Season seven of Outlander wrapped up recently with one very tragic death after Old Ian Murray (played by Steven Cree) met his maker.

The latest season saw Jamie (Sam Heughan) and Claire Fraser (Caitríona Balfe) returning to Lallybroch, where they discovered Ian Sr. was close to death.

His wife Jenny Murray (Kristin Atherton) revealed how he’d come back from Culloden with a cough which never left him and simply got worse.

Before Ian’s end, he spoke to his son Young Ian (John Bell) with the youngster sharing his stories about his time with the Mohawk, along with the death of his daughter Iseabail and his love for Rachel Hunter (Izzy Meikle-Small).

Old Ian advised his son to go to Rachel and not to let love pass him by with Young Ian feeling duty bound to remain in Scotland and help support the family.

Old Ian Murray died at Lallybroch from TB(Image: STARZ)

How did Old Ian Murray die in Outlander?

Claire revealed to Jenny how she was unable to help Old Ian, despite her 20th medical knowledge and expertise as his condition was too far advanced.

All she could do was make Old Ian comfortable, before departing for the New World to help perform surgery on another patient, leaving Jamie behind with his best friend.

Old Ian was suffering from consumption or Tuberculosis (TB) – and in his case it was latent but nonetheless a killer in the 18th century.

Old Ian Murray had a heart to heart with his son(Image: STARZ)

According to the NHS, some symptoms include fever, fatigue, weight loss, a persistent cough with blood or mucus, among others.

If the lung infection had spread to other parts of the body, it would result in swollen joints, a headache, being sick and a headache, as well as other symptoms.

Nowadays, TB would be treated with a vaccine or antibiotics but these weren’t an option for Old Ian.

As seen in Outlander, Claire was trying to make penicillin in her surgery earlier than it had been invented to help treat her patients.

Old Ian Murray came back from Culloden with a cough that never left him(Image: STARZ)

Moreover, now there are X-rays, ultrasounds and various other scans on parts of the body to check for TB which wouldn’t have existed back then.

The NHS site states antibiotics would need to be taken for at least six months, showing just how serious this infection can still be today.

Old Ian wasn’t the only one to die from TB, Alex Randall (Laurence Dobiesz) – the brother of Captain ‘Black Jack’ Randall (Tobias Menzies) – also suffered from the condition as well as other health problems.

Old Ian Murray had latent TB which was a killer in his time(Image: STARZ)

TB was just one of many conditions that killed during the 18th century with Outlander showing just how perilous this era was.

Both Jamie and Claire have both nearly died several times over the years, with the 20th century doctor nearly perishing from baby loss and later lying close to death after a gunshot wound.

While Highlander Jamie almost died on the battlefield at Culloden from his injuries and later almost perished from a rattlesnake bite at the Ridge.