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 Related Terms
• Acute
• Subacute
Definition: Chronic refers to how long a disease has been present, but there is no set time that divides chronic from the other time descriptions - acute and subacute. Chronic describes the longest time course - usually present for more than 6 months.

Pronunciation: KRON-ik • (adjective)

Related Resources:

Psoriasis is a chronic condition that causes patches of silvery scales on the skin.
Vitiligo is a chronic skin condition that causes lightening of the skin without any raised bumps.
Fungal Nail Infections
Onychomycosis is a chronic fungal nail infection that takes 6 to 18 months to treat with oral medication.

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