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Doctor insights on: Penicillin

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What is penicillin usually prescribed for?

What is penicillin usually prescribed for?

Infection: Any infection that is susceptible to it. In recent history, penicillin is used either for strep infections or syphilis. ...Read more

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Will penicillin that is 5 years old be effective?

Will penicillin that is 5 years old be effective?

Experation dates: Any medication especially antibiotics have expiration dates. It is always prudent to take medications prior to their expiration dates. ...Read more

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What would doctors prescribe a patient who is allergic to penicillin?

What would doctors prescribe a patient who is allergic to penicillin?

Depends: There are alternative antibiotics to penicillin-type antibiotics. The choice depends on the infection being treated. There is testing available for penicillin allergy. Those with penicillin allergy should see a board certified allergist for further evaluation. ...Read more

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Does anyone know why you was prescribed penicillin g procaine?

Does anyone know why you was prescribed penicillin g procaine?

STD maybe: The procaine eases the pain and prolongs the action. Used for STDs often..... ...Read more

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Is it okay to use penicillin for tooth infections?

Is it okay to use penicillin for tooth infections?

Maybe: See a dentist first. They should determine the cause of the infection before any medications are prescribed. Penicillin is used for some infections but taking it before seeing a dentist may make it more difficult for the dentist to determine the source. ...Read more

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I have a big raised rash on belly, used penicillin today, is that a typical allergic reaction from it?

I have a big raised rash on belly, used penicillin today, is that a typical allergic reaction from it?

Maybe: And you should stop taking it. Whether you indeed have penicillin allergy or not should be assessed by an allergist after you have recovered from your current illness. ...Read more

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Is amoxacillin more effective than penicillin?

Is amoxacillin more effective than penicillin?

No, but: Amoxicillin is usually prescribed three times a day and does not matter when you eat. Penicillin is normally prescribed orally 4 times a day an hour before you eat. So compliance is harder for penicllin and so Amoxicillin is easier to be in compliance with and thus would be more effective. ...Read more

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Does penicillin work for severe toothaches?

Does penicillin work for severe toothaches?

Yes...but: If you have a severe toothache, any antibiotic will help... Provided you are getting a strong enough dosage. But this will only limit the time the tooth may bother you. You need to get the toothe fixed (root canal, filling or?) or get the tooth removed. If you don't and that infection returns. It will come back with greater pain and more bone destruction is quite possible. ...Read more

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Our 3 year old got a shot of penicillin last night due to strep. How long before it works?

Our 3 year old got a shot of penicillin last night due to strep. How long before it works?

24-48 hours!: Strep is easily treated with antibiotics --- usually oral can be fine; rare to treat with parenteral penicilin (unless vomiting), child not contagious 24-48 hours after treatment. When using oral meds, treatment usually 10 days. In same household, strep is only about 25% contagious. Rare in adults, diagnosisi must be made by positive culture and antibiotic treatment. ...Read more

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I started taking penicillin a day and a half ago for strep class c. I still feel terrible if not worse. How long will it take to kick in?

I started taking penicillin a day and a half ago for strep class c. I still feel terrible if not worse. How long will it take to kick in?

Call your doctor NOW: You really should start to feel better. Depending on the thpe of infection you have, it may have developed into something that requires further intervention such as intravenous antibiotics, or else a drainage procedure of abscess. Regardless, prompt attention is needed, to minimize complications. ...Read more

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Is penicillin safe to take while pregnant?

Is penicillin safe to take while pregnant?

Meds in pregnancy: You should ask you OB about any medication use in pregnancy. Depending on your trimester some meds ar okay and some are not. Usually penicilllin is considered safe. ...Read more

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If you take penicillin and benadryl, (diphenhydramine) what can happen?

If you take penicillin and benadryl, (diphenhydramine) what can happen?

See below: These 2 drugs can be taken at the same time. There will be no loss of activity of either drug and no increased toxicity or side effects. ...Read more

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I had a steroid shot and an antibiotic injection with a penicillin base on saturday today is sunday. I have a flushed face. Is this a side effect?

I had a steroid shot and an antibiotic injection with a penicillin base on saturday today is sunday.  I have a flushed face.  Is this a side effect?

