У меня насморк, поэтому сегодня я останусь дома.

I have a runny nose, so today I will stay at home.

Breakdown of У меня насморк, поэтому сегодня я останусь дома.

• я: I
• дома: at home
• сегодня: today
• остаться: to stay
• насморк: the runny nose
• поэтому: so/therefore

Questions & Answers about У меня насморк, поэтому сегодня я останусь дома.

Why does Russian say У меня насморк instead of a verb like Я имею насморк?

Russian normally expresses many “I have + (illness/state)” ideas with the construction у + Genitive + (noun), literally at me (there is) a cold → I have a cold / I’ve got a runny nose.
Я имею… is generally not used for illnesses and sounds unnatural in everyday speech (it’s more “to possess” in a formal/abstract sense).

What case is меня in у меня, and why?

After the preposition у (meaning at/by/with), Russian uses the genitive case.
So я → меня is genitive: у меня = at me / I have.

Why is насморк in the nominative and not in some other case?

In this pattern (у меня + noun), the noun naming what you “have” is typically in the nominative because it’s like an implied there is sentence:
У меня (есть) насморк = I (have) a runny nose.
The verb есть is usually omitted in the present tense.

What exactly does насморк mean—“a cold” or “a runny nose”?

Насморк specifically means runny/stuffy nose (rhinitis)—the symptom.
A general “cold” as an illness is often простуда (informal) or more medical terms depending on context. This sentence is about having nasal symptoms, not necessarily the whole illness.

What does поэтому mean, and how is it different from потому что?

поэтому means therefore / so, and it introduces a result:
X, поэтому Y = X, therefore Y.
потому что means because, and it introduces a reason:
Y, потому что X = Y because X.
Same idea, different direction and connector.

Why is there a comma before поэтому?

Because поэтому links two clauses, and Russian typically separates them with a comma:
У меня насморк, поэтому сегодня я останусь дома.
That comma marks the boundary between the cause clause and the result clause.

What form is останусь—present or future, and what verb is it from?

останусь is future tense, 1st person singular, from the perfective verb остаться (to stay / to remain).
Perfective verbs don’t have a true present tense meaning; their “present” forms function as simple future:
я останусь = I will stay / I’ll remain.

Why use останусь (perfective) instead of буду оставаться (imperfective)?

я останусь дома focuses on the decision/result as a single whole: I’ll stay home (today).
буду оставаться дома sounds more like an ongoing repeated/extended process or emphasis on duration: I will be staying/continuing to stay at home (often in contexts like longer periods, instructions, or contrast).

Why is it дома and not в доме?

дома is an adverb meaning at home (home as a place/condition). It’s the usual choice for “stay home.”
в доме means in the house (building) and is used when you mean the physical building specifically (as opposed to “home” in the general sense).

Is the word order fixed? Could I drop я or move сегодня?

Word order is flexible. Common variants include:

• У меня насморк, поэтому я сегодня останусь дома.
• У меня насморк, поэтому останусь дома. (dropping я is fine; the verb ending already shows “I”)
• Сегодня у меня насморк, поэтому я останусь дома. (puts emphasis on “today”)
  Different orders shift emphasis, but the meaning stays essentially the same.