constipation and diarrhea, polyuria. Overdose of vitamin causes an increase in blood pressure, pain in the back of his head. [mymedinform.com]

Taking high doses of retinol – more than 15,000 micrograms over a short period of time – can lead to nausea, vomiting, headaches, blurred vision and dizziness. [healthyeating.sfgate.com]

Acute toxicity causes dry, itchy skin, headache, nausea, loss of appetite and blurred vision. [wikilectures.eu]

Symptoms of hypervitaminosis: thirst, nausea, vomiting, abdominal pain, constipation and diarrhea, polyuria. Overdose of vitamin causes an increase in blood pressure, pain in the back of his head. [mymedinform.com]

Vitamin A In acute vitamin A toxicity, a history of some or all of the following may be present: Nausea Vomiting Anorexia Irritability Drowsiness Altered mental status Abdominal pain Blurred vision Headache Muscle pain with weakness Seizures In chronic [emedicine.medscape.com]

Symptoms of acute vitamin A toxicity include: drowsiness irritability abdominal pain nausea vomiting increased pressure on the brain Symptoms of chronic vitamin A toxicity include: blurry vision or other vision changes swelling of the bones bone pain [healthline.com]

Symptoms include: Headache Abdominal pain Nausea or vomiting Lethargy Visual changes Impaired consciousness Other features suggestive of raised intracranial pressure, such as bulging fontanelle (in an infant), papilloedema and diplopia, may also occur [patient.info]

It can cause liver damage or destruction of red blood cells, leading to a variety of symptoms including fatigue or jaundice -- yellow discoloration of the eyes and skin. [livestrong.com]

Hypovitaminosis K can lead to jaundice and anemia in the neonate. Hypervitaminosis K is extremely rare but when present may cause thrombophilia or hemolysis 3 . [radiopaedia.org]

The effects of vitamin K toxicity can include jaundice in newborns, hemolytic anemia, and hyperbilirubinemia. Toxicity also blocks the effects of oral anticoagulants. [emedicine.medscape.com]

Vitamin K toxicity can lead to jaundice, liver damage and anemia. High intake of supplemental vitamin K can interfere with anticoagulants, like warfarin. [healthyeating.sfgate.com]

These doses of VK can also increase risk of jaundice. Hypervitaminosis K, or VK toxicity, is fairly rare as the natural forms of VK, phylloquinone and menaquinone, are non toxic at very high dosage levels. Genes In contrast to... References 1. [link.springer.com]

Chronic intoxication Anorexia, dry Itchy skin, wt. loss, painful extremities, sparse hair, Hepatosplenomegaly, hypoplastic anemia and Benign I.C. Hypertension. c. Normally, vit. [gradestack.com]

Other symptoms can be quite nonspecific: Scaly seborrhoeic eczema Patchy hair loss Stomatitis Loss of appetite Nausea Vomiting Malaise Hepatosplenomegaly Liver failure Raised intracranial pressure Children can present with craniotabes, irritability, failure [patient.info]

[…] retina) Integrity of epithelia Lysosome stability Glycoprotein synthesis Deficiency: Night blindness, perifollicular hyperkeratosis, xerophthalmia, keratomalacia, increased morbidity and mortality in young children Toxicity: Headache, peeling of skin, hepatosplenomegaly [msdmanuals.com]

[…] and promote the development of osteoporosis. [5, 44] Manifestations of chronic vitamin A toxicity also include the following: Alopecia Erythematous dermatitis Skin desquamation Brittle nails Exanthema Cheilitis Conjunctivitis Petechiae Liver cirrhosis Hepatosplenomegaly [emedicine.medscape.com]

Erythematous dermatitis Skin desquamation Brittle nails Exanthema Cheilitis Conjunctivitis Petechiae Liver cirrhosis Hepatosplenomegaly Peripheral neuritis Benign intracranial hypertension Ataxia Papilledema Diplopia Hyperostosis Edema Hepatic hydrothorax [45] Hepatomegaly [emedicine.medscape.com]

