Introduction
Medical microcopy — the short bits of text in an app or wearable — shapes user behavior. Well-crafted microcopy improves understanding, trust and medication adherence. This guide gives rules and hands-on examples for CTAs, instructions and messages in mobile and wearable contexts.
Why microcopy matters in health
Users decide quickly. Clear microcopy reduces hesitation, prevents mistakes and supports treatment adherence. On small screens, every word counts: less friction equals better outcomes.
Core rules for medical microcopy
- Be clear and direct: use active verbs and plain commands.
- Prioritize action: tell users what to do and why in as few words as possible.
- Use familiar language: avoid clinical jargon; if needed, add a short explanation.
- Chunk content: break instructions into numbered steps for small screens.
- Provide confirmations: brief affirmations reduce anxiety (“Saved”, “Reminder set”).
Practical examples (CTAs and messages)
- Medication reminder CTA: “Remind me at 8:00” — clear and actionable.
- Dose confirmation: “Dose logged. Well done.” — positive reinforcement.
- Inhalation prompt on wearable: “Inhale slowly for 5 s” — action + timing.
- Error message: “Daily dose missing. Log it now?” — question that invites action.
- Low-literacy variant: icon + text: [pill] “Take now”.
Microcopy for consent & alerts
- Consent snippets: summarize risks in one line (“Sharing data helps tailor your care”).
- Critical alerts: give direct steps (“If you have trouble breathing, call emergency services”).
Testing and metrics
- 5-second comprehension test: ask users to paraphrase the message.
- CTA conversion rate: percent completing the action.
- Input error rate: incorrect entries after instruction.
- Qualitative feedback: short interviews about tone and clarity.
Quick implementation checklist
- Draft in plain language.
- Aim for 3–5 word CTAs when possible.
- Add positive confirmation after actions.
- Test in real mobile/wearable contexts.
- Track KPIs and iterate.
Conclusion
Thoughtful microcopy turns tiny interactions into sustained adherence. Short, action-driven messages reduce friction and improve outcomes. At SumaLatam we craft microcopy, run user tests and measure impact. Contact us to pilot microcopy for your product.
