People are being told not to disregard an itchy rash, with GPs successful England reporting a spike successful scabies - the highly infectious tegument infestation.
The information is caused by a mite which burrows nether the tegument to laic eggs and is dispersed done adjacent carnal contact, bedding and clothes.
It tin dispersed rapidly successful places wherever radical unrecorded intimately together, specified arsenic universities and attraction homes, the Royal College of GPs (RCGP) said.
However, "social stigma" prevented radical coming forward, it said.
Prof Kamila Hawthorne, RCGP chairwoman, said portion incidences remained infrequent, the fig of GP diagnoses was "above the five-year mean and rising, with the northbound of England seeing a spike successful cases".
"While not a superior condition, scabies tin beryllium precise itchy and irritating," she said.
"If not decently treated, it tin dispersed and summation a patient’s hazard of complications, specified arsenic secondary tegument infections oregon marque existing tegument conditions worse."
'Tiny reddish dots'
Some 3,689 cases were diagnosed successful hospitals successful England successful the twelvemonth to April – up from 2,128 the erstwhile year, according to NHS figures.
The BBC has heard from radical astatine 5 universities astir the country, who spoke of aggregate cases arising "out of nowhere" and full houses having scabies.
One pupil said BBC "tiny reddish dots" on his wrist had begun spreading.
"One of my housemates came retired to the location that she had scabies astatine the clip arsenic well. So past I was like, 'Okay, truthful bash I'," helium added.
Another pupil told america helium had been trying to get escaped of it for "two to 3 months". When we asked however helium thought helium had caught it helium said: "Probably a batch of sleeping together”.
Prof Hawthorne said: "We recognise that patients whitethorn beryllium apprehensive to question attraction fixed the societal stigma that surrounds the condition, but it is important that they don’t disregard their symptoms arsenic this could pb to them getting worse and risks transmitting the information to different people."
Everyone infected needs to beryllium treated astatine the aforesaid clip with a pick oregon lotion from the pharmacy, doctors say.
Patients are besides advised to lavation their bedding and apparel connected a precocious temperature.
Dr Alison George, a GP successful the northbound of England who works successful an exigency department, said galore students travel consecutive to A&E, but lone aft the illness has go worse.
"It tin beryllium truly nasty. It is past truly hard to dainty if you've got a truly ample country of the assemblage covered successful it."