what are the signs and symptoms of vitamin a deficiency?
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['Impaired dark adaptation (night blindness) due to lack of the photoreceptor pigment rhodopsin.', 'Xerophthalmia: dry, thickened conjunctiva and cornea.', 'Bitot spots: keratinized growths (metaplasia) on the conjunctivae causing hazy vision.']
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['Dry, red, and scaly skin.', 'Diarrhea.', 'Extreme fatigue or weakness.', 'Forceful vomiting.']
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['Dehydration.', 'Weakness and fatigue.', 'Nausea and headaches.', 'Constipation.', 'Inadequate vitamin and mineral intake.']
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Vitamin D helps with strong bones and may help prevent some cancers. Symptoms of vitamin D deficiency can include muscle weakness, pain, fatigue and depression. To get enough D, look to certain foods, supplements, and carefully planned sunlight.
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Symptoms of Vitamin B12 Deficiency If you have vitamin B12 deficiency, you could become anemic. A mild deficiency may cause no symptoms. But if untreated, it may lead to symptoms such as: Weakness, tiredness, or lightheadedness.
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['loss of appetite.', 'fatigue.', 'acne.', 'joint pain.', 'decreased urination.', 'lack of coordination.', 'constipation.', 'cravings for alcohol, salt, or chocolate.']
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The most common risk factors for vitamin C deficiency are poor diet, alcoholism, anorexia, severe mental illness, smoking and dialysis ( 2 , 3 ). While symptoms of severe vitamin C deficiency can take months to develop, there are some subtle signs to watch out for.
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Too little vitamin A can lead to inflamed skin, night blindness, infertility, delayed growth and respiratory infections. People with wounds and acne may have lower blood levels of vitamin A and benefit from treatment with higher doses of the vitamin.
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['Swelling in the Neck. Share on Pinterest. ... ', 'Unexpected Weight Gain. Unexpected weight gain is another sign of an iodine deficiency. ... ', 'Fatigue and Weakness. ... ', 'Hair loss. ... ', 'Dry, Flaky Skin. ... ', 'Feeling Colder Than Usual. ... ', 'Changes in Heart Rate. ... ', 'Trouble Learning and Remembering.']
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['dizziness.', 'headaches.', 'lethargy.', 'flushing.', 'nausea.', 'weakness.']
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['Nausea.', 'Diarrhea.', 'Intestinal cramps.', 'Fatigue.', 'Weakness.', 'Headache.', 'Blurred vision.', 'Rash.']
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['Iron- Nausea, bloody stools, diarrhea, dizziness, headache, fluid build-up in the lungs and fever.', 'Vitamin A-Hair loss, liver damage, severe headaches, bone pain, blurred vision, dry skin and vomiting.', 'Vitamin D- Abnormal heart rhythm, constipation, frequent urination, muscle weakness and confusion.']
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Symptoms of thiamin deficiency include: mental confusion, muscle weakness, wasting, water retention (edema), enlarged heart, and the disease known as beriberi.
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['extreme tiredness (fatigue)', 'lack of energy (lethargy)', 'breathlessness.', 'feeling faint.', 'headaches.', 'pale skin.', 'noticeable heartbeats (palpitations)']
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['Getting Sick or Infected Often. Share on Pinterest. ... ', 'Fatigue and Tiredness. Feeling tired can have many causes, and vitamin D deficiency may be one of them. ... ', 'Bone and Back Pain. ... ', 'Depression. ... ', 'Impaired Wound Healing. ... ', 'Bone Loss. ... ', 'Hair Loss. ... ', 'Muscle Pain.']
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['chest pain, feeling short of breath;', 'growth problems (in a child taking cholecalciferol); or.', 'early signs of vitamin D overdose--weakness, metallic taste in your mouth, weight loss, muscle or bone pain, constipation, nausea, and vomiting.']
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Symptoms of mild zinc deficiency include diarrhea, decreased immunity, thinning hair, decreased appetite, mood disturbances, dry skin, fertility issues and impaired wound healing ( 30 ). Zinc deficiency is difficult to detect using laboratory tests due to your body's tight control over zinc levels.