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    Is a booster dose needed every time there is an exposure to rabies? Any diet restrictions?

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Posted on Sat, 29 Sep 2012 in Infections
Question: Hi doctor, I just want to ask about rabies if a person exposed to rabies he need rabies treatment for each and every time I need booster dose and I have few more questions to ask.

1) is there any diet restriction for alcohol and food during rabies treatment

2) on my own experience I exposed to rabies virus before 5 months I received 3 doses on day 0,3,7 and exposed once again before two months and I received one more dose now again I exposed to rabies virus i should receive one more dose or my previous doses are good for me.

3) within one year I had received 7 to 8 doses of rabies vaccine this is good for any period of time or do I need routine booster for exposures
doctor
Answered by Dr. Muhammad Ishfaq Habib 15 minutes later
hi
thanks for the query
Rabies virus is present in the saliva of only rabid dogs and transmitted to humans only when bitten by the rabid dog. if you are bitten by the dog and the dog is not rabid then it does not mean that you are affected by the rabid dog.
now if you want to know whether the dog was rabid or not for this you have observe the for at least 02 weeks time. if the dog dies within 02 weeks then it means that dog was rabid but if it lives normally then the dog was not rabid.
2nd thing which i want you to know is if anyone get rabies then remember that the rabies has 100% mortality rate. which means once anyone affected by the rabies will never survive. it happens only when anyone really gets rabies virus in his blood.
whenever anyone is bitten by a dog, the first thing to do is wash the wound thoroughly and continuously with water as the virus absorbs the water to an extent that it bursts. second is to have the a tetanus vaccine as tetanus is a wound infection. then the dose for rabies vaccine is 0,3,7,14,28 and a booster dose at 90 days. this vaccine schedule works for 01 year. if you are bitten by a dog again then you have to repeat the dose if a duration of one year have passed
Feel free for further queries
thanks
regards
Dr. M Ishfaq Habib
Above answer was peer-reviewed by : Dr. Chakravarthy Mazumdar
doctor
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Follow up: Dr. Muhammad Ishfaq Habib 32 minutes later
Thanks for your reply, now am telling the schedule of vaccination I have taken in one year I had nearly 7 to 8 shots before two months also I had one booster dose before two months so how long it good for me (not necessary for boosters to re exposures) thanks in advance
doctor
Answered by Dr. Muhammad Ishfaq Habib 22 minutes later
Thanks for reply.
As you already had completed the schedule and also had the booster dose so its enough to produce the antibodies.which lasts for almost one year. However if a dog bites you again after one year then you need to repeat the vaccination from start but if you had no exposure to dogbite then you don't need any further doses
Thanks regards
Dr. M Ishfaq Habib

Above answer was peer-reviewed by : Dr. Chakravarthy Mazumdar
doctor
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Follow up: Dr. Muhammad Ishfaq Habib 11 hours later
hi doc,

1)could you please tell me whether specific food or alcohol cause vaccine failure or i have to maintain special diet restrictions for rebies treatment.

2)as per your instructions you have mentioned 6 doses of rabies vaccine for one year protection from the future exposures but i had taken only 4 doses in the proper schedule that means 0,3,7,93 so this schedule also provide the same kind of protection

3) whether it is possible over doses of vaccine cause vaccine failure

4) and my last question it is possible rabies can transmit through air or non bite exposure why im asking this question i always use to travel lot in roads so i was afraid whether the rabid dog saliva comes in contact with eyes or mouth while crossing roads.

i expect the answers for all my questions so please help me on this and i thank you for the wonderfull service from you.
doctor
Answered by Dr. Muhammad Ishfaq Habib 1 hour later
hi
its your right to have the answer for each and every question.
1. there is no specific dietary restriction for the rabies vaccine as it have no relation with food or alcohal.
2. you have missed the doses 14 and 28. which means you had incomplete vaccination course which is not valid and you have to start over again.
3. no over doses of vaccine do not cause failure however low doses or incomplete doses causes failure
4. no it is not possible for rabies to transmit by any other way. as it only transmits in blood through wounds. and for transmission the dog must be rabid. normal pet dog do not cause rabies.

feel free for any further queries
thanks
regards
Dr.M Ishfaq Habib
Above answer was peer-reviewed by : Dr. Chakravarthy Mazumdar
doctor
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Follow up: Dr. Muhammad Ishfaq Habib 52 minutes later
dear doc,

thank you for valuable response!

i have one more doubt on my second point, doses are missed because of my physician as told me on day 10 the dog is still alive so you no need of further vaccinations then i ask my physician about three doses what i have taken for that he told me it works as a Pre exposure schedule for my satisfaction i took one more booster on day 90. then also it may consider as incomplete vaccination or else its enough for the one year and also please advice the vaccination schedule for me as routinely exposed to rabies virus.

additional information: before the three series and booster dose of vaccination i had already received three doses of rabivax six months back that means 7 doses in one year this is also for non rabid dog bite so it gives protection or i have to start again the vaccination schedule for my current exposure.