Probably: Flushing after steroid injection is not uncommon. If it is from the antibiotic, that's a bit more concerning. If you have any trouble breathing, swallowing or feel faint, you should head to the er. It may be the start of an allergic reaction. ...Read more

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What are the side effects of penicillin?

What are the side effects of penicillin?

Pretty mild: Allergy to this is generally a rash, could be throat swellling. Take afte food, all antibiotics can nauseate you or upset your stomach a bit. ...Read more

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How long does a penicillin rash last?

How long does a penicillin rash last?

Drug Rash: It can still last a week to two. Must stop the offending antibiotic immediately and contact your doctor if any tongue or throat swelling (anaphylactic reaction) then it is an Emergency and must call 911 and go to ERl ...Read more

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How long does hives last that are all over body as a reaction to penicillin?

How long does hives last that are all over body as a reaction to penicillin?

Days to weeks: Usually they resolve in a few days. In rare instances hives from antibiotics may take several months to resolve. ...Read more

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How long do side effects last from penicillin g benzathine a shot?

How long do side effects last from penicillin g benzathine a shot?

Pencillin: Benzathine penicillin has duration of activity for 2-4 weeks after intramuscular route. Adverse events from an antibiotics may occur days/weeks after the antibiotic is discontinued therefore if side effect occurs after benzathin penicillin it may occur while the patient is on it or after it is discontinued and may last longer than duration of activity. ...Read more

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What happens if a spleen is damaged the extent you have to be on penicillin for the rest of your life, what happens to it?

It Involutes: A damaged or dysfunctional spleen can gradually be resorbed by the body. This process is called involution. Sometimes a small remnant of the spleen will remain but it is not large enough or has enough blood flow to perform its job. ...Read more

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I'm allergic to penicillin is it relevant and necessary for me to wear a medical id bracelet!?

I'm allergic to penicillin is it relevant and necessary for me to wear a medical id bracelet!?

If your allergy: Produces a significant life threatening condition then yes you should. Those individuals allergic to penicillin can also cross react to cephalosporins (commonly prescribed antibiotic) in 5-10% of cases,. ...Read more

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Hi docs, would penicillin interact with allergy pills?

Hi docs, would penicillin interact with allergy pills?

Usually not: Most common antihistamines and steroids, used for allergy do not interact with penicillin. ...Read more

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Safe to mix penicillin vk and food?

Safe to mix penicillin vk and food?

Penicillin: It is preferred to take penvk on an empty stomach for better absorption. However, if it causes abdominal discomfort, it can be taken with food and it will still be as effective. ...Read more

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Is it possible to overdose on regular penicillin?

Is it possible to overdose on regular penicillin?

Unlikely: Depends upon what you call overdose. If you ingest too much, you will probably get sick to your stomach and throw up the excess. There is no generally acceptable lethal dose of penicillin. Most prescriptions do not contain enough peniciliin to even make you sick. ...Read more

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How much time does it take for penicillin to start relieving toothache pain?

How much time does it take for penicillin to start relieving toothache pain?

Penicillin is good: If you have a dental abscess or swollen infected tissue. It will take a day or so to work it may stop the pain for a day or up to a week, but unless you get a dental treatment the problem will keep reoccurring, sometimes each time worse than the first. Remember, toothache pain will not go away on its own and dental treatment is a must. ...Read more

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I'm allergic to penicillin. What are the complications if I am given this antibiotic by accident?

I'm allergic to penicillin.  What are the complications if I am given this antibiotic by accident?

Depends: When one is truly allergic to penicillin, if given this could cause a reaction anywhere from hives to serious anaphylaxis. A great number of people who have a history of a reaction to penicillin, especially just a rash, may not truly be allergic or at risk. A board certified allergist can do an evaluation including allergy skin tests and an oral challenge if indicated. ...Read more

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What happens if you can't have a penicillin shot for syphilis?

What happens if you can't have a penicillin shot for syphilis?

Doxycycline: Doxycycline for 2-4 weeks is recommended if penicillin cannot be given, or sometimes ceftriaxone. However, penicillin is by far the best drug. If you had a severe penicillin allergy in the past, then probably penicillin should be avoided. Otherwise, it still might be the best choice for you. Discuss it with your doctor or, even better, an infectious disease or STD specialist. ...Read more