The vent on the roof of your house may be blocked up. Your will need to check that.
Try pouring a cup of vinegar into the toilet bowl and then add 1 cup of baking soda.
This will fizz up but freshen the pipes.
A shower with bleach or drano
Run a new cold supply line from the source. This will drain less pressure from the the cold shower line.
Employ a plumber.
change the cabin filters
You can call a professional in your area to come fix your shower or do it yourself by following a tutorial. How you fix your shower depends on what it is made out of such as fiber glass.
If the noise is only for a few moments after taking a shower, its the expansion on the hot water side. Water lines going through studs will expand and make noise. the only way to fix this is to get in the wall and either loosen the pipe or tighten it with a shim.
In your kitchen what is depositing in to the drain? If u hav the sink , dishwasher and washing machine u are more likely getting a smell that is a simple job of usual products to clean the dishwasher of the smell if its nt that its the job if grounds men that have to fix the outside drainage
your vent on your shower or kitchen (if you have one) is not working and either the air from the water in the shower drain is carried down stream till it T's off to your kitchen sink then the air follows to your kitchen sink drain line backwards and to your kitchen sink trap and then bubbles through your trap because your water in your kitchen trap can not drain but the air has enough pressure to go through it OR your water from your shower is flowing past your kitchen drain T and making a siphon which causes air to go through your kitchen trap and makes the gurgling sound one way to fix the problem is to add a Vent line on your kitchen drain and your shower drain with in 42" on 1 1/2 or 60" on 2" on your trap arm if you want to follow the UPC code. Note to above Respondent: That little dot next to the question mark is a "period". Try throwing one in once in a while.
Change the filter and clean the coil. If it smells like a dead animal clean your duct work.
" fix" is too general. We need an idea of what the problem is.
What is wrong with the shower handle? Loose? Too tight? Leaking? Not working?
to fix the shower all you have to do is pick someone up and place them on the shower then pick them up and place the in the laundry room on the small bucket in between the closet and the ironing board then they will atomaticly fix it. hope this helped, purple sherbert ninja cat