7 Household Items That Should Never Be Flushed Down the Toilet

Posted by Blocked Drains Plumbing Sydney on 23 Mar 2026

Toilets are a common fixture in our homes that we regularly use. It’s easy to take its utility as something we take for granted, but it’s vital to remember that it’s not a trash can. Certain things should not go down the drain since they can cause blockage inside the sewer or damage for sewer drains.

Key Takeaways

  • Avoid flushing certain things into the toilet because they could block the drain, or cause harm to pipes in the sewer.
  • Seven household items you should never flush down the toilet include:
    • Baby wipes
    • Condoms
    • Cooking grease and oil
    • Female hygiene products (tampons and pads for sanitary use)
    • Medical Treatment
    • Dental floss
    • Paper towels
  • The act of flushing any of these items can result in blocked drains or damaged sewer pipelines inside your home’s plumbing system, which will result in an expense that is unimaginable to you.
  • Blocked Drains Plumbing Sydney offers unblocking blocked drains drainage clearing CCTV drain inspection and pipe relining services.

Seven household objects that you should never flush into the toilet.

1. Baby wipes

Baby wipes might seem useful, but they do not dissolve like toilet paper and can clog pipes. You should dispose of them in the garbage instead.

2. Condoms

Dissolving condoms in the toilet can cause blockages to the plumbing of your home as well as wastewater treatment plants.

3. Cooking grease and oil

Oil and grease should be removed from a container, and then disposed of in the garbage, since they will harden and cause obstructions in your drains or pipes.

4. Products for feminine hygiene

Tampons and sanitary pads are often advertised by their name as "flushable, " but flushing them will only lead to problems later when they mix with other things to create a nasty obstruction.

5. Medications

The flushing of medications should not occur into the toilet as they can contaminate our water sources.

6. Dental floss

Dental floss is designed to be durable that means it will not split in water, leading to the possibility of clogging your pipes.

7. Paper towels

In contrast to toilet paper, Paper towels have a thicker weave, which means they are less likely to break down quickly when wet, meaning they can easily blockage.

In the end, flushing any of these seven items will ultimately lead to blocked drains as well as damaged pipelines in your plumbing system that will result in a significant expense to the homeowner. Stay mindful of what you pour down your toilet.

Item Reason for not Flushing
Baby wipes Do not break down like toilet paper and can clog your plumbing system. Dispose of them in the trash instead.
Condoms Leads to blockages both at home’s plumbing and treatment plants.
Cooking grease and oil Will harden and cause blockages in your drains or pipes.
Feminine hygiene products Combining with other items creates a nasty clog despite being marketed as "flushable".
Medications Can contaminate our water sources.
Dental floss Designed to be strong, leading to potential blockages in pipes.
Paper towels Less likely to deteriorate quickly once wet, easily causing blockages unlike with toilet paper.

Frequently Asked Question

Can flushing feminine hygiene products really damage my pipes?

Yes. Products for feminine hygiene do not dissolve in water and could cause blockages in the sewer or your pipes.

Are flushable wipes actually flushable?

There is no need to worry, most "flushable" wipes don’t actually break down easily and can lead to clogs in your pipes.

Do I have to wash baby wipes by flushing them down the toilet?

No. Baby wipes should never be flushed into the toilet since they are not able to dissolve well and can cause blockages.

Are paper towels safe to flush?

No. Paper towels are thicker than toilet paper, and they do not break down with the same ease, resulting in potential clogs in the plumbing system.

What happens to medications? Can I flush those into the toilet?

No. Medicines can be harmful to our waterways. It’s important to dispose of the drugs in a proper manner, by bringing them to a designated place for drop-off.

If you find yourself dealing with blockage of your drain do not be afraid to contact our professional plumbing service at Blocked Drains Plumbing Sydney . We provide unblocking blocked drains as well as drain clearing CCTV drain inspection as well as pipe relining services to make sure your home remains free from issues with drainage. Call us now to make an appointment.

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