Everything you need to know if you’re considering allergy shots

Who is a good candidate to receive allergy shots?

This treatment requires frequent injections at your doctor’s office. It is important that you are able to dedicate time to this treatment.

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People with allergies may use allergy shots

Allergy Asthma

Allergy rhinitis

Eye allergies or allergic conjunctivitis are also known as eye allergy.

Allergies to insects, especially bees and other biting insects

People who are allergic to inhaled allergens or insect venoms will find allergy shots most effective.

If you have severe allergies all year round and don’t want long-term medication, you may be a candidate.

Who should not take allergy shots?

Only people over 5 years of age can have allergy shots. Children younger than 5 years may not be able communicate fully about possible side effects or discomforts that could warrant stopping treatment.

If you are allergic to any of the following, allergy shots should not be taken:

  • are pregnant
  • Heart disease
  • Asthma severe

What is the best way to get allergy shots?

Allergy shots reduce symptoms caused by specific allergens.

Your body will build up immunity over time by receiving small amounts of the allergen in each injection. This works in the same way as a vaccine. Your body makes new antibodies to fight the invasive substances.

Allergy shots can also help improve the function of other immune system cells, substances, and their ability to respond to allergens. Successful immunotherapy eventually helps to reduce allergic symptoms and fight allergens.

Allergy shots are designed to reduce allergy symptoms. Reduced asthma symptoms can also be possible if you suffer from allergic asthma.

How can you prepare for an allergic shot?

A complete evaluation is required before you can start allergy shots. To determine which substances are appropriate for your shots, the doctor will need to perform a thorough evaluation.

If you have allergies, your doctor will test for the type of pollen that causes your symptoms. Common culprits include ragweed, grasses and various tree pollens.

Skin pricking is a common method of allergy testing. Your doctor will use a variety of allergens to test your skin.

An allergist, also known as an immunologist, will perform all tests and treatments with allergy shots.

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What is the best way to administer an allergy shot?

After your doctor has diagnosed your allergies, you will start getting allergy shots. This process can be broken down into two parts:

  • buildup
  • Maintenance
  • Buildup

The buildup phase is the most time-consuming. To help your body adjust to the allergens, you may receive injections as often as twice per week.

To monitor side effects and reactions, you will need to remain at your doctor’s office for 30 mins after each injection.

The buildup phase usually lasts between 3 and 6 months.


Maintenance phase includes shots that are administered once or twice a month.

Once your doctor has determined that you are comfortable with the injections, you can enter the maintenance phase. This is based on how you react to the shots.

The maintenance phase usually lasts between 3 to 5 years. You should not skip any injections if you can. Doing so can disrupt your treatment course.

You will need to remain at your doctor’s office for at least 30 minutes after the injection so they can monitor your reactions.

Are allergy shots safe?

Long-term relief can be achieved with allergy shots long after injections are stopped. People who have had their allergy shots may not need to take medication anymore.

It can take as long as a year to see the results of your maintenance shots. Some people will notice benefits in the maintenance phase sooner than others. Sometimes allergy shots do not work in all cases. It could be for a number of reasons including:

  • Reactions can cause you to stop receiving treatment
  • Continued exposure to allergens at very high levels
  • There is not enough allergen in the actual shots
  • missed allergens during your initial evaluation

What side effects can allergy shots have?

Side effects that are common include reactions that look similar to hives and mosquito bites around the injection site. You may also notice a reddening and larger bump.

This is a normal reaction. This reaction can occur immediately or over several hours.

The swelling can last several hours before subsiding without treatment. Ice can be applied to the injection site to reduce swelling.

After their shots, some people may experience mild allergic symptoms such as nasal congestion, sneezing and itchy skin. This is due to allergic reactions that have been injected. These symptoms can be relieved by taking an antihistamine.

Rare side effects

Rarely, allergen shots can cause severe reactions, such as:

  • Hives
  • Swelling
  • Anaphylaxis

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Anaphylactic shock can cause dizziness or breathing problems.

The reaction can occur within 30 minutes after you have received an allergy shot. Your doctor may ask that you remain in the office for monitoring purposes after you have received the allergy shot.

If you feel sick

  • If you’re sick, let your doctor know. You might need to delay an injection while you recover.
  • Side effects can be more likely if you take an allergy shot when you have a serious respiratory condition.

What is the cost of allergy shots?

Most allergy shots are covered by health insurance. Each visit may require you to pay a copay. Most copays are nominal.

You could end up spending thousands of money a year if you don’t have insurance or have a high-deductible.

A large 2019 study examined the cost of allergy shots for those with Medicare Advantage with Part D or commercial insurance. The data was gathered between 2013-2015.

253,301,575 was the cost for allergy shots for 131 493 people. This amounts to approximately $1,926 per person.

The total cost of treatment for allergies was about 19%, and the costs were covered by insurers at around 81 percent.

Average treatment time was 463.1 days or around 15 months.

Talk to your doctor before you start any treatment.

Allergy shots can be a long-term commitment. You will need to plan for many injections if you are paying out of pocket.

Consider that allergy shots can save you money over the long-term on both hospital visits and OTC allergy medication.

What is the outlook?

Talk to your doctor about allergy shots and whether they are an option.

Many people are able to respond well to allergy shots. They can also provide relief from severe allergies. You may not see immediate results.

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If there are no improvements in allergy symptoms after one year, your allergist may recommend other methods of controlling it.

Talk to your doctor if you have food allergies. There are ways to avoid foods that you are allergic to. Food allergies can’t be treated with allergy shots.