What sti has early symptoms like fever, fatigue, dark urine, and jaundice and in the later stages can cause liver failure, heart attack, or liver cancer?

The answer is Hepatitis B and C.

Hepatitis B and C - It can lead to liver failure, liver cancer, or cirrhosis. Symptoms appear up to 6 months after infection and they include abdominal pain, dark urine, joint pain, and jaundice, fever, fatigue (mimics flu like symptoms).

nope, but i have cleaned my brush in my cup of not as potentially harmful but nevertheless, very upsetting for scottish/british folks. especially if you've used the last teabag for it

explanation:

there could be something in that . . i am indeed an old scottish man!

there's a bit of bolshie-ness with it too though. i won't let go of the old ways . . tea and whisky . . whether the young whippersnappers like it or not!