Scratching the rash can result in the skin oozing fluid. The condition is called acute urticaria if it lasts for no more than six weeks, and chronic urticaria if it persists beyond six weeks. You should seek prompt medical care if you experience any of the following, in addition to a forehead rash:. Kids who are old enough can be taught how to give themselves the injection. Photoallergic contact dermatitis occurs when your skin has a reaction to an irritant or allergen after exposure to the sun.
There's no cure for food allergies.
Possible Causes of Allergic Reaction on Your Face
Also, some foods — when used as ingredients in certain dishes — may be well-hidden. These factors can cause a rash that comes and goes, or a forehead rash that flares up outside. A severe, life-threatening food allergy can cause your tongue and windpipe to swell. Food allergies are some of the most common types of allergies that affect the face. Various natural remedies to treat forehead rashes also exist. It is triggered when the pollen is inhaled or touches the face or eyes. What to Do Sometimes your immune system will identify a substance as harmful, even though it isn't.