Anxiety issues

This sounds like an abnormal anxiety, since everyone uses the toilet (or some other location) to eliminate body wastes. We should observe standard sanitation practices (like hand washing), but human waste is really not that dangerous unless the person in question has some transmissible disease.

Do you have OCD? Being overly concerned about germs is a frequent expression of OCD.
If you do, hopefully you are under the care of a competent professional.

Andrew98 said:

No I don’t have professional help? Is that necessary?

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It's not necessary, but it may be advisable.

If your feelings cause you discomfort or interfere with your activities, you might try it;
If they really don't cause you trouble, then don't worry about them.

These feelings are only a problem if they bother you.

Andrew98 said:

No I don’t have professional help? Is that necessary?

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Maybe, but in the end that's up to you. Yours is probably not an uncommon issue, but seems to be one nonetheless.

You should know if and when it's time for help.

Andrew98 said:

No I don’t have professional help? Is that necessary?
Also If I do something that makes me feel dirty I have to have a shower and wash my hands at least 3 times.

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It sounds like you got some Obsessive Compulsive anxiety issues, but they are not completely out of control. The toilet thing is a bit unusual but not unheard of or even without merit. There was this TV show set in Victorian times that was a fictionalized but semi historical depiction of the development of modern medicine. There was an episode set during the times of "Typhoid Mary" where a health inspector would never shake hands with anyone because they were beginning to understand how diseases like Typhoid were transmitted, and he knew that many of the residents of the city of Boston (or maybe New York) especially the Irish immigrants had horrible hygiene and did not wash their hands, or did not use soap at least when they took a poop which was how Typoid was passed....


But that being said.... people of today have so much better hygiene... but those laws and signs at restaurants mandating that staff "wash hands" with soap and water are there for a reason. And it doesn't hurt also to speak up in social situations where you know people also are not properly washing their hands after using the rest room, especially at parties where you have food that is shared like Chips and Dip, salsa and other kinds of buffet food, and utensils. Within reason, you will be doing the people there a public service for pointing something like that out.

Andrew98 said:

When someone uses the toilet I feel like they are unclean and I stay away from them and don’t want them touch things or to come near me. This has been a problem for me for a few years. Is this normal or am I different?

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You don't use the toilet? My friend used to be like that and he would defecate into plastic bags and bury them in his backyard. I thought that handling the excrement was more unsanitary than not touching it and just flushing it . What do you expect people to do if they don't use the toilet?