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An icepack directly onto the skin provides instant relief. For milder cases, the intense itch/scratch cycle can be broken by applying a topical skin coolant gel containing menthol, camphor, or other topical coolant to affected itchy areas, and then consistently applying 100+SPF sunscreen to affected skin of arms, shoulders, neck, etc., whenever they are expected to be
A man with pellagra, which is caused by a chronic lack of vitamin B 3 in the diet. Severe deficiency of niacin in the diet causes the disease pellagra, characterized by diarrhea, sun-sensitive dermatitis involving hyperpigmentation and thickening of the skin (see image), inflammation of the mouth and tongue, delirium, dementia, and if left untreated, death. [7]
Primary pellagra is due to a diet that does not contain enough niacin and tryptophan. [1] Secondary pellagra is due to a poor ability to use the niacin within the diet. [1] This can occur as a result of alcoholism, long-term diarrhea, carcinoid syndrome, Hartnup disease, and a number of medications such as isoniazid. [1]
Niacin has been linked to a higher risk of heart disease. It is often added to flour and fortified cereals in the U.S. The B vitamin used to be a popular medication to lower high cholesterol.
The back, legs, arms, scalp, and genitalia are areas of the body that are commonly affected by senile pruritus. [3] According to a study, most of the people who experience pruritus daily have increased itching sensations and other associated symptoms during the night. Most studies reveal that senile pruritus is more common in men than women. [3]
In addition, the derm says to "use with niacinamide and a hyaluronic acid moisturizer or a ceramide-based moisturizer at night" to reduce the risk of irritation. Also, if you're pregnant or ...
Flushing of skin (associated with niacin (vitamin B3) overdose) Skin disturbances (e.g. dryness, itching, cracking of skin, rashes, increased sensitivity to sun) Changes of hair texture (e.g. thickening and/or clumping of hair) Appetite loss; Constipation (associated with iron or calcium overdose) Nausea and vomiting; Diarrhoea
A common anti-malarial medication called chloroquine may cause pruritus for unknown reasons. Other antimalarials like amodiaquine, halofantrine, and hydroxychloroquine have also been linked to pruritus, albeit less frequently and to a lesser extent.