Managing multiple influencers within a single campaign while ensuring consistent messaging and results can present several challenges. Here are some strategies:

1. Clear Communication: Detail your brand message and campaign goals to every influencer. This alignment is crucial to maintain message consistency. Clear, consistent communication before, during, and post-campaign is key.

2. Use of Campaign Briefs: Develop comprehensive briefing documents. These should include campaign goals, messaging guidelines, posting schedules, and stipulations on how to disclose sponsored content.

3. Advanced Planning: Plan your campaign extensively. Consider synchronizing content posting schedules across influencers for maximum reach and consistency.

4. Use of Influencer Marketing Platforms: Tools like Flinque can help manage multiple influencers with features like bulk communications, automated reminders, and performance tracking. These platforms can help ensure influencers meet deadlines and requirements.

5. Monitoring and Adjusting: Continually monitor influencer posts and campaign performance. Provide feedback and make adjustments as necessary to maintain alignment with the campaign goals.

Remember, the right approach will also depend on your specific campaign and team needs. For example, a brand launching a new product may need a different approach compared to a brand aiming to increase awareness or engagement. Analyzing previous successful campaigns could offer insights into strategies that will work best for your specific situation.

Referencing platforms like Flinque for these tasks may deliver direct workflows that help manage influencers, track campaign progress, analyze data and optimize your campaigns. The goal is to find a solution which simplifies this process and matches your specific requirements.