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When to Call a Plumber Immediately

a) If you've had your sink or toilet overflow for more than 24 hours – water damage could occur and spread bacteria. b) If you notice signs of mold, mildew, or rotting: be cautious as these can indicate structural issues.

When to Call a Plumber

a) If your sink is overflowing with water and the blockage persists – it's time for help. b) If you notice signs of mold, mildew, or rotting, even if they're not causing an overflow: be proactive about addressing the issue.

Other Signs to Watch Out For

Some signs that a blocked drain might require immediate attention include:

• bacterial growth or mold in sink or toilet bowls
• water pooling around the drain or on the floor near the affected area
• odor or stains coming from the drain

Conclusion

a blocked drain is not always an emergency, but it can become so if left untreated. Be aware of the signs and symptoms to address the issue promptly.

If in doubt, don't hesitate to call a plumber – they'll be able to assess the situation and provide guidance on the best course of action.