If you have concerns about your sexual health, you can talk to your GP. What services they can offer varies by area, but they will be able to signpost you to the correct service if they can't provide it themself.
If you are not yet registered with a GP in Southampton, it is a good idea to do so. On Highfield Campus there are 2 GP surgeries:
Location: Building 48 on the west side of the Highfield campus between the Hansard Gallery (Building 50) & Physics & Astronomy (Building 46).
Phone: (023) 8055 7531
Sexual health support available:
Phone: 8am to 8pm 7 days a week on 0300 300 2016
From the website:
Our specialist services include:
Psychosexual counselling (by GP referral only)
Our online services include:
Online help via the 'Need Help? button.
Phone: 0345 3 30 30 30
The LGBT Foundation is a charity and the sexual health section of their website has a lot of informative, non-judgemental guides to help you practice safer sex.
You can see the full list of services and advice they are able to offer here. Be aware that some services are only available in Manchester.
Location: 13 High Street, Southampton, SO14 2DF
Phone: 02380 224 224
No Limits is a charity that helps young people in Hampshire.
From the website:
Every Thursday we run a free sexual health clinic where a specialist sexual health nurse offers sexual health advice as well as all forms of contraception, including; pills, injections and implants, screening for STIs, treatments for STIs, Condoms and Pregnancy testing.
The sexual health clinic is open every Thursday from 12:30-4pm at our Advice Centre and is an appointment only clinic. Appointments can be made by phoning 02380224224, by emailing firstname.lastname@example.org or by speaking to a member of staff at the No Limits Advice Centre.