I enlarged the uploaded image to 200% for visual inspection and focused on the tonsillar area, back teeth, tongue, and surrounding soft tissue.

Main finding: Could this be a tonsil stone?

Yes — the yellow/cream-colored rounded material beside the tonsillar area is compatible with a tonsil stone (tonsillolith), but the photograph alone cannot confirm it.

Tonsil stones commonly appear as white or yellow deposits lodged in tonsillar crypts and can be associated with bad breath, bad taste, throat irritation, cough, or the sensation that something is stuck in the throat.

100% visual assessment

Area 1 — Tonsillar region

• The visible yellowish/cream mass is the most important finding.
• Its location appears consistent with the region where a tonsil stone could become trapped.
• There is surrounding pink/red tissue that may indicate local irritation or inflammation.
• I don't see enough evidence in this photograph to call it a peritonsillar abscess.

Area 2 — Teeth

• The visible posterior teeth show some yellowish discoloration/deposits.
• This photograph does not provide enough coverage to diagnose the full condition of all teeth.
• A clinical dental examination is needed for cavities, calculus, periodontal pockets and bone support.

Area 3 — Tongue

• The tongue has a noticeable coating toward the posterior portion.
• Tongue coating can contribute to oral odor and bacterial accumulation.
• It can also coexist with tonsil stones.

What else could the yellow area be?

The differential includes:

1. Tonsil stone — possible/likely
2. Food debris trapped in a tonsillar crypt
3. Tonsillar inflammation with exudate
4. Less commonly, another lesion or abnormal tissue

A clinician can inspect the tonsil directly and determine whether the material is actually embedded in a tonsillar crypt. Tonsil stones can sometimes be diagnosed simply by oral/throat examination.

What should happen next?

Step 1 — Dental/oral examination

• Examine posterior teeth and gums.
• Check plaque/calculus.
• Check for cavities and periodontal disease.
• Clean the teeth professionally if indicated.

Step 2 — Tonsil examination
A dentist, physician or ENT specialist should inspect the suspected area.

Step 3 — Determine whether it is actually a stone
If confirmed as a tonsil stone, treatment may range from observation and oral hygiene to professional removal when symptomatic or recurrent.

Step 4 — Look for the underlying cause
Repeated tonsil stones can be associated with deeper tonsillar crypts and previous tonsil inflammation/infections.

If you give it 14 days

If this is a small uncomplicated tonsil stone, it may loosen or fall out by itself. Warm salt-water gargling and good oral hygiene can help; some stones require professional removal.

But 14 days should not be treated as a guaranteed healing period.

If the underlying problem is tonsillitis, a persistent lesion, or another infection, simply waiting 14 days could allow the problem to continue.

What could "scale up" if ignored?

Watch for:

Tonsil stone → persistent irritation → recurrent tonsil inflammation/infection → increasing discomfort, bad breath or swallowing problems.

More importantly, if the area is actually an infection rather than a stone, progression can be more serious. A peritonsillar abscess can cause severe one-sided throat pain, difficulty swallowing, difficulty opening the mouth, fever, swelling and a muffled voice.

Emergency warning: difficulty breathing, inability to swallow saliva, rapidly increasing throat/neck swelling, or severe worsening symptoms should be evaluated urgently rather than waiting 14 days.

My visual conclusion

Suspected tonsil stone: YES — plausible from the image.
Confirmed tonsil stone: NO — requires direct clinical examination.
Visible local irritation: POSSIBLE.
Definite tonsillitis: Cannot determine from this photograph.
Definite abscess: Not established from this image.

I would recommend having the suspected tonsil stone and the posterior teeth examined during the same visit, because both oral hygiene and tonsillar crypts can contribute to persistent bad breath.

For a suspected tonsil stone that keeps returning, an ENT (ear, nose and throat) evaluation may also be appropriate in addition to the dental examination.