The extra amounts of each fat soluble vitamin can lead to the following symptoms, such that: - extra amount of vitamin A: headache, loss of appetite, nausea, blurred vision, dizziness, risk of hip fracture, severe birth defects, itchy and dry skin. - [enotes.com]

Taking high doses of retinol – more than 15,000 micrograms over a short period of time – can lead to nausea, vomiting, headaches, blurred vision and dizziness. [healthyeating.sfgate.com]

Side effects that occur in the body when too much vitamin A is consumed include: severe growth retardation hair loss blurred vision the enlargement of the liver and spleen It may also result in bone pain. [fitday.com]

Neurologic effects include blurred vision and frontal headache, which is often the first sign of toxicity. [emedicine.medscape.com]

vision, augmentation of anti-clotting medications ) Vitamin K Two forms: Vitamin K 1 Phyllaquinones (plant source) and vitamin K 2 menaquinone (fish oils and meats) 80% of dietary vitamin K is absorbed The release of vitamin K from food requires bile [www2.highlands.edu]

irritation Increased sensitivity of the eyes to light Irregular heartbeat Rapid heartbeat Bone pain Joint pain Muscle pain Muscle weakness Confusion, mood changes Convulsions (seizures) Fainting Fatigue Headache Mental changes Irritability Flushing [en.wikipedia.org]

irritation, or increased sensitivity to light (for eyes) Heart and blood Irregular or rapid heartbeat Muscles and joints Bone, joint, or muscle pain, or muscle weakness Nervous system Confusion, convulsions (seizures), fainting, fatigue, headache, mental [pharmacytimes.com]

Skin and mucous membrane effects include erythema, eczema, pruritus, dry and cracked skin, angular cheilitis, conjunctivitis, palmar and plantar peeling, and alopecia. [emedicine.medscape.com]

erythema, hyperpigmentation, and scales around the neck) vitamin B 4 / adenine (no longer considered a vitamin !) [ufrgs.br]

The extra amounts of each fat soluble vitamin can lead to the following symptoms, such that: - extra amount of vitamin A: headache, loss of appetite, nausea, blurred vision, dizziness, risk of hip fracture, severe birth defects, itchy and dry skin. - [enotes.com]

Men 900 ug RAE/day, women 700 ug RAE/day Men 3000 IU/day, women 2330 IU/day Toxicity Hypervitaminosis A Caused by excess dosages ( 100 times RDA ) Can be fatal ( 13,000 times RDA ) Chronic : liver damage, hair loss, bone/muscle pain, loss of appetite, dry [www2.highlands.edu]

Chronic intoxication Anorexia, dry Itchy skin, wt. loss, painful extremities, sparse hair, Hepatosplenomegaly, hypoplastic anemia and Benign I.C. Hypertension. c. Normally, vit. [gradestack.com]

Acute manifestation Headache, vomiting and dizziness, signs of ICT (Pseudotumor cerebri) b. Chronic intoxication Anorexia, dry Itchy skin, wt. loss, painful extremities, sparse hair, Hepatosplenomegaly, hypoplastic anemia and Benign I.C. [gradestack.com]

The extra amounts of each fat soluble vitamin can lead to the following symptoms, such that: - extra amount of vitamin A: headache, loss of appetite, nausea, blurred vision, dizziness, risk of hip fracture, severe birth defects, itchy and dry skin. - [enotes.com]

Dryness, cracking lips (due to chronic overdose) Eye irritation Increased sensitivity of the eyes to light Irregular heartbeat Rapid heartbeat Bone pain Joint pain Muscle pain Muscle weakness Confusion, mood changes Convulsions (seizures) Fainting Fatigue Headache [en.wikipedia.org]

Neurologic effects include blurred vision and frontal headache, which is often the first sign of toxicity. [emedicine.medscape.com]

Signs of hypervitaminosis A: lack of appetite, runny nose, headache, nausea, vomiting, drowsiness and weakness unfounded. Chronic excess vitamin A can occurchronic administration of vitamin A, even in moderate doses. [mymedinform.com]

