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Doctor insights on: How Long Do You Have To Wait To Donate Blood

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How long do you have to wait until you can take a pregnancy test?

How long do you have to wait until you can take a pregnancy test?

4-5 days after : Missed period. It is better to wait 4-5 days after a missed period to do home test. Use first morning urine and folow the instructions in the kit carefully. Blood test may be positive sooner. See this site for early signs of pregnancy. http://www.webmd.com/baby/guide/pregnancy-am-i-pregnant. ...Read more

Dr. Donald Alves
361 doctors shared insights

Blood Donation (Definition)

Blood donation is the act of giving ones blood to a blood bank, so that it may be used in the future to help someone else. People with transmissible viral diseases, such as HIV or hepatitis C, are not able to donate blood, as ...Read more


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How long after your hysterectomy do you have to wait to have sex?

How long after your hysterectomy do you have to wait to have sex?

6 weeks: The usual recommendation is to avoid vaginal intercourse, or anything in the vagina for 6 weeks. This allows the stitches at the top of the vagina to heal properly. Clitoral stimulation, if it is comfortable, is safe before 6 weeks. Orgasm, because it causes contraction of pelvic muscles, may pull on healing tissue and might be uncomfortable in the weeks after pelvic surgery. ...Read more

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How long do I have to wait to donate plasma after having a baby? How long do I have to wait to donate plasma after having a baby?

How long do I have to wait to donate plasma after having a baby? How long do I have to wait to donate plasma after having a baby?

Most : Most recommendations say that you can donate plasma 6 weeks after delivery, though some companies will require that you wait 6 months. You may want to call the facility you are planning to use to donate and ask what their policy is on donation after pregnancy. ...Read more

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What do you advise if i was wanting to donate plasma, how does it work and how much do you get paid?

What do you advise if i was wanting to donate plasma, how does it work and how much do you get paid?

Plasma donation: Donating plasma takes time and commitment. To help ensure a safe and adequate supply of lifesaving plasma, donors are provided with a modest stipend to recognise the substantial commitment of personal time and travel required to be a plasma donor. each plasma collection facility sets its own compensation rates. ...Read more

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How long do you have to wait after intercourse to find out if you have chlamydia?

How long do you have to wait after intercourse to find out if you have chlamydia?

See answer: Incubation period for chlamydia and for symptoms to appear is 1-3 weeks keeping in mind that many people do not have symptoms. The test for chlamydia may be positive as soon as 2-3 days after inoculation; less likely to have a false negative test (i.e. Negative test result but infected) if you wait 7 days; and least likely to have a false negative test if you wait 14 days before getting tested. ...Read more

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How long will you have to sit to get a blood clot?

How long will you have to sit to get a blood clot?

Blood clot: I don't believe there's a definitve time frame in regards to developing a blood clot. Many factors need to be considered. Things like age of the patient, smoking, cardiac conditions, obesity and prior history of DVT all predispose someone to an increase risk of developing a blood clot. ...Read more

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How to know if you have long arms?

How to know if you have long arms?

Measure: Finger tip to finger tip length approximates your height. See the drawing of davinci's man. When your armspan exceeds your height there is usually a reason the spine or legs are short. ...Read more

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How do they do a test if you can donate organs to your relatives?

How do they do a test if you can donate organs to your relatives?

Blood: Very extensive blood test need to be done for exact mach for organ donation. ...Read more

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How long do you have to wait after acutane to be able to get pregnant?

How long do you have to wait after acutane to be able to get pregnant?

1 month: Most of the medicine byproducts are gone after 10 days since last dose. But it's recommended to wait 30 days before trying to get pregnant. ...Read more

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How long I have to wait to donate blood again(i can't wait long)and can I start weight training immediately?

How long I have to wait to donate blood again(i can't wait long)and can I start weight training immediately?

2 months: Red blood cells take 6 to 8 weeks to replenish. There are many other components of blood that replenish sooner such as plasma. However, most donation centers do not allow repeated donation sooner than 8 week. After donation it is advised to hold off on strenuous activity for a few days. If you get lightheaded or dizzy, then rest is advised and you should see your physician for evaluation. ...Read more

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What to do if I go for another blood test tomorrow, how much blood will they take?

What to do if I go for another blood test tomorrow, how much blood will they take?

