24
Oct
How Long Does An Allergic Drug Reaction Last. If it developed over time it will take longer to fade as you have a build up of that medication in your system and you will likely continue to suffer some kind of rash until the medication is completely out of your system. The reaction can start soon after you take the medicine or days or weeks after you stop. Anaphylaxis is a life-threatening emergency and can lead to shock and loss of consciousness. Similarly you may ask how long does an allergic reaction to sulfa last.
Allergies can last for very long times if no. It would also depend on whether it was an immediate allergic reaction or one that developed over time. 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. For most allergic reactions the initial symptoms begin to go away a few hours after the allergen is removed and should be nearly completely gone after 1-2 days. You may have an allergic reaction the next time. Healthcare providers cannot know ahead of time if you will have an allergic reaction.
If it developed over time it will take longer to fade as you have a build up of that medication in your system and you will likely continue to suffer some kind of rash until the medication is completely out of your system.
Depends on the type of reaction. It would also depend on whether it was an immediate allergic reaction or one that developed over time. Depends on the type of reaction. An antibiotic medication allergy is a harmful reaction to an antibiotic. 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. The reaction can start soon after you take the medicine or days or weeks after you stop.