How to Tell Your Boss You Are Calling in Sick

Everyone · How-to · Updated October 1, 2026 · LearnLife Editorial

What do you need before telling your boss you are calling in sick?

Before reaching out to your boss, prepare carefully to communicate effectively and professionally. First, understand your symptoms and how they affect your ability to work. For example, if you have a fever and fatigue, you likely cannot perform your duties safely or productively. Avoid oversharing personal health details—keep it simple. Next, review your company’s sick leave policy. Some workplaces require notification within a certain time frame, a specific method of communication, or a doctor’s note if you are out for multiple days. For example, if your company’s policy states you must inform your manager by phone at least one hour before your shift, plan accordingly. Also, gather information about your work schedule and any pressing tasks. If you know you have a project deadline, be ready to mention how you plan to handle it or suggest a colleague to cover. Finally, decide on the communication method—usually a phone call or email—and prepare a simple message like, “I am not feeling well today and need to take a sick day.” Having this information ready will help you communicate clearly and confidently.

What are the step-by-step instructions for calling in sick?

1. Notify your boss early: Contact your manager as soon as you know you cannot work, ideally before your shift starts. Early notice helps your team adjust schedules or assign urgent tasks. For example, if your shift begins at 9 a.m., call by 7 a.m. if possible.
2. Choose the right communication method: Follow your company’s preferred way of contact. Calling shows initiative and allows immediate feedback, while email provides a written record. If your boss prefers texting or messaging apps, use those. Always check your employee handbook or ask HR if you are unsure.
3. State your situation clearly and concisely: Use straightforward language such as, “I’m feeling unwell and won’t be able to come in today.” Avoid unnecessary medical details but mention if your illness might require more than one day off. For example, “I am sick today and will update you tomorrow about my return.”
4. Offer to assist if possible: If you feel well enough, mention any urgent work you can handle remotely or suggest who can cover your responsibilities. For instance, “I am unable to come in but can answer urgent emails from home.”
5. Express gratitude: Say something like, “Thank you for understanding.” It maintains professionalism and goodwill.
6. Confirm receipt: Ask, “Please let me know if you need any additional information.” This ensures your boss knows you are available for communication if needed.
7. Follow up if necessary: If you do not get a response within a reasonable time, send a polite follow-up message to confirm your absence was noted.

These steps make your call professional and respectful.

How can you tell if your boss accepted your sick call properly?

A proper acceptance of your sick call from your boss is shown by a clear acknowledgment. This might be a verbal response during a phone call, such as “Thanks for letting me know, feel better soon,” or an email reply confirming your absence. Sometimes, your manager might ask follow-up questions to clarify your expected return date or ask you to submit documentation like a doctor’s note. For example, your boss might say, “Please send a note if you’re out more than three days.” If you do not receive any response, it’s wise to follow up politely to confirm your message was received. An accepted sick call means you won’t face negative consequences and that your workplace will plan accordingly for your absence. If your employer reacts negatively or doubts your reason, remain calm and professional, and be prepared to provide any required documentation. Keeping a record of your communications can protect you in case of disputes.

What should you do if telling your boss you’re sick goes wrong?

Sometimes your boss might react unexpectedly, such as questioning your illness or pressuring you to work despite being unwell. If this happens, stay calm and keep your communication professional. Restate briefly and honestly why you cannot work, for example, “I am experiencing flu symptoms that prevent me from performing my duties safely.” If your employer requests a doctor’s note and you have seen a healthcare provider, provide the documentation promptly. If you have not seen a doctor but your symptoms persist, consider consulting one for both your health and employer requirements. If you feel pressured to work while sick, remind your employer that coming in sick can spread illness and harm workplace productivity. If conflicts continue, contact your HR department or a trusted supervisor for support. Keeping detailed notes and copies of your communications can help if you need to escalate. Finally, if you cannot reach your boss directly, try contacting HR or another manager according to your company’s policies.