Not much: If for blood sugar, you need to fast, no food after dinner,or before midnight. They will be gentle get some info and if panels will take a few vials from your arm vein or even just finger stick if just a few test. The manner depends on your docs prescription and the venue of the test: if Quest usually a couple or several small tubes are enough,not to worry less much less than donating your blood. ...Read more

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How long do you have to starve yourself for a fetus to die?

How long do you have to starve yourself for a fetus to die?

Please do not do : This. You body will catabolize itself to provider calories for your pregnancy. If you do not want to be pregnant - please see your physician, gynecologist/ obstetrician or a family planning clinic. ...Read more

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How long do I have to wait to take a pregnancy test to know if I'm pregnant or not ..?? Don't have a period due to Depo-Provera so how will I know

How long do I have to wait to take a pregnancy test to know if I'm pregnant or not ..?? Don't have a period due to Depo-Provera so how will I know

3 weeks for accuracy: A urine pregnancy test done correctly gives a reliable result 3 weeks after sex (3 weeks after when conception might have happened). If done sooner, a positive result is likely real, but a negative result may be due to testing too soon, and therefore lead to a repeat test. If a woman has her normal regular period, then she is not pregnant, and a test is not needed. ...Read more

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How long to one have to do dialysis?

How long to one have to do dialysis?

Depends: If you are diagnosed with irreversible kidney disease, you need dialysis life long until you get kidney transplant.If your docs are expecting recovery of kidney function, you may need dialysis until your kidney recover sufficient function.Pls discuss with nephrologist ...Read more

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How long do you have to wait to sleep after you eat?

How long do you have to wait to sleep after you eat?

Recommend that: You wait at least 2 to 3 hour safter dinner. Dinner should be small to moderate. ...Read more

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How long does it take the red cross to test blood to see if you can donate?

How long does it take the red cross to test blood to see if you can donate?

Minutes: They test the blood for iron levels while you are there. You also fill out a health questionnaire. Between the two they can determine if you are qualified to donate. ...Read more

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How long do you have to wait to get pregnant after l5s1 discectomy?

How long do you have to wait to get pregnant after l5s1 discectomy?

not a right answer: Are you asking, when can you have sex following surgery? This will vary by surgeon, so check with yours. I usually let patients resume activities if they are doing well at the first post-op visit, as long as they use their common sense. ...Read more

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How long do you have to wait to kiss after having mono?

How long do you have to wait to kiss after having mono?

2-3 months: Mono is known as the kissing disease because it can be transmitted through saliva. The best way to know is to get a lab test to comfirm resolution, however, two months is a safe time to wait. ...Read more

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How long I have to wait to donate blood again(i can't wait long)and can I start weight training immediately?

2 months: Red blood cells take 6 to 8 weeks to replenish. There are many other components of blood that replenish sooner such as plasma. However, most donation centers do not allow repeated donation sooner than 8 week. After donation it is advised to hold off on strenuous activity for a few days. If you get lightheaded or dizzy, then rest is advised and you should see your physician for evaluation. ...Read more

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How long should i wait to donate blood after smoking marijuana??

How long should i wait to donate blood after smoking marijuana??

One week: One week will be more than enough. However, you should disclose your marijuana use to the doctor or nurse at the blood center. It is commendable that you want to donate blood and do your civic duty. For the sake of your own health, you should not use weed. For good health - Have a diet rich in fresh vegetables, fruits, whole grains, milk and milk products, nuts, beans, legumes, lentils and small amounts of lean meats. Avoid saturated fats. Exercise at least 150 minutes/week and increase the intensity of exercise gradually. Do not use tobacco, alcohol, weed or street drugs in any form. Practice safe sex. ...Read more

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How long should I wait to exercise after giving a blood donation?

How long should I wait to exercise after giving a  blood donation?

Two days!: Minimum time to increase plasma volume which determines cardiac output. However, your bloods oxygen carrying capacity will be diminshed for several weeks, giving you a slight decremetal performance. ...Read more

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How long should I wait to exercise after an apheresis blood donation?

How long should I wait to exercise after an apheresis blood donation?

Not long: It might be recommended to wait a few hours to let the puncture site heal a bit and rehydrate, but usually no more than that needed for light exercise. ...Read more

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How long am i suppose to wait to exercise after giving an apheresis blood donation?

How long am i suppose to wait to exercise after giving an apheresis blood donation?

Usually next day OK: The phlebotomist / nurse will instruct you as you are being bandaged at the end of the process to avoid tobacco for a few hours, alcohol for the day, heavy lifting (--or strenuous activity--) for 8 hours or until the next day, etc. If you will be using your arms a lot, might be wise to put a bandaid over puncture site, but should be ok by next day. ...Read more

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Could I donate blood after long term infection?

