Delayed Reaction to Allergy shots

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Regular Member

Date Joined Mar 2014
Total Posts : 167
   Posted 8/21/2014 11:18 AM (GMT -6)   
Hi guys - I had my first allergy shot on Tuesday. It was at 8:30 a.m.

I had no reaction at the doctor's office and no reaction until about 1:00 pm. I started itching everywhere and then started to have an asthma attack. The doctor's office asked me to come back and treated me for the asthma. Then yesterday (Wednesday), I was itching more and got a red blotch around my bermuda grass shot.

Is this normal? Has anyone else experienced that??

Veteran Member

Date Joined Aug 2007
Total Posts : 4415
   Posted 8/21/2014 2:25 PM (GMT -6)   
I don't think it is common, but it can happen.

My Brother had this happen to him when he got an allergy shot. He was ok for a few hours after the shot, but then started having trouble breathing... He wound up in the ER being treated for Anaphylaxis...

Your doctor may need to re-formulate your shot mix to a lower concentration. Be sure you keep in contact with your doctor about what you are experiencing.

Chronic Lyme, Bart., Gluten & Sulfite Sensitivity, Many Food/Inhalant/Medication/Chemical Allergies & Intolerances, Asthma, Gut dysmotility & non-specific inflammation, Lupus, Osteoporosis, etc.; G-Tube; TPN-dependent
Meds: Flagyl, Cefazolin, Zofran, Essential Oils, etc.

New Member

Date Joined Aug 2014
Total Posts : 7
   Posted 8/23/2014 10:33 AM (GMT -6)   
Yes,this happens. As Razz,e said, the doc could change the formulation or ask you to take medication before the shot until your immune response improves.

Veteran Member

Date Joined Oct 2009
Total Posts : 5022
   Posted 8/23/2014 5:53 PM (GMT -6)   
Oh, yes. Happened to me too. I got a big red itching welt the next day. I had to have my doses diluted twice. Then I had to build up very slowly. A couple of times I had to back off the dose - seemed like I was building up too fast for me.

However, now I have absolutely no allergy symptoms even though my dose is fairly low. I am supposed to get my shots (2) weekly, but they seem to work just fine even if it's a month in between, when I've been hospitalized, although I wasn't running around in the moldy grass then.

Try for a year. If you just can't make it on the shots, maybe the oral allergen sensitizing would work. They aren't as effective as the shots though, according to a study I read.

Veteran Member

Date Joined Jan 2005
Total Posts : 763
   Posted 9/3/2014 11:31 AM (GMT -6)   
oh no 2 razzle ... I am razzle51 hi razzle
Chiari malformation , Syringomyelia , IBS -C , ostporosis

Regular Member

Date Joined Mar 2014
Total Posts : 167
   Posted 9/5/2014 2:42 PM (GMT -6)   
Doc diluted me like you guys said. Since then, I do have a delayed reaction of my underarms itching, but that's about it! Thankfully.
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