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How Long Can Swelling From Allergic Reaction Last. In 95 of chronic conditions nobody knows what causes them though it is thought to be autoimmune in nature. The swelling can occur in any part of the body that comes in contact with the allergen. In that case the hives and rashes will last for longer than they usually did in previous situations. How you relieve the swelling depends on the severity of your symptoms.
When it comes to the best methods for reducing facial swelling. Youll need to get it treated right. If the exposure to the allergen continues such as during a spring pollen season allergic reactions may last for longer periods such as a few weeks to months. Allergic reactions to certain foods or medications often cause acute hives and swelling. The most common food allergy signs and symptoms include. No matter how much of it you eat recovering from such reactions takes time.
Allergic reactions may last for varying lengths of time.
Even with adequate treatment some allergic reactions may take two to four weeks to go away. Allergic reactions to certain foods or medications often cause acute hives and swelling. Youll need to get it treated right. Gary Steven answered 30 years experience Pediatric Allergy and Asthma Less than one week. Like any other allergic reaction allergic reaction to shrimp may also worsen with time for some people. How you relieve the swelling depends on the severity of your symptoms.