Authorities issued 11 arrest warrants for council's members, eight of whom were detained, including the association's head Rasit Tukel, state-run news agency Anadolu said.
Ankara prosecutors began a probe into the TTB council today after it issued a statement last week saying "war is a man-made public health problem".
The TTB also said that conflicts lead to "irreparable problems".
The comments led to angry remarks Friday by Erdogan about the "so-called Turkish Medical Association" whose members he described as "terrorist-lovers".
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Erdogan again hit out at the group on Sunday: "They are not intellectuals, they are a gang of unthinking slaves... They are the servants of imperialism."
The TTB ended its statement on Wednesday saying 'No to war'.
The Turkish leader described their stance as "real filth", adding: "Actually this is the dishonourable stance that should be said 'No' to."
Turkey launched a cross-border offensive supporting Syrian rebels with ground troops and air strikes on January 20 against the Kurdish People's Protection Units (YPG) militia in its western Syrian enclave of Afrin.
The PKK is blacklisted as a terror group by Ankara and its Western allies.
As the authorities go after those accused of deliberate disinformation", Erdogan's spokesman Ibrahim Kalin warned the public and media to be wary of "lying, fake, distortive and provocative news, images and gossip" last today.
The interior ministry today said 311 people including journalists and activists had been detained over accusations they were spreading "terror propaganda".
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