Comparing Clarithromycin vs Metronidazole
Clarithromycin Remove Clarithromycin from your drug comparison | Metronidazole Remove Metronidazole from your drug comparison |
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Clarithromycin Remove Clarithromycin from your drug comparison | Metronidazole Remove Metronidazole from your drug comparison | ||||||||||||||||
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Prescribed for Dental Abscess, Bronchitis, Bacterial Endocarditis Prevention, Helicobacter Pylori Infection, Pneumonia, Toxoplasmosis, Tonsillitis/Pharyngitis, Strep Throat, Skin or Soft Tissue... View more |
Metronidazole is an antibiotic that is particularly effective at treating infections caused by susceptible anaerobic bacteria and parasites. Avoid alcohol while taking metronidazole and for three... View more |
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Prescription only |
Prescription only |
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Ratings & ReviewsRecent helpful reviews |
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5.4
For Sinusitis: I was prescribed clarithromycin for a sinus infection. I have been battling this for four weeks. And two prescriptions before this. I am on day three and feel only a little better. I have read it takes 4-5 days to feel better especially if you have had it awhile. The sinuses are hard to penetrate. I have had no stomach problems, I recommend probiotics. Nasty taste in my mouth...Gatorade helps a bit. I have also had fatigue and headache but I am unsure if this is due to the antibiotics or that my body has had it with medication. Hope this helps someone. |
6.2
For Bacterial Vaginitis: I was diagnosed with BV and a yeast infection. I know what a yeast infection looks like and that’s not what I had.I initially went to the doctor for extreme burning sensation bloating and constipated. I do have sex with my bf but I couldn’t believe this was any reaction to sex. So they prescribed me one single dose for the yeast infection and 7 days for this metronidazole. I’ve been taking it and I did slip up and have sex with my bf in between taking it but I wasn’t getting any symptoms. Now today is the last day of my medication and this morning I woke up had to pee and it BURNED and the feeling doesn’t go away until hours later! I don’t understand why this is happening For Bacterial Vaginitis: I’m on day 7 of the 2x a day 500mg pill. Overall not a bad experience. The only side effects I can say I’ve definitely noticed is the metallic taste of the pill while swallowing, which I took after breakfast/dinner. I also had very soft stool throughout the entire week of the medication, and my urine was significantly darker than usual but other than that nothing major. My BV discharge and smell went away so I would say it did its job! |
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Drug Class |
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Side Effects |
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Commonly reported side effects include: dysgeusia. See the full clarithromycin side effects document. |
See the full metronidazole side effects document. |
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Pricing and Coupons* Prices are without insurance |
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View all clarithromycin prices |
View all metronidazole prices |
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Generic Availability |
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Yes (this medicine) |
Yes (this medicine) |
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Dosage Form(s) Available |
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Brand Names |
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Biaxin XL | Flagyl, Flagyl 375, Flagyl IV, Metro, Metro IV | ||||||||||||||||
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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7 hours |
20 hours |
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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 619 drugs are known to interact with clarithromycin:
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A total of 322 drugs are known to interact with metronidazole:
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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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October 31, 1991 |
July 18, 1963 |
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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 Sinusitis: I was instructed to take this clarithromycin antibiotic for 10 days for a suspected sinus infection. The joke is that my doctor didn't do any testing to make sure that I had a bacterial sinus infection - it could've been viral or fungal, but I was just handed these drugs & sent on my way. I got all the usual side effects, upset stomach, the worst bloating ever and gas all day long. I took them with food but it still affected me. The bitter taste in my mouth was disgusting but tolerable. By day 5 heartburn struck & I felt very unstable mentally & physically. I began to get oral thrush caused by these tablets and this is when I gave up. I couldn't push myself to take anymore & now I have to take more medicine to clear the thrush. I can't even give the tablets any credit for clearing my infection because I may not have needed them to begin with.