La dottoressa dice che non è grave; infatti pensa a una semplice allergia.

In Italian, it is very common to use the definite article before a profession or title when talking about a specific person.

So la dottoressa means the doctor / the female doctor.

A few comparisons:

• La dottoressa dice... = the doctor says...
• Dottoressa, posso entrare? = Doctor, may I come in?

In direct address, the article is often dropped. In an ordinary statement, the article is usually natural.

Yes. Dottoressa is the feminine form of dottore.

Italian nouns and titles often change form depending on gender:

• il dottore = the male doctor
• la dottoressa = the female doctor

In everyday Italian, dottoressa can also be used more broadly for a woman with a doctoral title, but in a medical sentence like this one, it clearly means female doctor.

Here che introduces a subordinate clause and means that:

• dice che non è grave = says that it is not serious

English often drops that, but Italian usually keeps che in this kind of sentence.

So while English can say both:

• The doctor says that it’s not serious
• The doctor says it’s not serious

Italian normally says:

• La dottoressa dice che non è grave

Because è is the verb essere in the third-person singular: is.

The accent is important because it distinguishes it from e, which means and.

• è = is
• e = and

So:

• non è grave = it is not serious
• pane e vino = bread and wine

Italian often leaves out subject pronouns when the subject is clear from the context or the verb form. This is called being a pro-drop language.

Here, the subject is clearly la dottoressa, so Italian does not need to repeat lei:

• La dottoressa dice che... infatti pensa...

The understood subject of pensa is still la dottoressa.

You could say lei pensa, but that would usually add emphasis or contrast, not just neutral information.

Because grave is an adjective here, not a noun.

After essere, Italian often uses an adjective directly:

• è grave = it is serious
• è semplice = it is simple
• è difficile = it is difficult

So non è grave literally means it is not serious.

You would only use an article if you were introducing a noun phrase, not just an adjective.

Also, grave in medical contexts usually means serious or severe, not grave in the English funeral sense.

Infatti means in fact, indeed, or as a matter of fact.

Here it introduces an explanation or confirmation of what came before:

• non è grave; infatti pensa a una semplice allergia

The idea is: it is not serious, and the reason is that the doctor thinks it is only a simple allergy.

A useful warning: infatti does not always match English actually. In many cases, infatti is closer to in fact or indeed.

Because pensare often takes the preposition a when it means to think about, to have in mind, or to suspect/consider something.

So:

• pensare a qualcosa = to think about something / to think of something

In this medical context, pensa a una semplice allergia means something like:

• she is thinking of a simple allergy
• she suspects a simple allergy
• she thinks it may be a simple allergy

This is more idiomatic in Italian than using pensare without a preposition.

Both forms exist, but a una is very normal and very common in modern Italian.

Italian sometimes adds d to certain prepositions before a vowel:

• a → ad
• e → ed

But in modern usage, this extra d is usually kept only in limited cases or for stylistic reasons. So:

• a una semplice allergia = perfectly natural
• ad una semplice allergia = also possible, but less necessary

Also note that a does not contract with una, so you do not get a single combined form.

Because adjective position in Italian can change the nuance.

With semplice before the noun:

• una semplice allergia

the meaning is more like:

• just a simple allergy
• only a minor/ordinary allergy

This is very natural here because the doctor is minimizing the seriousness of the problem.

If you put the adjective after the noun:

• un’allergia semplice

it sounds less natural in this context and more like a technical or descriptive classification.

So the position before the noun gives the right sense of mere or just.

The semicolon links two closely related clauses:

• La dottoressa dice che non è grave
• infatti pensa a una semplice allergia

It shows a stronger break than a comma, but a closer connection than a full stop.

The second clause explains or supports the first one, so the semicolon works well here.

In English, you might also see:

• a period
• a semicolon
• sometimes a comma, depending on style

In Italian, the semicolon is a neat way to show that the two ideas are connected but still separate.