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    GlossaryImmunodeficiency

    condition where the immune system can't effectively fight infections

    Immunodeficiency, also known as immune deficiency, refers to a state where the immune system's ability to fight infectious diseases and cancer is compromised or entirely absent. This can be due to genetic conditions (primary immunodeficiency) or external factors such as infections, malnutrition, or medical treatments like chemotherapy (secondary immunodeficiency).

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      learn Vitamin D

      vitamin you should probably be taking for general health might also help your hair a little

      learn Baricitinib

      JAK inhibitor that reduces inflammation and immune attacks on hair follicles, leading to potential hair regrowth, especially in alopecia areata cases

      learn Tofacitinib

      a JAK inhibitor for alopecia areata and other autoimmune conditions

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      community Zyrtec (Cetirizine) antihistamine for hair growth compared to Minoxidil NIH study

      in Minoxidil  35 upvotes 1 year ago
      The conversation discusses the potential of topical cetirizine (Zyrtec) for hair growth in comparison to minoxidil, noting cetirizine's ability to reduce prostaglandin D2, which inhibits hair growth. Users share mixed experiences with cetirizine for allergies and scalp health, and there's a mention of the risk of dementia with long-term antihistamine use.

      community Vitamin Deficiency: “Severely” Low on Vitamin D

      in Update  15 upvotes 1 year ago
      A user experiencing significant hair loss found they had a severe vitamin D deficiency and was prescribed 50,000IU vitamin D pills, likely to be taken weekly. They are questioning if the deficiency could be the cause of their hair loss and if correcting it could stop the shedding and improve hair recovery.

      community Iron Overload and Vitamin D Deficiency - Male Hair Loss

      in Treatment  19 upvotes 2 years ago
      The conversation discusses hair loss treatments, specifically minoxidil, vitamin D supplements, and the potential impact of iron overload. The user experienced hair regrowth with high-dose vitamin D but faced hair thinning again after reducing the dosage, and is now exploring the role of iron overload in hair loss.

      community Vitamin D help? Any help would be appreciated :D

      in Chat  55 upvotes 3 years ago
      The individual is experiencing hair loss and has a vitamin D deficiency, with levels at 7.49ng/ml or 26nmol/l. They are unsure if the deficiency is causing the hair loss and are seeking advice on vitamin D supplementation.

      community Take A Vitamin D Blood Test!!!

      in Treatment  48 upvotes 2 years ago
      Low Vitamin D can cause hair shedding, and taking 5000 IU of Vitamin D daily reduced shedding significantly. Vitamin D deficiency is common and correcting it can benefit overall health.