Acute manifestation Headache, vomiting and dizziness, signs of ICT (Pseudotumor cerebri) b. Chronic intoxication Anorexia, dry Itchy skin, wt. loss, painful extremities, sparse hair, Hepatosplenomegaly, hypoplastic anemia and Benign I.C. [gradestack.com]

The extra amounts of each fat soluble vitamin can lead to the following symptoms, such that: - extra amount of vitamin A: headache, loss of appetite, nausea, blurred vision, dizziness, risk of hip fracture, severe birth defects, itchy and dry skin. - [enotes.com]

Symptoms of hypervitaminosis are “flushing sensations”, taste changes and rarely, dizziness sweating and rapid and weak pulse. Vitamin K will NOT reverse the anticoagulant effects of heparin. [oacapps.med.jhmi.edu]

Taking high doses of retinol – more than 15,000 micrograms over a short period of time – can lead to nausea, vomiting, headaches, blurred vision and dizziness. [healthyeating.sfgate.com]

It contains the basics (Bioorganic and Biophysical Chemistry, Tools of Biochemistry, Immunology, and Genetics) for beginners to learn easily Biochemistry, origins of biochemical words, confusables in Biochemistry, principles of Practical Biochemistry, [books.google.com]

[…] compromises: Cloudy urine Frequent urination Increased urine amount Dryness, cracking lips (due to chronic overdose) Eye irritation Increased sensitivity of the eyes to light Irregular heartbeat Rapid heartbeat Bone pain Joint pain Muscle pain Muscle weakness Confusion [en.wikipedia.org]

Vitamin B-9 or Folate Even though many women are advised to take folic acid, overdose of the vitamin may cause neurological issues like confusion and insomnia. [vitaminsestore.com]

[…] mouth, and throat Dry, cracking lips (from long-term overdose), eye irritation, or increased sensitivity to light (for eyes) Heart and blood Irregular or rapid heartbeat Muscles and joints Bone, joint, or muscle pain, or muscle weakness Nervous system Confusion [pharmacytimes.com]

[…] green leafy vegetables, fruits, organ meats (eg, liver), enriched cereals and breads Maturation of RBCs Synthesis of purines, pyrimidines, and methionine Development of fetal nervous system Deficiency: Megaloblastic anemia, neural tube birth defects, confusion [msdmanuals.com]

[…] urination Increased urine amount Dryness, cracking lips (due to chronic overdose) Eye irritation Increased sensitivity of the eyes to light Irregular heartbeat Rapid heartbeat Bone pain Joint pain Muscle pain Muscle weakness Confusion, mood changes Convulsions [en.wikipedia.org]

[…] throat Dry, cracking lips (from long-term overdose), eye irritation, or increased sensitivity to light (for eyes) Heart and blood Irregular or rapid heartbeat Muscles and joints Bone, joint, or muscle pain, or muscle weakness Nervous system Confusion, convulsions [pharmacytimes.com]

Later symptoms include convulsions and loss of consciousness. [ufrgs.br]

Vitamin B-1 Vitamin B-1 (ie, thiamine) toxicity effects may include the following (single acute toxicity is rare): Tachycardia Hypotension Cardiac dysrhythmias Headache Anaphylaxis Vasodilation Weakness Convulsions Vitamin B-2 Vitamin B-2 (ie, riboflavin [emedicine.medscape.com]

urine Frequent urination Increased urine amount Dryness, cracking lips (due to chronic overdose) Eye irritation Increased sensitivity of the eyes to light Irregular heartbeat Rapid heartbeat Bone pain Joint pain Muscle pain Muscle weakness Confusion, [en.wikipedia.org]

urine, frequent urination, or increased urine amount Eyes, ears, nose, mouth, and throat Dry, cracking lips (from long-term overdose), eye irritation, or increased sensitivity to light (for eyes) Heart and blood Irregular or rapid heartbeat Muscles and [pharmacytimes.com]