Every month right before my period I fee

Take your temperature now, write down the time and how you took it, and plan tonight as a deliberately low-load evening instead of another day you push through — the decision tree at the bottom is how you tell the two apart.

First, the honest answer on "period flu"

There is a well-recognised set of symptoms in the days before a period, and a lot of people describe exactly what you describe — aching, chills, flat exhaustion. But there is no single illness called "period flu", and how you feel on one day cannot tell you which of the two you have. The two can also overlap: you can pick up what is going round your kids' school in the same week your period is due, and that is common enough to plan for rather than argue about.

What separates them is the pattern, not the feeling. Over two or three cycles, symptoms that land in the same pre-bleeding window every time point to the cycle; symptoms that arrive within hours along with a cough, sore throat or a measured temperature point to an illness you can pass on. And if this costs you a day every single month, that is worth a clinician appointment — not because something is necessarily wrong, but because a repeat that strong is exactly the thing worth being asked about.

1) What you tried vs a better alternative tonight

2) Tonight's home levers — about 20 minutes, all of it screenshot-able

1. Heat (3 min). Warm pack on your lower back or abdomen, wrapped in a cloth, warm rather than hot, 15–20 minutes then off. Never on numb skin, never asleep on it.
2. Drink and eat (5 min). Put warm tea or water where you are sitting — you will drink more if it is not in the kitchen. Then two things already in your kitchen: one carbohydrate and one protein (rice, noodles or soup, with an egg, yogurt or beans). Small and often beats one big meal you skip.
3. Light clothing, warm but ventilated room (1 min). If anyone in the house is running hot with a temperature, the room needs airing, not extra blankets.
4. Lower the load, don't wait for it (5 min). Cancel or hand over one thing. The highest-value one is tomorrow's school run.
5. Log it (1 min). Time, temperature, cough/throat yes-no, how you feel 1–10, cycle day. Three lines is enough.
6. Medicine (1 min). Follow your prescriber or the product's own label — I do not dose anything and I am not changing anything, including the ibuprofen on your shelf. Strengths differ between products and countries, so read the bottle in your hand; and if you have ever had a stomach ulcer or kidney disease, take blood thinners, or could be pregnant, ask a pharmacist before you decide.

3) Constraints — the avoid list

• Do not decide from the feeling. "It's just my period" and "it's just a flu" are both conclusions, not observations. The temperature reading is for the record, not the decision.
• Do not use the number as a green light. How you look and behave is the useful signal — not how high the reading was or how fast it came down.
• Do not add anything new: no new supplement, no "hormone balancing" powder, nothing bought online, nothing borrowed from a friend or the medicine cabinet.
• Do not stack products: no second painkiller on top, no two different brands with the same active ingredient, and never anyone else's tablets — not the kids', not the elder's.
• Do not hand the kids or the person nearby anything you have taken, and do not let the elder become the one who covers for you tomorrow. The whole point of the handover is that it is not you.
• Do not repeat the push-through test. A second crash by dinner tells you nothing except that you were flat.
• Do not send anyone to school, or share cups in the house, if you have a cough or a temperature — that is the part of this week that reaches other people.

4) Decision tree — screenshot this

1. Temperature now, written down with the time. Then again this evening and tomorrow morning. → step 2.
2. Any emergency sign in the red-flag list below? → yes: call your local emergency number now. no → step 3.
3. Cough, sore throat, runny nose, or a temperature above your own normal? → run the household plan: ventilate the rooms, hand over the school run, wash hands, tell the school if you are sending the kids in, and use a test you already own if you have one. Keep logging the cycle alongside it.
4. No cough, no throat, no temperature — aches and flatness sitting in the same pre-bleeding window as last cycle? → run the cycle plan in section 2 instead.
5. Both? → common, and harmless to plan for: do both, and let the log settle it by next cycle.
6. Not clearly improving by 3–4 days, or the same thing again next cycle? → clinician. That is an appointment, not a self-treatment.

5) Red flags — when to stop home care

Call your local emergency number now (or go to an emergency department if that is genuinely faster and you can leave safely):

• Pressure, tightness or heaviness in the middle of the chest, or pain spreading to your back, jaw or arm, especially with sweating or nausea
• Fast or hard breathing, or you cannot get a full sentence out
• Confusion, or feeling unlike yourself; fainting, or too weak to stand
• A headache that reaches its worst within seconds
• Red or purple spots that do not fade when you press a clear glass on them, with or without a temperature

Same-day clinician — do not wait for the weekend:

• You look quite ill, or the temperature keeps returning over several days with no sign of improvement
• A sore throat with real pain on swallowing, or a cough getting worse instead of better
• This pre-period crash several cycles running — book it, even though it is not urgent, because it is the appointment you have been putting off
• Bleeding so heavy you are changing a pad or tampon every hour or two, or so heavy you feel lightheaded, breathless or faint

The household bar is lower than yours — the person near you is the one to watch:

• If the person nearby is an older adult, or anyone with kidney or heart disease or several medicines: any new confusion, going off food, or not doing what they normally do is same-day — and do not wait for a temperature, because older people often do not run one.
• Anyone in the house with a temperature plus a stiff neck, a rash, or fast breathing → same day, no waiting.
• If the person nearby is getting worse while you are the one who is down, hand the watching to someone else tonight.

What success looks like in 24 hours

Not a cure — a better week than the last one:

• Three temperature readings on paper, with times
• One evening that did not cost you the whole day, and the handover message actually sent
• Two extra columns in your tracker, so next cycle is a decision instead of a guess
• One line sent to a clinician — that is the whole note you owe them

Scripts — screenshot and send

To the school-run partner or the person nearby:
> "The run is normally mine — I need to hand it over this week. Can you take Thursday morning and I'll take the evening, or the other way round? If I'm flat I won't be driving anyone."

To work:
> "Flagging early: I'm unwell this week. My period is due and I get wiped out for a few days before it, and there's something going round the school. I'm not asking you to weigh how serious it is — I'm telling you now so nothing depends on how I look at 4pm. [Day] is the day I will be least useful."

To the kids' school, if you have a cough or a temperature:
> "[Child] has [symptom] since [day and time], temperature [reading] at [time]. No emergency needed so far. Telling you now for your own records."

To the clinician:
> "Every cycle, about [n] days before my period starts, I get body aches, chills and a flat exhaustion that costs me the evening. It has been happening for [how many cycles] and lands in the same window each time. Two questions: is there anything that would make this cheaper, and what would you want to rule out?"

One thing I need, and my limits

One question: is the person nearby an older adult, or anyone with kidney or heart disease who takes several medicines? Their bar for "see someone today" is lower than yours, and I can make that part more specific.

What I cannot do: tell you which of the two you have this week, diagnose anything, or dose or change any medicine — the ibuprofen on the shelf is a follow-the-label or ask-a-pharmacist decision, and strengths differ between products and countries. None of the above is a diagnosis, and nothing in this page rules anything in or out — it is not a diagnosis and not a substitute for a clinician; it is a home-care routine plus a log, and a clinician is the right door for a pattern this strong.

Sources and coverage — no coverage on two points: my own library has no menstrual-cycle guidance page, so the cycle side is general care plus tracking rather than anything cycle-specific; and I could not open any of the earlier notes saved in your box this turn, so I cannot tell you what they say. The one retake that would settle it is naming which note to read, or quoting the line about your cycle, and I will fold it in. If you already have a clinician note about this, that supersedes my page. If you tell me your country or city at some point, I will point you at the right local options rather than guessing one.