UPDATE:Pinkhas provided more details on the decision to postpone four tour dates.

According to social media messages she posted today, she says shes suffering from a respiratory infection.

As a result, she postponed shows in Tacoma, and now has added Vancouver to the delayed list.

Pink

PinkScott Legato / WireImage / Getty Images

The singer said a doctor advised her to take a step back from performing.

Live Nation are working on future dates to reschedule.

The statement continued, Family medical issues require our immediate attention.

WGA West building in Hollywood

I send everyone my sincerest apologies for any inconvenience this has caused.

I am sending nothing but love and health to all.

Pink didnt elaborate on the medical issues she is facing.