Could I have colon cancer at age 20? Please help!?

with this kind of history, we usually refer such cases to general surgeons, not for surgery; but because such complaints fall under General Surgery (it is how medicine is divided).. having said that, i can only deduce that what you have is Celiac Disease.. first, your mom has it, and 1 in 10 people becomes Celiac with a Celiac parent.. also 20% of people who are Celiacs, do not see improvement with Celiac diet (meaning = if you switch to Gluten free diet (Celiac diet), there is 80% chance that the diet would help with your symptoms).. about 20% of people with Celiac Disease would progress to IBD inflammatory bowel disease (usually Ulcerative Colitis but sometimes Crohn's).. IBD is commonly associated with Anal Fissures; IBD can produce those fissures that presented with Frank Bleed (bright red blood dripping while passing stool..).. and about 10% of cases, the Celiac Disease test would be negative.. this is why we refer such cases for endoscopy..`

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now.. it is unlikely to be cancer because you are in the wrong age group.. it is like saying that "a 5 years old is capable of murdering his mother" -- but before you get comfortable, a 5 years old boy accidently shot his mother few years ago while he was playing with a gun he found in her purse.. it is highly improbable but not 100% impossible.. and to suspect cancer, you'd have strong family history of cancers in your family (a parent, an uncle or aunt or a sibling), such as breast cancers, Colorectal cancers and pancreatic cancers.. `

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the diagnosis (any diagnosis) is made via blood tests and via endoscopic investigations.. Xrays can sometimes detect IBD (but not so often), but its main use is to exclude bowel obstructions caused by conditions such as Diverticulosis (different from Diverticulitis that you grandma had).. HOWEVER, the more valuable investigation is endoscopic investigations, which includes Colonoscopy and/or OGDS (EGD in American spelling).. with endoscopy, doctors can visualize the problem and take samples when needed: it can diagnose cancers, IBD, Diverticulitis, Celiac Disease etc etc etc.. some institutions have small cameras shaped like a large pill that you can swallow, that take photos as it travels downward, but not all institutions/clinics have that.. `

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what i see is a normal progression of a case with this set of problems.. first try to treat common and simple conditions, such as Acute Gastritis and an Anal Fissure.. when the first course of treatment had failed, then move to the next level of investigation and treatment.. now, in your history, you mentioned that you have seen multiple GPs, which is a bad thing, because all GPs will start from square one and start to treat for common and simple conditions.. my point is.. do NOT be too quick to switch between doctors, because the next doctor will always start the investigation from level one..`

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we Doctors subscribe to Occom's Razor that is taught in medical schools.. we do not prescribe expensive and uncommon investigations and treatment without exploring the common and the less expensive ones first.. so trust the system and be patient.. and.. and all the best..

Probably IBS and hemorrhoids. If not, check for possible IBD (crohn's, ulcerative colitis). Having colon cancer at 20 years old basically makes you a case study--it's that rare.

You NEED to see a a gastroenterologist.  GP's are ok, but they are limited. 

A gastroenterologist will likely want to do a colonoscopy.((the procedure is safe.people who had them tend to over-exaggerate)))

If anything else, he will put your mind at ease.

This subject was addressed by a surgeon, he said colon cancer at age 20 is extremely rare,

i would go see your doctor about it

Sounds a lot more like IBS than colon cancer.

Given your age and family history, IBS is more likely than colon cancer.

Stress and anxiety (like worrying about cancer) can make IBS worse in many people.

It's really unlikely that it's colon cancer.

How unprocessed is your diet?