May 24, 2017
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Acanya Gel

Side Effects


Clinical Trials Experience

Because clinical trials are conducted under prescribed conditions, adverse reaction rates observed in the clinical trial may not reflect the rates observed in practice. Because clinical trials are also conducted under widely varying conditions, adverse reactions observed in the clinical trials of a drug cannot always be directly compared to rates in the clinical trials of another drug and may not reflect the rates observed in practice.

The following selected adverse reactions occurred in less than 0.2% of patients treated with ACANYA Gel: application site pain (0.1%); application site exfoliation (0.1%); and application site irritation (0.1%).

During clinical trials, subjects were assessed for local cutaneous signs and symptoms of erythema, scaling, itching, burning and stinging. Most local skin reactions increased and peaked around week 4 and continually decreased over time reaching near baseline levels by week 12. The percentage of subjects that had symptoms present before treatment, the maximum value recorded during treatment, and the percent with symptoms present at week 12 are shown in Table 1.

Table 1: Local Skin Reactions -Percent of Subjects with Symptoms Present. Combined Results from the Two Phase 3 Trials (N = 773)

  Before Treatment (Baseline) Maximum During Treatment End of Treatment (Week 12)
Mild Mod.* Severe Mild Mod.* Severe Mild Mod.* Severe
Erythema 22 4 0 25 5 < 1 15 2 0
Scaling 8 < 1 0 18 3 0 8 1 0
Itching 10 2 0 15 2 0 6 < 1 0
Burning 3 < 1 0 8 2 0 2 < 1 0
Stinging 2 < 1 0 6 1 0 1 < 1 0
*Mod. = Moderate

Postmarketing Experience

Anaphylaxis, as well as allergic reactions leading to hospitalizations, has been reported in postmarketing use of products containing clindamycin/benzoyl peroxide.

Because these reactions are reported voluntarily from a population of uncertain size, it is not always possible to reliably estimate their frequency or establish a causal relationship to drug exposure.

Read the Acanya Gel (clindamycin phosphate 1.2% and benzoyl peroxide 2.5%) Side Effects Center for a complete guide to possible side effects



ACANYA Gel should not be used in combination with topical or oral erythromycin-containing products due to its clindamycin component. In vitro studies have shown antagonism between erythromycin and clindamycin. The clinical significance of this in vitro antagonism is not known.

Neuromuscular Blocking Agents

Clindamycin has been shown to have neuromuscular blocking properties that may enhance the action of other neuromuscular blocking agents. Therefore, ACANYA Gel should be used with caution in patients receiving such agents.

This monograph has been modified to include the generic and brand name in many instances.

Last reviewed on RxList: 3/3/2017

Side Effects

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