this all happen because of affraid, so only am asking this much of questions and now im little bit ok. i think this is my last question to you .expecting your valuable advice thanks in advance

doctor
Answered by Dr. Muhammad Ishfaq Habib 9 hours later
thanks for the query
you can ask as many questions as much you want. it will be my pleasure to answer you till your satisfaction.
the latest research says that the dog should be keenly observed after the bite and if it is not found as a rabid dog and the bite is purely provoked then there is no need of vaccination except for having the tetanus vaccine but as you already having vaccination for a non rabid dog then you do not need to have further vaccination course. but if you had exposure to dog bite again in less or more than a year then get vaccination from the start according the schedule 0,3,7,14,28 and booster at 90 days.
with incomplete doses as you already there is development of weak immunity which is not able to defend against the powerful virus. therefore repeated doses of vaccines is necessary to produce adequate antibodies against the virus.
thanks
regards
Dr. M Ishfaq Habib
Above answer was peer-reviewed by : Dr. Chakravarthy Mazumdar
doctor
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Follow up: Dr. Muhammad Ishfaq Habib 23 hours later
Dear doc,

I paid again come to know more about rabies.

sorry to ask so many questions .

1) first u have mentioned 6 doses is good for one year but I took nearly 7 to 8 doses then y I need booster even I received booster shot before two month only so any way antibodies is on blood

2) I just want to know the dog catchers in India exposed routinely to dog bites.so, they are in high risk any way its not possible to take vaccination all the time for his exposures
doctor
Answered by Dr. Muhammad Ishfaq Habib 50 minutes later
hi
your are open to ask as many questions as much you can
1.According to you, you took 4 doses for a bite that was provoked. I told you that for provoked bites you don't even need to have vaccinations. and you do not need to get booster dose. what i suggest you was that if you are again exposed to dog bite and if you suspect the dog to be rabid then you must have the vaccination from start. if you have already taken 7-8 vaccination according to the schedule then you do not need to go for vaccination again.
2. Regarding the dog catchers exposed to bites have repeated vaccination annually and they are routinely screened for different diseases. some of them might get rabies but when we never now. but if they are exposed to bites then they are vaccinated which i told you works for almost one year although they have their safety measurement before catching dogs
feel free for further queries
thanks
regards
Dr. M Ishfaq Habib

Above answer was peer-reviewed by : Dr. Chakravarthy Mazumdar
doctor
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Follow up: Dr. Muhammad Ishfaq Habib 11 hours later
Thanks for your reply doc,

1) I had 7 to 8 doses in different schedules in one year so any way it going to provide protection for atleast one year may I correct

2) I was going through some internet sites to know about the vaccination for high risk groups from the that cdc recommends prep and boosters every six months for bite, nonbite, aerosol exposure but it recommend for every six months routinely if we take this then it provides protection
For us

3) I received booster before two months only so it good for another four months that's why i skip the booster for my exposure can I take booster after four months please advice
doctor
Answered by Dr. Muhammad Ishfaq Habib 4 hours later
hi
You will find different information on different sites but there authenticity is never confirmed as it is submitted by some article writers. they may be correct.

We follow standard health protocols that are recommended by recognized institutes like WHO criteria, some UK and USA medical associations which is having continuous research on different cases and publishes latest protocols.

So as i told you earlier you do not need any booster or any vaccination. just wait for the dog to bite you then you can start over the vaccine dosage. the schedule is set up according the formation of the antibodies. each dose is booster one whose duration doubles at each dose. this time is set according to half life of the antibodies. if you miss a dose it means your antibodies level have declined. the next dose is not that much effective although it do have some effects but not the desired one.
hope you got my point
thanks
regards
Above answer was peer-reviewed by : Dr. Chakravarthy Mazumdar
doctor
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Follow up: Dr. Muhammad Ishfaq Habib 16 hours later
Dear doc thanks for your answers for following questions to clear my self

1) it is possible to contract rabies through non bite exposure (e.g) rabid dog saliva contact with eyes and mouth

2) can I take one booster to Keep protective antibody level for neutralize rabies virus or else ill wait for another 3 months to take a dose

3)I want to if it is provoked bite means its not a rabid dog.

4) what I have to do for unknown exposure to rabies whether my current vaccination gives some protection.please answer for al my questions thanks in advance
doctor
Answered by Dr. Muhammad Ishfaq Habib 9 hours later
Hi
1. Yes it is possible for person to get infected from dog saliva of rabid dog but only if that saliva comes in contact with blood through wound or some other means. Cannot sPread from eye or mouth contact

2. In my opinion you do not need to take booster dose as you are not having any rabies infection but if you want to have it by your own choice then you can have as much doses as much you want.

3. Provoked bite means you have invited the dog to bite you by teasing or some other way otherwise the dog was normal. It do not require vaccination.

4. First thing you have to leave the worry of getting infected with rabies. You are already having some protection. The most common exposure is dot bite so whenever you had it, go for vaccination according the schedule and time I told you
Thanks
Regards
Above answer was peer-reviewed by : Dr. Chakravarthy Mazumdar
doctor
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Dr. Muhammad Ishfaq Habib

General & Family Physician

Practicing since :2010

Answered : 661 Questions

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