Low Mood vs Depression: UK Online Doctor Guide
Educational information — not medical advice.
This article was prepared by the OnlineDoctor24 editorial team and reviewed for factual accuracy against UK clinical guidance (NHS and NICE). It is not written by a doctor and does not replace personal medical advice. For symptoms specific to you, book an online doctor consultation.
Key points
- Low mood is normal and usually short-lived.
- Depression is persistent (2+ weeks), with multiple symptoms affecting function.
- PHQ-9 score of 10+ suggests clinical depression.
- Self-help and lifestyle help mild low mood; depression usually needs treatment.
- An online GP can assess and guide treatment.
How they differ
- Low mood: hours to days, mood reactive to good events.
- Depression: weeks of persistent low mood, poor sleep, low energy, loss of pleasure.
- PHQ-9 questionnaire helps differentiate.
Self-help for low mood
- Behavioural activation — small enjoyable activities.
- Daily movement, fresh air.
- Connect with someone.
- Sleep, nutrition.
- Reduce alcohol.
When to see a GP
If symptoms last 2+ weeks, affect work or relationships, or include thoughts of self-harm, get assessed.
Frequently asked questions
Common questions UK patients ask about low mood.
How an online doctor can help
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This article is for general information only and does not replace personal medical advice from a qualified doctor. Content is reviewed against UK NHS and NICE guidance by the OnlineDoctor24 editorial team and is not authored by a medical doctor. If your symptoms worsen or you are unsure, please book a consultation with a GMC-registered GP.
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