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What should I know before getting allergy shots?

Donna Hill Howes, RN
Family Practitioner

Allergy shots appear to be effective for children under age 5, and may prevent asthma in this age group. However, allergy shots are typically not given to infants and toddlers because they may not be able to communicate that they are having an allergic reaction. Injections can also be traumatic for very young children.

Having arrhythmia, COPD, coronary artery disease, or high blood pressure lowers your chances of surviving a severe reaction to an allergy shot. Unstable angina or a recent heart attack also lower your chances.

If you are pregnant and are already taking allergy shots, they may be continued safely. Starting allergy shots while pregnant is not recommended. There is no risk to the infant if a woman takes allergy shots while breastfeeding.

Severe or poorly controlled asthma increases your risk for a severe reaction to an allergy shot.

This answer was adapted from Sharecare's award-winning AskMD app. Start a consultation now to find out what's causing your symptoms, learn how to manage a condition, or find a doctor.

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Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.