(Vitamin A Toxicity) Consuming too much vitamin A causes hair loss, cracked lips, dry skin, weakened bones, headaches, elevations of blood calcium levels, and an uncommon disorder characterized by increased pressure within the skull called idiopathic intracranial hypertension.
Additional cutaneous effects include dry skin, pruritus, peeling of the palms and soles, and fissuring of the fingertips. Higher doses of vitamin A may lead to telogen effluvium. Severe cases may manifest with bone pain and increased intracranial pressure.
Vitamin A toxicity is most frequently observed, compared to the other vitamins. It causes dryness of the skin with scaling, follicular hyperkeratosis, itching, cheilitis (dry, chapped lips), dryness of the mucous membranes, hair loss, and nail dystrophy.
Vitamin A, like D, E and K, is fat-soluble. That means it can't be ``flushed'' out - it accumulates in your body's fat stores. Activity doesn't have any meaningful impact on it.
Having an average of 1.5mg a day or less of vitamin A from diet and supplements combined is unlikely to cause any harm.
Side effects that you should report to your care team as soon as possible: Allergic reactions—skin rash, itching, hives, swelling of the face, lips, tongue, or throat. Bone or joint pain. Increased pressure around the brain—severe headache, blurry vision, change in vision, nausea, vomiting.
Dry skin, also known as xerosis or xeroderma, has many causes, including cold or dry weather, sun damage, harsh soaps, and overbathing.
When skin loses water too quickly, it becomes dry. This can happen for many reasons. Everyday things, such as using deodorant soaps and harsh cleaning products, can strip oils and fats from our skin. Taking long, hot showers can also dry your skin.
Certain medications like blood pressure drugs, cholesterol medications, acne treatments, wrinkle creams, and antihistamines can severely dry out the skin, especially in older adults. Diuretics, statins, antihistamines, and acne medications such as Accutane and Retin-A are examples of drugs that cause dry skin.
The following can happen if you take three to 10 times above the recommended limit: Vitamin C - nausea, diarrhea, vomiting or headaches. Vitamin B3 - stomach pain, high blood pressure, vision problems and liver damage. Vitamin B6 - skin lesions, heartburn or neurological problems.
Your Vitamin A Serum Improves The Following
Exfoliates – making skin smooth and even-toned. Repairs the cellular structure of the Epidermis – optimising your UV protection. Decreases clustering of Melanin granules – thus reducing brown spots or pigmentation. Decreases sebum production and thus treats acne brilliantly.
Vitamin A toxicity can be acute or chronic. Acute toxicity is caused by high doses (generally >100 times the recommended dietary allowance [RDA]), arising within days to weeks with severe headaches, nausea, vertigo, blurred vision, muscle aches, and lack of coordination, followed by skin desquamation and alopecia.
(Vitamin A Toxicity)
Consuming too much vitamin A causes hair loss, cracked lips, dry skin, weakened bones, headaches, elevations of blood calcium levels, and an uncommon disorder characterized by increased pressure within the skull called idiopathic intracranial hypertension.
In whatever forms your dry or dehydrated skin manifests, there's one ingredient we know we can reach for time and time again when we need an extra boost, vitamin E which has so many benefits for skin.
The Best Vitamins for Dry Skin
There are a variety of vitamins that can help to improve dry skin, including vitamin A, vitamin C, and vitamin E. These nutrients are thought to help increase the moisture content in your skin, as well as repair damaged skin cells and promote new cell growth.
You're deficient in certain nutrients
Stubborn dryness may occur if your body is low in vitamin A, vitamin D, iron, niacin or zinc, all of which are a must for healthy skin. Talk to your doctor about whether you might be deficient in one of these nutrients, and if you are, whether or not to take supplements.
Some conditions that lead to dry skin include allergies, eczema, diabetes and kidney disease. Occupations: Certain professions can lead to dry skin, especially if you work outdoors, with chemicals or wash your hands frequently.
“The best practice is to avoid over-scrubbing because you want to maintain a healthy and intact skin barrier,” Dr. Khalifian notes. Going too hard can leave your skin red and irritated. Use it after cleansing, and always follow with moisturizer to lock in hydration.
Harsh weather conditions – hot, cold and dry air can disrupt the skin's barrier function, causing skin to lose moisture and dry out. This is particularly common in winter when cold, dry air and dropping humidity levels can dry out the skin.
Having a specific vitamin deficiency can cause dry skin. For example, if you are deficient in zinc, iron, niacin, vitamin D, or vitamin A, your skin may get dry.
Fat-soluble vitamins (like A, D, E, and K) don't get flushed out in the urine, so they're the most likely to cause vitamin toxicity. Vitamins A and E may pose the greatest risk of toxicity, since they are so commonly taken and readily available.