Peanut (Arachis hypogaea) Allergen Powder, sold under the brand name Palforzia, is an oral medication for the treatment of allergic reactions, including anaphylaxis, in children typically aged between four and 17 years of age who have confirmed cases of peanut allergy. It is taken by mouth.Peanut (Arachis hypogaea) allergen powder is a powder that is manufactured from peanuts and packaged in pull-apart color-coded capsules for dose escalation and up-dosing, and in a sachet for maintenance treatment. The powder is emptied from the capsules or sachet and mixed with a small amount of semisolid food, such as applesauce, yogurt, or pudding for consumption.The most common side effects of peanut (Arachis hypogaea) allergen powder are abdominal pain, vomiting, nausea, tingling in the mouth, itching (including in the mouth and ears), cough, runny nose, throat irritation and tightness, hives, wheezing and shortness of breath and anaphylaxis. Peanut (Arachis hypogaea) allergen powder should not be administered to those with uncontrolled asthma.To mitigate the risk of anaphylaxis associated with peanut (Arachis hypogaea) allergen powder, the U.S. Food and Drug Administration (FDA) requires a Risk Evaluation and Mitigation Strategy (REMS). Peanut (Arachis hypogaea) allergen powder is only available through specially certified healthcare providers, health care settings, and pharmacies to those who are enrolled in the REMS program. The FDA is requiring that healthcare providers who prescribe peanut (Arachis hypogaea) allergen powder - and healthcare settings that dispense and administer peanut (Arachis hypogaea) allergen powder - are educated on the risk of anaphylaxis associated with its use.
Keratosis follicularis may refer to:

Dariers disease
Focal palmoplantar keratoderma with oral mucosal hyperkeratosisSee also:

Isolated dyskeratosis follicularis
Keratosis follicularis spinulosa decalvans