How do you adapt calling in sick for different work environments?

Communication methods and expectations vary by work type. In traditional office settings, a phone call or email to your direct manager is standard. Maintain a polite, professional tone, and give as much notice as possible. For example, an office worker might say, “Good morning, I’m feeling ill and won’t be in today. I will follow up tomorrow.” For hourly workers or those on shift schedules, such as retail, food service, or healthcare, early phone calls or texts are critical because shift coverage needs quick adjustments. These roles may require you to speak directly to a supervisor or use a specific hotline. For example, “Hi, this is [Name]. I’m sick today and unable to work my 3 p.m. shift. Please let me know if I need to speak with anyone else.” Remote workers or freelancers can usually notify via email or messaging platforms. Since they often manage their own schedules, they should clarify availability or deadlines. For instance, “I’m unwell today and won’t be able to complete the report by the deadline; can we discuss a new timeframe?” In all settings, adapt your message’s tone and detail to the workplace culture and expectations, staying clear and respectful.

What wording can you use to call in sick professionally?

Using simple, respectful language helps maintain professionalism when calling in sick. Here are some sample phrases you can use or adapt to your style and situation:

• “Hello [Boss’s Name], I’m not feeling well today and need to take a sick day. I’ll keep you updated on my condition.”
• “I wanted to let you know I’m sick and won’t be able to come in today. Please let me know if you need me to send any documentation.”
• “I’m experiencing symptoms that prevent me from working effectively, so I will be taking the day off to recover.”
• “Due to illness, I need to take sick leave today. I appreciate your understanding and will check in tomorrow.”

Avoid overly detailed explanations or informal language like “I’m super sick” or “Can’t make it, feeling bad.” Keep your tone polite and straightforward. For additional examples and template messages, see the article with examples of calling out sick messages to your boss.

How do you prepare for returning to work after calling in sick?

Planning your return is an important step after being out sick. Before going back, check if your employer requires a doctor’s clearance or any paperwork, especially after extended absences. If your company policy requires a note, make an appointment with your healthcare provider. Upon returning, review any missed emails, project updates, or schedule changes. Reach out to teammates or your manager to catch up and clarify priorities. For example, “Thanks for covering while I was out. Can you update me on any urgent tasks I missed?” Additionally, practice good hygiene to reduce the chance of spreading illness if you had a contagious condition. If you still feel weak, discuss any accommodations you might need, like lighter duties or flexible hours. Showing responsibility and readiness when returning reassures your workplace of your professionalism.

Frequently asked questions

When is the best time to call in sick?

Aim to notify your boss as early as possible, ideally before your scheduled start time. Early notice allows your team to adjust and arrange coverage, reducing workplace disruption. If you wake up feeling ill, try to call or message at least one or two hours before you would normally arrive.

What if I don’t have a doctor’s note?

Many employers only require a doctor’s note after several consecutive sick days. Check your company’s policy. If you don’t have a note but feel genuinely ill, communicate honestly and offer updates. If asked, you might consider seeing a healthcare provider for documentation.

Can I call in sick for mental health reasons?

Yes, mental health is a valid reason to take sick leave. You can say, “I’m not feeling well today and need to take a sick day,” without specifying details. If comfortable, you might share more with HR or your manager, but it’s your choice.

How do I handle repeated sick days without damaging my reputation?

Be transparent and professional. If you have ongoing health issues, inform HR confidentially and follow company procedures. Stay in communication about your status and return dates. Focusing on responsible communication helps maintain trust.

What if my boss wants me to work while I’m sick?

Politely explain that working could worsen your health and risk spreading illness to coworkers. Emphasize your commitment to returning fully recovered. If pressure continues, consult HR or employee support resources.

Should I notify coworkers when I’m calling in sick?

Typically, notifying your manager is sufficient. If you work closely with a team and can do so without oversharing, a brief message like, “I’m out sick today, please reach out to [Manager’s Name] for urgent issues,” can help maintain workflow.