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Doctor insights on: Last Flu Shot

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When was my last flu shot?

When was my last flu shot?

Ask your doctor: We do not have your medical records. You should keep track of your immunizations, ...Read more

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Flu Shot (Definition)

Also known as influenza vaccines, flu shots are given out once a year to protect against the flu. The flu shot stimulates the immune system to build antibodies to three or four strains of flu viruses in the hopes that it will offer protection from the current strains present in the community. Each year the Centers for Disease Control (CDC) monitors the strains of Influenza globally and incorporates the appropriate antigens in the new vaccine. For best protection the vaccine ...Read more


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Any advice? Going to get my first blood count. Nineteen yrs and female. Afraid of the results. And i almost passed out from my last flu shot. Stressed

Any advice? Going to get my first blood count. Nineteen yrs and female. Afraid of the results. And i almost passed out from my last flu shot. Stressed

Fear Anxiety: No body likes to be poked with a needle! your words suggest "anxiety" rather than just fear. People who have not been sick, do not like any thing related to healthcare. Please do not anticipate the worst. Simple relaxation technique is deep breathing- breathe in thru the nose & and breathe out rhu the mouth. When we get anxious, we are only in "fight" or "flight" mode and nothing gets in! ...Read more

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If my baby was really fussy after the last year’s flu shot, is it okay for him to have one this year?

If my baby was really fussy after the last year’s flu shot, is it okay for him to have one this year?

Yes: General fussiness certainly is not fun, but does not fall under the criteria of a dangerous reaction. And it is still "better" than a serious, potentially life threatening case of the flu. ...Read more

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Long does a flu shot last usually?

Long does a flu shot last usually?

A year: Good question. The influenza virus mutates rapidly so each year's vaccine varies as each year's vaccine is based on the most prevalent flu strains from the last flu season. The actual immunity derived from a given flu shot probably lasts more than one year, but it is important to get a new shot each year, due to the changes. ...Read more

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For what length of time do flu symptoms from a flu shot last?

For what length of time do flu symptoms from a flu shot last?

1 to 2 days usually: The flu shot has inactivated virus- so it will not infect you with the flu. If you have reactions to the shot they usually resolve within one to two days. Side effects can include a low grade fever, aches & pain, and localized swelling, redness and pain at the shot site. Some people have had allergic reactions to the flu vaccine. ...Read more

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Will a flu shot last a full 5 months? I thought about getting it now ( oct) but want to make sure it will last till end of march when flu season ends.

Will a flu shot last a full 5 months? I thought about getting it now ( oct) but want to make sure it will last till end of march when flu season ends.

Yes: The antibodies generated by seasonal flu vaccine will last for years against the strains in the vaccine.People get confused about protection, because in a given season, the vaccine can only cover 3-4 strains, while there may be a new strain emerg that is not in the vaccine.Waiting until late in the fall only increases your risk you will be unprotected against an early exposure. ...Read more

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I got the flu shot last sept. Ended up getting pneumonia for very first time in March. Should I get flu shot again this year ?

I got the flu shot last sept. Ended up getting pneumonia for very first time in March. Should I get flu shot again this year ?

Yes unless otherwise: It is recommended for adults on a yearly basis unless you have medical issues that can lead to an adverse reaction. The CDC website is one resource of information as the flu season approaches. ...Read more

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I just got my flu shot last night in my arm, is it safe to go today and get a tattoo on the same arm in the same place?

I just got my flu shot last night in my arm, is it safe to go today and get a tattoo on the same arm in the same place?

Flu shot: Would recommend against this. First, it may destroy the vaccine material implanted in your tissues, and secondly it may introduce bacteria that stand a better chance of producing infection because of the trauma from the flu shot. Would wait at least a week before doing this. ...Read more

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My 9mos old daughter got her last hep booster and flu shot at her appointment this morning. Now her breath smells bad/funny/off. Should i be concerned?

Sometimes: Sometimes after shots the immune system is stimulated and this can happen. Is your daughter eating and drinking normally? Make sure she is not dehydrated. If she is generally acting normally and there are no other symptom, then don't worry, just keep an eye on her. And clean her teeth with a soft toothbrush. ...Read more

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Normal temp is 97.6, have a temp of 99.9, headache, direarha, body aches & exhausted, this the start of a virus? Had my flu shot last month.

Normal temp is 97.6, have a temp of 99.9, headache, direarha, body aches & exhausted, this the start of a virus? Had my flu shot last month.

Could be: The low grade fever and diarrhea may be a sign of a viral gastrointestinal infection. Maintain your fluid intake, eat yogurt, take OTC antidiarrheals like Kaopectate (kaolin and pectin) or peptobismol and ride it out. It should resolve soon. If your fever goes above 101 or you see blood in your BM, consult your primary care. Thanks for trusting HealthTap! ...Read more

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Pain in top leg when walking, had flu shot last Thursday is it connected ? Could be beginning of guillian barre syndrome caused by vaccine ?

Pain in top leg when walking, had flu shot last Thursday is it connected ? Could be beginning of guillian barre syndrome caused by vaccine ?

No: guillian barre doesn't cause pain, & what minor sensory symptoms it causes usually occur where weakness begins (almost always in the feet). You've posted before. You weren't joking when you put "hypochondria" in your profile. Reminds me of the old Michael Palin BBC series "Ripping Yarns." In the episode "The Curse of the Claw," the character Uncle Jack had "every known disease." ...Read more

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Upper back and collarbone/neck pain - pull a muscle working out/doing yoga? pain from slumping over desk? got a flu shot last week - pain from that?

Transient joint pain: A flu shot can provoke transient arthralgia (joint pain) and muscle achiness, especially when combined with working out. Any additive symptoms from the flu shot should subside uneventfully in several days. ...Read more

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Chills, feeling cold, mild chest pain, tingling discomfort in arms. Frequant urination. Had flu shot last year. Lower abdomen pain. Sex last night?

Chills, feeling cold, mild chest pain, tingling discomfort  in arms. Frequant urination. Had flu shot last year. Lower  abdomen pain. Sex last night?

Infection?: It certainly sounds as if you have the beginnings of some type of an infection whether it be a viral respiratory ailment or more likely a urinary tract type of problem which not infrequently occurs after having had sexual relations especially in women with short urethras. ...Read more

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I have sore throat, headache, bodyache, mild fever. Is it a bacterial or viral infection? I had a flu shot last month.

I have sore throat, headache, bodyache, mild fever. Is it a bacterial or viral infection? I had a flu shot last month.

Either: How long have you had the symptoms? Do you have any respiratory symptoms? What you are describing are non-specific symptoms that could be either related to viruses or bacteria. ...Read more

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Dr. Mark Diamond
2,227 doctors shared insights

Fever (Definition)

Fever = elevated body temperature (can be ...Read more