मुझे ज़ुकाम है।

Because in Hindi, many physical conditions and feelings are expressed with a structure that literally works more like To me, a cold is rather than I am a cold.

So:

• मुझे = to me
• ज़ुकाम = cold
• है = is

This pattern is very common in Hindi for things like:

• मुझे भूख है = I am hungry / I have hunger
• मुझे प्यास है = I am thirsty / I have thirst
• मुझे बुखार है = I have a fever

So मैं ज़ुकाम हूँ would sound wrong, because you are not saying I am a cold.

मुझे is a form of मैं that means to me or sometimes me, depending on context.

In this sentence, it marks the experiencer — the person affected by the condition.

A useful way to think about it:

• मैं = I
• मुझे = to me / me

So in मुझे ज़ुकाम है, Hindi treats you as the person to whom the cold exists.

You may also see:

• मुझको ज़ुकाम है

This means the same thing. मुझे is simply the more common everyday form.

Because है agrees with ज़ुकाम, not with मैं.

In this sentence, the grammatical subject is really ज़ुकाम. The structure is closer to:

• To me, a cold is.

Since ज़ुकाम is singular, you use है.

Compare:

• मैं छात्र हूँ = I am a student
  Here I am the subject, so हूँ is used.

But:

• मुझे ज़ुकाम है = I have a cold
  Here the condition ज़ुकाम is what exists, so है is used.

Yes, ज़ुकाम usually means a cold in the medical sense — the illness.

So:

• मुझे ज़ुकाम है = I have a cold

Be careful: English cold can mean either:

1. a low temperature
2. the illness

Hindi uses different words depending on the meaning. ज़ुकाम is specifically the illness.

You may also hear सर्दी used in everyday speech for a cold, especially in phrases like:

• मुझे सर्दी है = I have a cold

ज़ुकाम is generally treated as masculine.

In this sentence, that does not change much, because है is used for singular nouns regardless of gender.

But gender can matter in other contexts, for example with adjectives or past participles.

For basic use, just remember:

• ज़ुकाम है = singular, so है
• gender is not very visible here

A simple learner-friendly pronunciation is:

• zu-kaam

More precisely:

• ज़ु sounds like zu
• का is like kaa
• म is m

So approximately: zoo-KAAM, with the second syllable longer.

A few notes:

• ज़ is a z sound
• आ is a long aa sound
• The stress is not as strong as in English, but saying zu-KAAM is a reasonable approximation

That dot is called nuqta. It is used in Devanagari to represent sounds borrowed from Persian/Arabic and other languages.

So:

• ज = usually j
• ज़ = z

That means:

• ज़ुकाम is pronounced with a z sound

In modern writing, especially informal writing, some people may write जुकाम without the dot, but the intended pronunciation and meaning are usually still understood.

Yes. मुझे and मुझको are both correct here.

So both of these mean the same thing:

• मुझे ज़ुकाम है
• मुझको ज़ुकाम है

In everyday speech, मुझे is usually more common and a bit more natural in many situations.

Yes, Hindi word order is somewhat flexible, but मुझे ज़ुकाम है is the most neutral and natural order.

You might also hear:

• ज़ुकाम मुझे है

But that sounds marked or contrastive, as if emphasizing me.

For learners, the safest default is:

• मुझे ज़ुकाम है

That follows a very common Hindi pattern: [experiencer] + [condition/noun] + है

You usually put नहीं before है:

• मुझे ज़ुकाम नहीं है = I do not have a cold

That is the standard negative pattern.

Compare:

• मुझे बुखार है = I have a fever
• मुझे बुखार नहीं है = I do not have a fever

A simple yes/no question is:

• क्या मुझे ज़ुकाम है? = Do I have a cold?

If you are asking someone else, you would change मुझे:

• क्या तुम्हें ज़ुकाम है? = Do you have a cold?
• क्या आपको ज़ुकाम है? = Do you have a cold? (polite/formal)

Hindi often uses क्या at the beginning for yes/no questions.

It is neutral and perfectly normal.

• मुझे is standard and natural
• ज़ुकाम is a normal word for cold
• है is standard present tense

So मुझे ज़ुकाम है works well in everyday conversation, at the doctor, at home, or in writing.

A slightly more conversational alternative is:

• मुझे सर्दी है

Both are common, though exact usage can vary by region and speaker.

That mark is called the danda. It is the traditional Devanagari full stop.

So:

• । = period / full stop

In modern informal writing, especially online, people sometimes use a regular English period . instead. But । is the standard punctuation mark in Devanagari.

Yes — this is a very important pattern in Hindi. Many states, sensations, and conditions use it.

Examples:

• मुझे भूख है = I am hungry
• मुझे प्यास है = I am thirsty
• मुझे दर्द है = I am in pain / I have pain
• मुझे बुखार है = I have a fever
• मुझे डर है = I am afraid / I have fear

So मुझे ज़ुकाम है is part of a bigger Hindi pattern that is worth learning early.