Pink is taking some time away from her tour … she says she’s suffering from a respiratory infection and is postponing a couple more scheduled shows as a result.

The singer shared the health update Thursday on social media, revealing her diagnosis and saying a doctor advised her to take a step back from performing.

Pink says she’s postponing her upcoming Friday and Saturday shows in Vancouver … and wants to reschedule for another date when she’s feeling better.

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As we reported … Pink previously postponed two shows in Washington state earlier this week, explaining “family medical issues require our immediate attention.”

Now, Pink’s postponed four shows altogether this week … and she’s not indicating when she may be back onstage. After Vancouver, her next scheduled gig is Wednesday in Denver, followed by a pair of shows in Kansas City.

Pink’s also got a ton of tour dates in November … and then she’s got a scheduled break for the holidays before picking up the overseas portion of her tour in February when she goes to Australia.

In the meantime, Pink says … “I wish everyone good health and am sending lots of love.”