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Doctor insights on: How Long Doe Steroid Shots Last

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How long before I should see improvement in my son with croup after getting steroid shot? How long should croup last

4-8 hours: Generally steroids begin to show an effect after ~4 hours and are working well by 8 hours. If your child received Epinephrine to help him breathe, it may wear off 1-2 hours before the steroid starts to work. Dexamethasone (decadron) has been shown to be the best steroid for croup. Untreated croup tends to worsen for 3-5 days before it starts to improve (as do most viral infections). ...Read more

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Dr. Gregg Albers
2,262 doctors shared insights

Steroids (Definition)

Many children with croup need prescription medications. Often steroids can ...Read more


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I had a steroid shot at about 10pm last night &it is now 10:30 am. I still have the rash though it seems a bit better. How long before gone completely?

I had a steroid shot at about 10pm last night &it is now 10:30 am. I still have the rash though it seems a bit better. How long before gone completely?

Rash: Steroid shots will last in your body 2-3 days. It is re-assuring that you are improving 12 hours later. Monitor the rash and seek care if not improving with 1-2 days. ...Read more

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How long will the adverse reactions last from a steroid shot with decadone, I got it last Wednesday and still have reactions?

Notify prescriber: You do not mention in detail the nature of the reaction. Some side effects of even short term corticosteroids can be very serious (examples include uncontrolled blood pressure, eye pain, severe headache, electrolyte abnormalities, kidney dysfunction, hyperglycemia, psychiactric manifestations and more). Notify the prescribing physician so that an appropriate course of action can be taken. ...Read more

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Hoe long does parainfluenza / croup last? Had steroid shot so how long before improvement ? How long keep home from school ? His dr wasn't helpful :0(

Hoe long does parainfluenza / croup last? Had steroid shot so how long before improvement ? How long keep home from school ? His dr wasn't helpful :0(

Depends: Croup symptoms generally peak 2 to 3 days after the symptoms of the viral infection begin. Viral croup usually lasts 3 to 7 days. Steroid shot usually works in a few hours and can last to up to 24 hours. If your child is still having breathing problems or feverish, then have them seen by a doctor immediately. ...Read more

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Had a steroid shot in hip due to bursitis and pain had beew aweful, called drs office and they said normal, how long does this usually last?

Had a steroid shot in hip due to bursitis and pain had beew aweful, called drs office and they said normal, how long does this usually last?

Normal: If it does not resolve in a week, call your doctor to see what options you may have regarding this increased pain. Although uncommon, it can happen and usually will go away on its own in a few days. ...Read more

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Does it hurt to get a steroid shot on your shoulder? If it does, can you take Tylenol (acetaminophen) afterwards? And How long does the inflammation last?

Does it hurt to get a steroid shot on your shoulder? If it does, can you take Tylenol (acetaminophen) afterwards? And How long does the inflammation last?

A tiny bit: If done as usual, you would receive a little local anesthetic that would sting until it puts the skin to sleep. Local anesthetic is usually given with the steroid (ask!) so that actually you may be pain free for several hours. During this time your doc may advise you to move the shoulder through the full range of motion, depending on diagnosis. Inflammation relieved in days. Tylenol (acetaminophen) is fine. ...Read more

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Rash from Keflex. Got steroid shot 2 days ago. Rash got worse and spread and lips swelled last night. Started prednisone today.How long will this last?

Rash from Keflex. Got steroid shot 2 days ago. Rash got worse and spread and lips swelled last night. Started prednisone today.How long will this last?

Allergic reaction: I suggest being seen again: you may need a tapered course of oral prednisone. This appears to be a severe allergic reaction- do not ignore- you will need more medicine. ...Read more

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How long after the penicillin shot for strep throat should I wait to go out? I got the initial shot on friday and went and got an additional steroid shot at the ER last night and i feel a lot better

Once : Once you have been on antibiotics for strep for 24 hours, you are no longer contagious. However, steroids can make you feel better even when you are still sick by dampening down your immune response, so take it easy! ...Read more