Squaric Acid Solution

Squaric acid solution is a topical formulation of squaric acid used primarily in dermatology for the treatment of allergic contact dermatitis and for patch testing to diagnose contact allergies. It is typically prepared as a dilute solution for safe application on the skin.

Indications

-Treatment of allergic contact dermatitis -Patch testing to diagnose contact allergies

Dosage

The concentration and application method of squaric acid solution depend on the specific condition being treated and the patient's response. It is usually applied in very dilute concentrations for patch testing and in slightly higher concentrations for therapeutic use.

Contra-Indications

-Hypersensitivity to squaric acid or any component of the solution -Active skin infections at the application site

Special Precautions

-Avoid contact with eyes, mucous membranes, and broken skin. -Use with caution in children, elderly patients, or individuals with sensitive skin. -Patch testing should be conducted under medical supervision to monitor for allergic reactions.

Side Effects

-Common side effects may include mild to moderate skin irritation, redness, itching, and a burning sensation at the application site. -Severe reactions such as blistering, ulceration, or worsening of dermatitis can occur, especially in hypersensitive individuals.

Drug Interactions

No significant drug interactions have been reported with squaric acid solution used in dermatological applications.