He was later taken to Salisbury District Hospital, a short distance from Amesbury where Dawn Sturgess, 44, and her partner Charlie Rowley, 45, fell ill last Saturday.
"Pleased to confirm that the police officer who sought precautionary medical advice at Salisbury District Hospital in connection with the incident in Amesbury has been assessed & given the all clear", the department said.
British police officers guard a cordon outside the Amesbury Baptist Centre on Wednesday.
The March attack prompted the biggest Western expulsion of Russian diplomats since the Cold War as allies sided with Britain's view that Moscow was either responsible or had lost control of the nerve agent. From initial assessment it was thought that the two patients had fallen ill after using drugs from a potentially contaminatedbatch.
"At this stage, no-one else has presented with the same symptoms linked to this incident".
This comes just four months after former Russian double agent Sergei Skripal and his daughter, Yulia, were targeted and poisoned by Novichok that had been deposited on the door of Sergei Skripal's home in Salisbury, England.
Mr Rowley's residence, where the couple fell ill, also had a heavy operational presence.
The attack on the Skripals took place in March in the city of Salisbury.
Mr. Basu said that around 100 detectives from the Counter Terrorism Policing Network are now working on this investigation, alongside colleagues from Wiltshire Police.
Officials said there was only a "low risk" to the wider public, but urged anyone who had visited the affected sites to wash their clothes and wipe down personal items. Both are in critical condition Thursday after being found unresponsive in their home Saturday.
An operation into the poisoning of Mr Rowley and Ms Sturgess is expected to take months as police examine more than 1,300 hours of CCTV footage.
Regarding this latest incident, President Vladimir Putin's spokesman, Dmitry Peskov, told reporters that Russian Federation has "categorically denied and continues to categorically deny the possibility of any kind of involvement".
The Russian Embassy hit back, accusing the Government of trying to "muddy the waters" and 'frighten its own citizens'.
They were poisined with Novichok, a nerve agent developed by the former Soviet Union.
Amid fears the public could still be at risk, United Kingdom security minister Ben Wallace earlier confirmed the "working assumption" was the couple taken ill in Amesbury - around 12km from Salisbury - were not targeted victims, but encountered the substance accidentally.
The account gave another update early Saturday afternoon, reporting that Honeycutt's gunshot wound appeared to be self-inflicted. After his time with the Bruins, Honeycutt spent two seasons in the National Basketball Association with the Sacramento Kings.
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He said the package lacks workable solution and is a set of general commitments like the previous European Union statements. Washington has since told countries they must stop buying Iranian oil from November 4 or face financial measures.