What it means
Hepatitis C is a virus that infects the liver. It is notable for one reason above others: it can sit silently for years, sometimes decades, without symptoms, and damage the liver meanwhile. That is why testing matters even if you feel completely well.
The good news is that treatment has changed substantially. Modern antiviral tablets cure the majority of cases in a short course — commonly eight to twelve weeks.
How it spreads
Mainly through blood:
- Sharing needles, equipment or drug preparation equipment
- Unsterilised tattoo or piercing equipment
- Blood transfusion or unsafe injections in settings without screening
- Less commonly, sexual contact where blood exposure occurs
- From a pregnant parent to a baby
It does not spread through sharing food or cutlery, hugging, coughing, sharing a room, or ordinary contact. Unlike hepatitis B, it is not commonly spread through casual sexual contact, though risk is higher with certain practices involving blood.
What can vary
Most people have no symptoms for years. When symptoms eventually appear they may include fatigue, joint pain, abdominal discomfort, nausea, poor concentration, and sometimes jaundice.
Chronic infection can lead to scarring of the liver (fibrosis) and, in a minority, cirrhosis. Untreated, this can take 20-30 years to develop, which is why screening of at-risk groups is worthwhile.
Not everyone exposed becomes chronically infected; some clear the virus naturally.
Possible explanations
Diagnosis is with a blood test. In many countries there is now a single-step test that both detects the virus and shows whether it is active.
Treatment is with direct-acting antivirals — tablets that eliminate the virus in most cases. A cure is confirmed by a test after treatment.
There is no vaccine for hepatitis C, so prevention is about avoiding blood exposure.
Warning signs
- Yellowing of the skin or eyes, very dark urine, pale stools, or a swollen abdomen — needs prompt assessment.
- Any blood exposure, particularly shared needles — get tested.
- Persistent fatigue or unexplained digestive symptoms in someone at risk.
What to do next
Get tested if you have ever shared needles or equipment, had unsterilised piercings or tattoos, or had a blood exposure before screening was universal.
If you test positive, treatment is short and curative. Ask about it directly.
Self-care
No self-care cures hepatitis C.
What you can do: avoid sharing anything that may have blood on it — needles, razors, toothbrushes; use barrier protection where relevant; and if you have chronic infection, keep up with monitoring. Liver-friendly basics — moderate or no alcohol, healthy weight, vaccinations including hepatitis A and B — all matter alongside treatment.
When to seek help
Routine: testing if you have ever had a blood exposure risk.
Prompt: jaundice, dark urine, or persistent symptoms in someone at risk.
Emergency: not typically.
How to talk about it
“I shared needles years ago and I want to be tested.”
“I had a piercing with a needle I wasn’t sure about.”
“I’ve been diagnosed and I want to start treatment.”
Myths and stigma
“Hepatitis C is incurable, so why bother testing.” Modern treatment cures the majority of cases with a short course of tablets. Many people carry it unknowingly for decades because it is silent.
“You can get it from sharing a cup or a hug.” You cannot. It spreads through blood — shared needles, unsterilised equipment, and unsafe medical injections.
“Only people who inject drugs get it.” Historically that has been a significant route, but unsafe medical injections, unsterilised tattoo and piercing equipment, and some sexual practices involving blood also transmit it.
Related articles
Sources
Public sources are linked so you can read the detail rather than take this site’s word for it. None of this has yet been reviewed by a qualified clinician — see how we handle medical review.
References
Where this comes from
Linked so you can check it against a recognised public health source rather than take this site's word for it.
- Hepatitis C — WHO World Health Organization (opens in a new tab)
- Hepatitis C — CDC US Centers for Disease Control and Prevention (opens in a new tab)
These are public sources from recognised health organisations, linked so you can read the detail rather than take this site's word for it. Reading them does not tell you whether any of it applies to you, and none of these articles has yet been reviewed by a qualified clinician. How we handle sourcing and review.