HealthTap Online Primary Care Doctors Accepting New Patients
Book a video visit
HealthTap
Telehealth
A member asked:

How long doe swelling from b12 shot last?

A doctor has provided 1 answer
Dr. Richard Mcgee answered

Specializes in Medical Oncology

Brief: There should be no swelling from a B12 injection at all or if there is a little swelling it should be gone in 48 hours or less.

Answered 9/28/2016

4.7k views

Thank

Related Questions

A member asked:

197" b12 numbers (lower than normal.. low vit d, low liver ) with HIGHER RBC and HEMOTORCIT. can i take b12 with high rbc and hemotocrit numbers if i am low for years on b12? i have neck tightening and brain shocks everyday? past pancreas swelling?

5 doctors weighed in across 2 answers

A member asked:

I have a rapid weight gain, swelling, heart palpitations, shortness of breath from high B12 levels. How can I lower this and how long will it take?

A doctor has provided 1 answer

A member asked:

B12 deficiency since December . throat feels pressure in front.There is swelling.Could be thyroid.Please help me.Been to doc .gave me dexketoprofen?

A doctor has provided 1 answer

A member asked:

Sore tongue with intermittent swelling and burning pain. Was diagnosed with low b12 but been on supplements for4 months no change. Scared I have pancreatic cancer, please help.

2 doctors weighed in across 2 answers

A member asked:

Dx'ed last year B12 deficient, level 169, receiving monthly shots now. Could this cause me to have a cold longer than usual, it's been over 2wks?

5 doctors weighed in across 2 answers

Sponsored Content
HealthTap Medical Group does not endorse products or services. Sponsored content revenues support our mission to make health information free and accessible to all.Learn more

People also searched for:

I have had tongue pain/swelling for 3 months since diagnosed with low b12 (220) and oral supplements have not worked for the last 3 months. Dr started me on fortnightly B12 injections last week. When will my tongue issues resolve? Daily anxiety now.
How do you treat B12 toxicity? I have been diagnosed and have all symptoms especially swelling.
Can a vitamin B12 energy booster injection cause swelling of ankles and overall water retention?
Went to doc for pressure in throat.He said nothing to do with my b12.not my thyroid.but I have swelling he gave me dexketoprofen.why does throat swell?
I have rapid weight gain, heart palpitations, swelling and all B12 toxicity symptoms. I tested and my B12 is abnormally high, leukemia isin my genes?

Telemedicine

Primary Care
Manage Your Conditions
Women's Health
Children's Health
Men's Health
Senior Health
Wellness, Prevention & Lifestyle
Sexual Health
Mental & Behavioral Health
Travel Medicine
Urgent Care
Ask your question
Didn't find what you're looking for?

90,000 U.S. doctors in 147 specialties are here to answer your questions or offer you advice, prescriptions, and more.

Ask your question

More of what we treat

Allergies
Antibiotics
Asthma
High Blood Pressure
Prescriptions
Type 2 Diabetes
Content on HealthTap (including answers) should not be used for medical advice, diagnosis, or treatment, and interactions on HealthTap do not create a doctor-patient relationship. Never disregard or delay professional medical advice in person because of anything on HealthTap. Call your doctor or 911 if you think you may have a medical emergency.
HealthTap
HIPAA logo
HIPAASecure
Soc 2 Type 2 logo
SOC 2 Type 2Certified
JCAHO Accredited
JCAHOAccredited
Member App

Download HealthTap

Video visit and message your doctor

Member App QR Code
Play Store Member LinkApp Store Member Link

Questions?

+1 (888) 828-0841support@healthtap.com
LinkedInTwitter
HomeTermsPrivacyCookiesDMCAHealth TopicsDoctors DirectoryDoctor Q&A by Specialty
Copyright 2026 HealthTap, Inc.