Functions and Effects of Purple Medicinal Solution
Jan 28, 2021
Source: Cainiu Health
Dr. He Haochen
Introduction
Functions and Efficacy of Gentian Violet Solution:
1. Antiseptic and Disinfectant Action: Gentian violet solution effectively kills bacteria and disinfects; its antiseptic effect is well-established and causes no irritation to human tissues.
2. Treatment of Skin Ulcers: It is effective in managing skin ulcers.
3. Treatment of Minor Lip Ulcers: It may be used for superficial wound ulcers and skin infections.
Primary Therapeutic Effects
Antibacterial and anti-inflammatory action; treatment of skin ulcers; treatment of oral ulcers
Introduction
Gentian violet solution (also known as “purple medicine water”) is a 1–2% aqueous solution of gentian violet (crystal violet). It is a commonly used topical antiseptic and disinfectant for skin and mucous membranes. Due to its potent antibacterial activity, notable anti-inflammatory effects, and astringent properties, it is frequently applied clinically to superficial wounds, infections, ulcers, and tinea (fungal infections) affecting the skin and mucosa. So, what are the specific actions and therapeutic benefits of gentian violet solution? Below is a detailed explanation.
Actions and Therapeutic Effects of Gentian Violet Solution
1. Antibacterial and Disinfectant Action
Gentian violet solution effectively kills bacteria and disinfects. Its antimicrobial effect is well established and causes no irritation to human tissues. Moreover, upon application, it forms a protective film on the skin surface, which exerts an astringent effect. Topical application is indicated for traumatic injuries and infections of scars and mucosa, ulcers, minor burns, herpes labialis, ulcerative tonsillitis, oral thrush (candidiasis), candidal vaginitis, and vulvitis. A 1–2% aqueous or alcoholic solution applied topically to affected areas prevents microbial infection and reduces leakage of tissue fluid. It also combines with necrotic tissue to form a protective barrier, conferring astringent properties. When administered orally, it may treat enterobiasis (pinworm infection).
2. Treatment of Skin Ulcers
Gentian violet solution is highly effective in managing skin ulcers, superficial trauma, and epidermal wounds—common conditions that can be successfully treated with this agent, thereby promoting skin protection and healing.
3. Treatment of Minor Oral Ulcers
Gentian violet solution is non-irritating to tissues and forms a protective film upon contact with necrotic tissue, exerting an astringent effect. It is suitable for superficial ulcerative lesions and skin infections, including minor burns, herpes simplex, pharyngitis, oral thrush, and others.
Adverse Effects of Gentian Violet Solution
1. Worsening of Wounds
When using gentian violet solution, it is essential to recognize that it is appropriate only for superficial skin injuries. It should not be applied to deep wounds, as its pronounced astringent effect promotes rapid scab formation, trapping exudate beneath the surface scab and potentially exacerbating deep-seated suppuration and infection.
2. Allergic Reactions
Here, “allergy” refers not to reactions in individuals with pre-existing allergic constitutions, but rather to hypersensitivity induced by excessive dosage or overly concentrated solutions. Overuse in neonates may cause irritability, distress, insomnia, and cutaneous manifestations such as erythematous rashes and pruritus.
Precautions for Using Gentian Violet Solution
1. Gentian violet solution may irritate skin and mucous membranes and potentially induce contact dermatitis. Current research suggests crystal violet may possess carcinogenic potential; therefore, it must not be applied to extensive areas of skin damage nor used chronically.
2. Gentian violet solution is strictly for external use and must never be ingested.
3. It should not be used on suppurative wounds. Although gentian violet promotes surface drying and scab formation—giving the appearance of cleanliness—the underlying hard crust may conceal ongoing bacterial proliferation. Protected by the scab, pathogens may continue to spread deeper, worsening the condition.
4. Use with caution on facial ulcerative lesions, as it may cause skin discoloration.
5. Excessive dosage or high concentration may provoke allergic reactions; therefore, dosage must be carefully controlled.
6. Gentian violet solution should be used cautiously in neonates, as overdosage may lead to irritability, distress, insomnia, and cutaneous symptoms including erythematous rash and pruritus.
The above outlines the actions and therapeutic effects of gentian violet solution. It must be used strictly under medical supervision and in accordance with physicians’ instructions. Self-medication is strongly discouraged. We hope this information has been helpful to you.
