Can't find Cleocin? Learn about effective alternatives to Clindamycin including Azithromycin, Doxycycline, Augmentin, and Metronidazole for your infection.
If your pharmacy can't fill your Cleocin (Clindamycin) prescription, you're dealing with a problem that thousands of patients face every year. Clindamycin injection has been in shortage since 2015, and oral and topical forms can also be hard to find at times.
The good news is that several effective alternative antibiotics exist. The right one for you depends on your type of infection, your allergies, and your medical history. This guide walks you through the most common alternatives — but always talk to your doctor before switching medications.
Cleocin is the brand name for Clindamycin, a lincosamide antibiotic made by Pfizer. It works by binding to the 50S ribosomal subunit of bacteria and blocking protein synthesis. This either stops bacteria from growing (bacteriostatic) or kills them outright (bactericidal) depending on the concentration and the type of bacteria.
Clindamycin is effective against:
It's commonly prescribed for skin infections, bone and joint infections, dental infections, gynecological infections, and respiratory infections. For a full overview, see our guide on what Cleocin is and how it's used.
Azithromycin is a macrolide antibiotic and one of the most commonly prescribed alternatives to Clindamycin. You might know it as a "Z-Pack."
How it works: Like Clindamycin, Azithromycin blocks bacterial protein synthesis — but it binds to a different part of the ribosome. It's effective against many gram-positive bacteria, some gram-negative bacteria, and atypical organisms.
When it's a good substitute:
Advantages:
Limitations: Not effective against anaerobic bacteria. Not a good choice for bone and joint infections or intra-abdominal infections where anaerobic coverage is needed.
Doxycycline is a tetracycline antibiotic with broad-spectrum activity. It's one of the most versatile antibiotics available.
How it works: Blocks bacterial protein synthesis by binding to the 30S ribosomal subunit (a different target than Clindamycin).
When it's a good substitute:
Advantages:
Limitations: Cannot be used in children under 8 or pregnant women. Causes sun sensitivity. Must be taken with food and water to avoid esophageal irritation.
Amoxicillin-Clavulanate, sold as Augmentin, is a penicillin-based antibiotic combined with a beta-lactamase inhibitor for broader coverage.
How it works: Amoxicillin kills bacteria by disrupting cell wall synthesis. Clavulanate protects it from enzymes that some bacteria produce to resist penicillin antibiotics.
When it's a good substitute:
Advantages:
Limitations: Cannot be used by patients with penicillin allergy (a major reason patients are prescribed Clindamycin in the first place). May cause more diarrhea than other options.
Metronidazole is a nitroimidazole antibiotic that specializes in killing anaerobic bacteria and certain parasites.
How it works: Enters bacterial cells and disrupts DNA, causing cell death. It's specifically effective against anaerobic organisms.
When it's a good substitute:
Advantages:
Limitations: No activity against aerobic gram-positive bacteria like Staph and Strep, so it won't cover skin infections on its own. Cannot drink alcohol while taking it (causes severe nausea and vomiting). Has a metallic taste.
The best alternative depends on your specific situation:
Important: Never switch antibiotics on your own. Always consult your prescriber. They know your infection type, culture results, and allergy profile. For help finding a prescriber, see our guide on finding a doctor who prescribes Cleocin.
Before switching to an alternative, it's worth trying to locate Clindamycin. Use Medfinder to search for pharmacies near you that have it in stock. Check independent pharmacies, consider different formulations, and ask about mail-order options.
For more strategies, see our guide on how to find Cleocin in stock near you.
Not being able to fill your Clindamycin prescription is stressful, especially when you're dealing with an active infection. But you have options. Azithromycin, Doxycycline, Augmentin, and Metronidazole are all proven antibiotics that can substitute for Cleocin in many situations.
Work with your doctor to find the best alternative for your specific infection. And don't forget to check Medfinder — you might find Clindamycin in stock closer than you think.
For more on the ongoing shortage, read our Cleocin shortage update for 2026.
You focus on staying healthy. We'll handle the rest.
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