Comparing Levofloxacin vs Penicillin VK
Levofloxacin Remove Levofloxacin from your drug comparison | Penicillin VK Remove Penicillin VK from your drug comparison |
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Levofloxacin Remove Levofloxacin from your drug comparison | Penicillin VK penicillin v potassium Remove Penicillin VK from your drug comparison | ||||||||
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Levofloxacin treats a wide range of bacterial infections; however, it can cause some very severe and potentially irreversible side effects such as tendonitis or tendon rupture and should only be used... View more |
Prescribed for Bacterial Infection, Fusospirochetosis - Trench Mouth, Clostridioides difficile Infection, Cutaneous Bacillus anthracis, Lyme Disease - Erythema Chronicum Migrans, Otitis Media,... View more |
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Prescription only |
Prescription only |
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Ratings & ReviewsRecent helpful reviews |
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5.2
For Pneumonia: Was diagnosed with pneumonia 3 days ago had severe cough, diarrhea, and a fever of 102. Was put on levofloxacin 500mg for 7 days started with a round of IV antibiotics at the hospital the next day I was finally able to get out of bed, my cough was nearly gone and fever has subsided. I did have a few negative side effects. Insomnia, once I did fall asleep I woke up drenched in sweat, and just an overall dull feeling. |
6.8
For Bacterial Infection: I'm taking this for a tooth infection that started to spread. My lymph nodes were very painful and swollen. This med makes me feel dizzy, anxious and a pressure in my head. It reminds me of taking cold medications. I hate that part of it. But, it also seems to be fighting this tooth infection. My tooth and lymph nodes are not hurting as bad, and swelling has gone down. Still have a few days left though. For Bacterial Infection: I was diagnosed with BV and was prescribed Penicillin and MetroGel. I’ve had worse BV in the past and no side effects from the pills I took but these ohmygosh I give 5 stars only because I know the medicine is working but the way I’ve been feeling the last week is such a drag. My body is achy and I feel extremely tired and not to exaggerate but even a little depressed and can’t focus and it’s effected my memory. Makes me feel like I just want to lay in bed. The smell of the pills is foul and my urine smells like the pills. I understand antibiotics make you tired from them working but I’ve never felt so lethargic before and I drink plenty of water and I eat very healthy. If I ever get BV again I hope I don’t have to take Penicillin I’m not giving negative review it’s just how my body reacted to it everyone is different. |
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Drug Class |
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Side Effects |
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See the full levofloxacin side effects document. |
See the full Penicillin VK side effects document. |
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Pricing and Coupons* Prices are without insurance |
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View all levofloxacin prices |
We could not find an exact match for this medicine. Try searching the Price Guide directly. |
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Generic Availability |
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Yes (this medicine) |
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Dosage Form(s) Available |
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N/A | ||||||||
Brand Names |
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Levaquin |
N/A |
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Half LifeThe half-life of a drug is the time taken for the plasma concentration of a drug to reduce to half its original value. |
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6 hours |
1 hour |
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CSA Schedule**View glossary of terms. |
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Not a controlled drug
Is not subject to the Controlled Substances Act. |
Not a controlled drug
Is not subject to the Controlled Substances Act. |
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Pregnancy Category |
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Category C
Risk cannot be ruled out
See the full Pregnancy Warnings document. |
Category B
No proven risk in humans
See the full Pregnancy Warnings document. |
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FDA Alerts |
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Drug Interactions |
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A total of 450 drugs are known to interact with levofloxacin:
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A total of 36 drugs are known to interact with Penicillin VK:
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Alcohol/Food/Lifestyle Interactions |
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No known alcohol/food interactions. This does not necessarily mean no interactions exist. Always consult your healthcare provider. |
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Disease Interactions |
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First Approval Date |
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December 20, 1996 |
N/A |
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WADA ClassView World Anti-Doping Agency classifications. |
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N/A |
N/A |
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More Information |
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Consumer Resources |
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Professional Resources |
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Related Treatment Guide |
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** The Controlled Substances Act (CSA) schedule information displayed applies to substances regulated under federal law. There may be variations in CSA schedules between individual states.
Further information
Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.
For Pneumonia: I was diagnosed with pneumonia on 2/8/18 and given Levofloxacin 750 with 10mg of prednisone 2x daily. The first 3 day's I thought I was going to go out of my mind, constant insomnia (probably from the prednisone) with my head feeling crazy. Last night I took (1) Benadryl tablet to see if it would help, well believe it or not I eventually fell asleep for a couple of hours and got for awhile and fell back asleep for 2-3 more hours. I did wake up somewhat groggy and it took a couple hours to feel better. At least I got some sleep. If you are experiencing insomnia try the Benadryl it might help you. Made it easier to take this mornings dose. I hope everybody going through some of the same thing I'm battling good luck and if your gut tells you you can't take it anymore I think it's well understood why.