It could be that you are pregnant and should take a home pregnancy test, but if you have a fever it is probably the flu. Only a doctor can diagnose your problem, but I'd say off hand that your body is giving you all the signals to slow down and you aren't listening! If you work hard and don't eat well or get proper rest or exercise and some "head space" to relax, then your immune system weakens and you are sitting duck for especially colds and flues. It's best to let the doctor diagnose your problem.
Exhaustion/fatigue Headache Nausea Incoherence Hallucination potentially
Headaches, Nausea
fatigue, paleness, nausea, feeling of exhaustion
only if it doesn't work
nausea, headaches and death
Diarrhea, dizziness and headaches and nausea.
Nausea, vomiting, diarrhea, headaches.
The known possible side effects include nausea, fatigue, diarrhoea and vomiting. Headaches are not listed.
Gases rise back in to your home that can cause headaches, flu like symptoms, nausea, body aches, etc. Children, the elderly and un healthy people are first notisbly affected by the bacterial gases and next comes the seemingly healthy people coming down with headaches, body aches etc.
Nausea, I've had a lot of that, and headaches.
Mostly signs of a period and pregnancy are similar but there are more signs to pregnancy. If you have your periods you'd experience: cramps, headaches, sometimes nausea and/or diarrhea, headaches, mood swings and when you are pregnant you'd experience: dizziness for some women, exhaustion, your abdomen feels hard like a ball as if blotted, and a need to pee more often than normal.
exhaustion, nausea, vomiting, cravings, enhanced smell and taste.