The phrase "advisory against" is correct and usable in written English.
It can be used when referring to a recommendation or warning not to engage in a particular action or behavior.
Example: "The government issued an advisory against traveling to the affected region due to safety concerns."
Alternatives: "warning against" or "caution against".
On May 23, the World Health Organization lifted its advisory against travel to Hong Kong.
The former hostages' transgression was to ignore a government advisory against traveling to Iraq.
But the State Department later issued its own advisory against nonessential travel to Mexico.
The agency's only remaining advisory against travel -- to Beijing -- is expected to be lifted in a few days.
The city runs weekly tests and often posts an advisory against swimming at a gatehouse, which is then routinely ignored by the Floating Heads, and other local swimmers.
The researchers have given their data to state health officials, who can decide whether to issue a public advisory against eating certain fish from these areas.
The foreign ministries of the UK and France also recently issued their own advisories against business investment in the region.
Despite the heavy contamination and government advisories against fishing, officials say that some residents continue to eat fish from the canal.
There have been security improvements in recent months, with hoteliers breathing a sigh of relief after Britain and France, two key source markets for tourists, lifted travel advisories against the coastal resort city of Mombasa.
Western embassies have issued travel advisories against excursions to Bahariya, especially after the Islamic State said in August that it had beheaded a young Croatian man seized not far from Cairo on the route to the western desert.
Visibly Oiled Birds [230 dead; 680 alive; 910 total] Visbily Oiled Sea Turtles [8 dead; 76 alive; 84 total] Visibly Oiled Mammals [3 dead; 1 alive; 4 total] June 24: Sludge Hits Pensacola Thick oily sludge washes ashore at Pensacola Beach as health advisories against swimming and fishing in the area were extended for 33 miles east of the Alabama/Florida border.
