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Published on: 9/24/2026

What are the common side effects of clindamycin?

Clindamycin most often causes digestive side effects such as nausea, vomiting, diarrhea, stomach pain, and an unpleasant or metallic taste, while topical and vaginal forms may bring dryness, peeling, itching, or burning at the site of use. Less common but serious reactions include severe or watery diarrhea linked to C. difficile infection, which can begin even weeks after the final dose, as well as rash, hives, yellowing of the skin or eyes, and trouble breathing. Risk varies based on dose, formulation, length of treatment, and personal health history, so several factors matter here. See below to understand which effects are usually mild, which ones signal a medical emergency, and when to contact a clinician. Because it can be hard to tell a routine reaction from a warning sign, taking a free, instant online symptom check gives you a quick, private way to organize what you are feeling and clarify your next steps before symptoms escalate.

Last reviewed for medical accuracy: 09/24/2026

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Explanation

What Is Clindamycin Used For?

Clindamycin is a prescription antibiotic that fights bacterial infections. It works by stopping the growth of certain bacteria. Your doctor may prescribe it for:

  • Skin and soft tissue infections
    • Cellulitis, abscesses, infected wounds
  • Bone and joint infections
    • Osteomyelitis, septic arthritis
  • Respiratory tract infections
    • Pneumonia, lung abscess
  • Intra-abdominal infections
    • Peritonitis, appendicitis
  • Pelvic and gynecologic infections
    • Endometritis, pelvic inflammatory disease
  • Dental infections
    • Periodontal abscess, tooth extraction sites
  • Acne (topical formulations)

Clindamycin comes in various forms—capsules, liquid, creams, and gels. Your doctor will choose the right formulation and dose based on your infection type and severity.

Common Side Effects

Like all medications, clindamycin can cause side effects. Most people tolerate it well, but it’s important to know what to expect.

Gastrointestinal Effects

  • Diarrhea
  • Nausea and vomiting
  • Abdominal pain or cramping
  • Indigestion or heartburn
  • Loss of appetite

These effects happen because clindamycin alters the normal balance of bacteria in your gut. Drinking plenty of water and eating small, frequent meals can help ease mild stomach upset.

Skin and Allergic Reactions

  • Rash or redness
  • Itching (pruritus)
  • Hives (urticaria)

If you notice any rash, stop taking the medication and contact your doctor. Even a mild rash can be an early sign of a more serious reaction.

Local Irritation (Topical Use)

  • Dryness or peeling of skin
  • Burning or stinging
  • Oiliness

When using clindamycin gel or lotion, apply a thin layer to clean, dry skin. Avoid contact with eyes, lips, and open wounds.

Other Possible Effects

  • Headache
  • Metallic taste in the mouth
  • Vaginal itching or discharge (women)

Most of these side effects are mild and go away on their own as your body adjusts to the medication.

Serious Side Effects

While rare, clindamycin can cause severe reactions. Watch for any of these and seek medical help immediately:

  • Severe, watery, or bloody diarrhea
  • Signs of a colitis infection (Clostridioides difficile)
  • High fever, chills
  • Severe abdominal pain
  • Yellowing of the skin or eyes (jaundice)
  • Dark urine or pale stools
  • Severe rash, blistering, peeling skin (Stevens-Johnson syndrome)
  • Swelling of the face, lips, tongue, or throat
  • Difficulty breathing or swallowing
  • Unusual bleeding or bruising

These may signal life-threatening complications. If you experience any of them, call your doctor or go to the nearest emergency department.

Managing Side Effects

Most mild side effects can be managed at home:

  • Drink clear fluids and rest if you have mild diarrhea.
  • Eat yogurt with live cultures or take a probiotic supplement to restore gut bacteria (ask your doctor first).
  • Take clindamycin with a full glass of water and a light snack to reduce stomach upset.
  • Use over-the-counter anti-itch creams or antihistamines for mild allergic reactions (with your doctor’s approval).

If side effects persist for more than a few days or become bothersome, talk to your healthcare provider. They may adjust your dose or switch you to a different antibiotic.

