Salicylic Acid
Salicylic Acid is a orthohydroxybenzoic acid. Salicylic Acid is obtained from the bark of the white willow and wintergreen leaves, and also prepared synthetically. It has bacteriostatic, fungicidal and keratolytic actions. It was chemically synthesied in 1860 and has been extensively used in dermatologic therapy as a keratolytic agent. It releives pain and reduces swelling. Salicylic Acid is effective to treat warts, skin ulcer, psoriasis and other skin conditions.
Primary Characteristics
It is of Synthetic origin and belongs to Benzoic Acid.
It belongs to Cyclo-oxygenase inhibitor pharmacological group on the basis of mechanism of action and also classified in Keratolytic Agent pharmacological group. It is also classified under Analgesics and Anti-inflammatory Agents .
Molecular Weight: 138.1 · pKa: 3.0, 13.4 · Solubility in Water: 1 in 550 · Solubility in Alcohol: 1 in 4 · Non-proprietary name: Salicylic Acid.

Pharmacokinetics
Elimination: it is metabolised via Hepatic, renal excretion is >95%.
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Indications
Salicylic Acid is primarily indicated in conditions like Acne vulgaris, Corns, Eczema, Ichthyosis, Psoriasis, Scaly skin conditions, Warts.
Contraindications
Salicylic Acid is contraindicated in conditions like Pregnancy, Lactation, Hypersensitivity to the drug.
Dosage
Salicylic Acid's dosage details are as follows:
| Dose | Single Dose | Frequency | Route | Instructions |
|---|---|---|---|---|
| Adult Dosage | ||||
| 3.25 % | 3.25 % | Every 12h | Topical | As Required |
| Paediatric Dosage (20kg) | ||||
| 3.25 % | 3.25 % | Every 12h | Topical | As Required |
| Neonatal Dosage (3kg) | ||||
| 3.25 % | 3.25 % | Every 12h | Topical | As Required |
Drug Interactions
Always consult your physician for the change of dose regimen or an alternative drug of choice that may strictly be required.
Side Effects
Salicylic Acid in overdosage may give rise to further complications which include Acidosis , Stupor , Urticaria , Anaphylactoid reactions , Coma , Respiratory depression , Excitement , Metabolic disturbances , Erythema multiforme.
Salicylic Acid produces potentially life-threatening effects which include Salicylate intoxication. Careful monitoring is needed with proper medical management.
Salicylic Acid is known to cause more or less tolerable side effects which are usually transient. These include Confusion, Fatigue, Fever, Inflammation, Irritation, Nausea, Salicylism , SweatingX, Thirst, Tinnitus.
Warnings / Precautions
Available Brands
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Single Ingredient
Storage Conditions
Drug Classification
- 1.13.5.2 — Others
- 2.28 — Otic drugs