Could I donate blood after long term infection?

If resolved & well: As long as a reasonable amount of time has passed since treatment and you are back to feeling well, most cases, yes, can donate. Red Cross can answer specific questions: 1-800-RED CROSS (1-800-733-2767). ...Read more

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How long after being deferred for low iron levels can you attempt to donate blood again?

How long after being deferred for low iron levels can you attempt to donate blood again?

Look for letter: Usually screening Nurse will tell you if it is informal deferral & you can try again (after fixing issue) the following month. If more formally deferred, You will likely get a letter explaining the deferral and its duration. If tried at a Red Cross center, can call their donor line (800-733-2767) and ask--if you've eaten your dark greens (or iron supplement) they can set new appt to try again. ...Read more

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If I donate blood, for how long should I keep the bandage on my arm and when can I apply cream to lubricate the injection area to help it heal better?

If I donate blood, for how long should I keep the bandage on my arm and when can I apply cream to lubricate the injection area to help it heal better?

Remove: in about an hour.

Suggest you will heal well without any creams or lotions but if you are worried about infection keep a simple dry sterile dressing ( eg: BandAid) on the spot for a few days!
Thanks for donating!

Dr Z ...Read more

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May I know after having dengue fever how long until I can donate blood to the others?

May I know after having dengue fever how long until I can donate blood to the others?

American Red Cross: recommends deferring blood donations for 6 months if you have had Dengue Fever. “In most countries, donors who have been infected with dengue virus are deferred for periods of up to 6 months or even longer if they have received blood transfusions.” REF: https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2713854/
REF: http://www.americanredcrossblood.org/faq.html ...Read more

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What if i take a one dose antibiotic for a yeast infection, how long till i can donate blood?

What if i take a one dose antibiotic for a yeast infection, how long till i can donate blood?

Hydration: You need to make sure you are drinking enough water to keep yourself well-hydrated. If you still have dark urine, you are probably not drinking enough water. ...Read more

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Who can't donate blood?

Who can't donate blood?

American Red Cross: states one should not donate blood if they have had: previous/ current cancer, Hx of Hepatitis C or B, HIV infection or high risk for getting infected, IV/oral drug abuse, autoimmune diseases (XLE, RA, Thyrotoxicosis), some serious chronic illnesses (cardiac/ pulmonary). REF: http://www.americanredcrossblood.org/faq.html ...Read more

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Who cannot donate blood?

Who cannot donate blood?

See Red Cross page: There are a few basic and many specific rules for blood donors--these pre-screen the blood supply as a first step in keeping our nation's blood supply as safe as possible. For more information, please visit: http://www.Redcrossblood.Org/donating-blood/eligibility-requirements. ...Read more

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How often can you donate blood?

How often can you donate blood?

Whole blood = 56days: it is perfectly safe for healthy adults to donate every 56 days (up to 6 times per year). Each unit can be used to help save up to three people, it is in desperate demand, and you get a cookie! ...Read more

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Is 108 lb enough to donate blood?

Is 108 lb enough to donate blood?

Eat a lot: You must weight at least 110 lbs for the am. Red cross to allow you to donate. Most peoples' weight fluctuates by a few pounds day to day, so you may qualify after big meal(s) and plenty of fluids. You will be one pound lighter when you are done donating! good luck and thank you for your efforts to donate! ...Read more

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What does it take to donate blood?

Donating Blood: First, good for you for wanting to do this community service. But, I am not sure why you are asking this simple question. One donates blood by going to a donation center and the staff there will prepare you and then take the blood and send you on your way. ...Read more

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Who is not eligible to donate blood?

Who is not eligible to donate blood?

Here's a good start: It's not complete. For example, when I was a student pilot, I was deferred because of concerns about handling low oxygen. http://www.redcrossblood.org/donating-blood/eligibility-requirements ...Read more

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Can a man donate blood for his wife?

Can a man donate blood for his wife?

If same blood type: If the man is the same blood type as the wife, then yes. If the wife is ab, then she can get any of the blood types (universal recipient). ...Read more

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Will i gain weight if i donate blood?

Will i gain weight if i donate blood?

No: Only if you eat too much after donating. You actually lose one pound (~1/2 kg) from leaving the unit of whole blood behind at the donor center. ...Read more

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