When to Seek Additional Guidance

Any new or worsening symptom should prompt you to check in with a healthcare professional. You might consider doing a free, online symptom check, using the doctor approved Ubie Symptom Checker. This tool can help you decide if you need urgent care or can wait to see your regular doctor.

Talking With Your Doctor

Always let your doctor know:

  • Any other medications, supplements, or herbal products you’re taking
  • If you have liver or kidney disease
  • If you’ve ever had gastrointestinal diseases, like colitis
  • If you’re pregnant, planning to become pregnant, or breastfeeding

This information helps your provider choose the safest and most effective treatment for you.

Key Takeaways

  • Clindamycin treats a variety of bacterial infections of the skin, bones, respiratory tract, abdomen, and more.
  • Common side effects include diarrhea, nausea, rash, and local skin irritation.
  • Serious reactions, though rare, can be life-threatening. Always seek immediate care if you have severe diarrhea, rash, difficulty breathing, or signs of jaundice.
  • Most mild side effects can be managed at home with hydration, probiotics, and simple remedies.
  • Keep your doctor informed about your full medical history and any other medications you take.
  • For any worrying symptoms, speak to a doctor right away—don’t wait.

This overview is meant to inform and does not replace professional medical advice. If you experience any life-threatening or serious symptoms, speak to a doctor immediately.

(References)

  • * Soper DE. Clindamycin. Obstet Gynecol Clin North Am. 1992 Sep;19(3):483-96. PMID: 1436926.

  • * Elmore M, Rissing JP, Rink L, Brooks GF. Clindamycin-associated hepatotoxicity. Am J Med. 1974 Oct;57(4):627-30. doi: 10.1016/0002-9343(74)90015-1. PMID: 4432865.

  • * Pickering LK, Feigin RD. Stevens-Johnson syndrome. JAMA. 1973 Mar 19;223(12):1392. PMID: 4739414.

  • * Kandula S, Burke WS, Goldfarb JN. Clindamycin-induced Sweet syndrome. J Am Acad Dermatol. 2010 May;62(5):898-900. doi: 10.1016/j.jaad.2009.03.050. PMID: 20398826.

  • * Mackeen AD, Packard RE, Ota E, Speer L. Antibiotic regimens for postpartum endometritis. Cochrane Database Syst Rev. 2015 Feb 2;2015(2):CD001067. doi: 10.1002/14651858.CD001067.pub3. Epub 2015 Feb 2. PMID: 25922861; PMCID: PMC7050613.

  • * Bulloch MN, Baccas JT, Arnold S. Clindamycin-induced hypersensitivity reaction. Infection. 2016 Jun;44(3):357-9. doi: 10.1007/s15010-015-0826-2. Epub 2015 Jul 28. PMID: 26216470.

  • * Blumenthal KG, Ryan EE, Li Y, Lee H, Kuhlen JL, Shenoy ES. The Impact of a Reported Penicillin Allergy on Surgical Site Infection Risk. Clin Infect Dis. 2018 Jan 18;66(3):329-336. doi: 10.1093/cid/cix794. PMID: 29361015; PMCID: PMC5850334.

  • * Schrumpf E, Rizvi SMH. [Pustular drug eruption]. Tidsskr Nor Laegeforen. 2018 Nov 13;138(18). doi: 10.4045/tidsskr.18.0333. Epub 2018 Nov 5. PMID: 30421738.

  • * Dilley M, Geng B. Immediate and Delayed Hypersensitivity Reactions to Antibiotics: Aminoglycosides, Clindamycin, Linezolid, and Metronidazole. Clin Rev Allergy Immunol. 2022 Jun;62(3):463-475. doi: 10.1007/s12016-021-08878-x. Epub 2021 Dec 15. PMID: 34910281; PMCID: PMC9156451.

  • * Scolari M, Trovato D, Kot L, Ernst G. [Adverse drug reactions to multiple antibiotics]. Medicina (B Aires). 2023;83(1):158-162. PMID: 36774615.

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