Fever in pregnancy

Hi all new member here. I'm currently 6 weeks pregnant and for a couple of days had lower back pain (like sciatica which I always get when I'm unwell for some reason) and a bit of a cold, but today I feel quite rubbish (achy, headache, tired, and feverish). I've been taking paracetamol which seems to help but just wondering if I should seek further advice even just from a pharmacy or just keep taking the paracetamol regularly and see how it goes? I've had colds in my other pregnancies before and just soldiered on but I stupidly googled fever in pregnancy and it says it can affect it, I've had an ectopic and miscarriage in the past so don't know if I'm being ott