Giving blood when on antibiotics?

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Abigail Mosciski asked a question: Giving blood when on antibiotics?
Asked By: Abigail Mosciski
Date created: Wed, Feb 24, 2021 4:58 AM
Date updated: Thu, Jun 23, 2022 1:40 PM

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Top best answers to the question «Giving blood when on antibiotics»

You must be completely healed or recovered from any infection for at least 14 days before you give blood. If you are taking antibiotics you may need to wait a period of time after your last tablet.

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Blood donation on antibiotics is only acceptable when the person is taking it to fight infections related to these health conditions: acne, chronic prostatitis, peptic ulcer disease, periodontal...

It depends on why you’re taking the antibiotics. Recent infection – The infection must have resolved at least one week ago and you need to have completed the full course of antibiotics five days before you donate. Preventative antibiotics for mild acne or rosacea (minocycline, doxycycline or erythromycin) – You are eligible to donate.

CBC is not a specific test for infections, blood culture is, so if you are worried about infection, you should get a blood culture done, but since you are already on antibiotics, blood culture may not show. Get the CBC done, wait for two days after the completion of the antibiotics and get the CBC repeated. Hope this clears things up.

Yield of blood cultures during antibiotic therapy compared with yield of blood cultures performed prior to antibiotic therapy. Dashed vertical line denotes the start of antibiotic therapy. For 1 patient (0.72%), a pathogen (Bacteroides fragilis) that was isolated while the patient was receiving antibiotics had not been isolated from the preantibiotic blood cultures.

Best chance of positive blood cultures is before antibiotics In this prospective multicenter observational trial, researchers obtained blood cultures before and after initiation of antibiotics in patients with severe manifestations of sepsis (SBP < 90 mmHg or lactate >4 mmol/L).

The reason for antibiotic use must be evaluated to determine if the donor has a bacterial infection that could be transmissible by blood. Acceptable after finishing oral antibiotics for an infection (bacterial or viral). May have taken last pill on the date of donation.

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